WWW 2013 Companion Publication

Leslie Car, Alberto H. F. Laender, Bernadette F. Lóscio, Irwin King, Marcus Fontoura, Denny Vrandeèiæ, Lora Aroyo, José Palazzo M. de Oliveira, Fernanda Lima, Erik Wilde (editors), Companion Publication of the IW3C2 WWW 2013 Conference, May 13–17, 2013, Rio de Janeiro, Brazil. IW3C2 2013, ISBN 978-1-4503-2038-2.

Table of Contents

General Chairs' Welcome
Daniel Schwabe (PUC-Rio, Brazil)
Virgilio Almeida (UFMG, Brazil)
Hartmut Glaser (CGI.br)

Programme Chairs’ Welcome
Ricardo Baeza-Yates (Yahoo! Labs, Spain & Chile)
Sue Moon (KAIST, South Korea)

Message from the Chair of IW3C2: In the beached margent of the sea …
Mary Ellen Zurko (Cisco Systems)

WWW 2013 Companion Volume Chairs’ Welcome Message
Leslie Car and Alberto H. F. Laender (Workshops Chairs)
Bernadette F. Lóscio and Irwin King (Demos Track Chairs)
Marcus Fontoura and Denny Vrandeèiæ (Developers Track Chairs)
Lora Aroyo and José Palazzo M. de Oliveira (Doctoral Consortium Chairs)
Fernanda Lima and Erik Wilde (Posters Track Chairs)

WWW 2013 Organization Listing (Chairs, Committees, & Reviewers)

WWW 2013 Sponsors & Supporters

Developer's Track

The Linked Data Platform (LDP) (Page 1)
Arnaud J. Le Hors (IBM)
Steve Speicher (IBM)

Quill: A Collaborative Design Assistant for Cross Platform Web Application User Interfaces (Page 3)
Vivian Genaro Motti (Université catholique de Louvain)
Dave Raggett (W3C/ERCIM)

Linked Services Infrastructure: A Single Entry Point for Online Media Related to Any Linked Data Concept (Page 7)
Lyndon Nixon (STI International & Seekda GmbH)

ResourceSync: Leveraging Sitemaps for Resource Synchronization (Page 11)
Bernhard Haslhofer (Cornell University)
Simeon Warner (Cornell University)
Carl Lagoze (University of Michigan)
Martin Klein (Los Alamos National Laboratory)
Robert Sanderson (Los Alamos National Laboratory)
Michael L. Nelson (Old Dominion University)
Herbert Van de Sompel (Los Alamos National Laboratory)

Static Typing & JavaScript Libraries: Towards a More Considerate Relationship (Page 15)
Benjamin Canou (Université Pierre et Marie Curie)
Emmanuel Chailloux (Université Pierre et Marie Curie)
Vincent Botbol (Université Pierre et Marie Curie)

Client-Server Web Applications Widgets (Page 19)
Vincent Balat (Université Paris Diderot - Inria)

Effective Web Scraping with OXPath (Page 23)
Giovanni Grasso (Oxford University)
Tim Furche (Oxford University)
Christian Schallhart (Oxford University)

CSS Browser Selector Plus: A JavaScript Library to Support Cross-Browser Responsive Design (Page 27)
Richard Duchatsch Johansen (W3C Brasil / Eventials)
Talita C. Pagani Britto (MStech)
Cesar Augusto Cusin (Faculdade Paraíso do Ceará / W3C Brasil)

A Meteoroid on Steroids: Ranking Media Items Stemming from Multiple Social Networks (Page 31)
Thomas Steiner (Google Germany GmbH)

Creating 3rd Generation Web APIs with Hydra (Page 35)
Markus Lanthaler (Graz University of Technology)

Posters

Posters: Behavioral Analysis and Personalization

Scaling Matrix Factorization for Recommendation with Randomness (Page 39)
Lei Tang (@WalmartLabs)
Patrick Harrington (@WalmartLabs)

Link Prediction in Social Networks Based on Hypergraph (Page 41)
Dong Li (Harbin Institute of Technology)
Zhiming Xu (Harbin Institute of Technology)
Sheng Li (Harbin Institute of Technology)
Xin Sun (Harbin Institute of Technology)

Inferring Audience Partisanship for YouTube Videos (Page 43)
Ingmar Weber (Qatar Computing Research Institute)
Venkata Rama Kiran Garimella (Qatar Computing Research Institute)
Erik Borra (University of Amsterdam)

Cross-Region Collaborative Filtering for New Point-of-Interest Recommendation (Page 45)
Ning Zheng (Tsinghua University)
Xiaoming Jin (Tsinghua University)
Lianghao Li (Hong Kong University of Science and Technology)

Incorporating Author Preference in Sentiment Rating Prediction of Reviews (Page 47)
Subhabrata Mukherjee (IBM India Research Lab)
Gaurab Basu (IBM India Research Lab)
Sachindra Joshi (IBM India Research Lab)

Board Coherence in Pinterest: Non-visual Aspects of a Visual Site (Page 49)
Krishna Y. Kamath (Texas A&M University)
Ana-Maria Popescu (Research Consulting)
James Caverlee (Texas A&M University)

Fragmented Social Media: A Look into Selective Exposure to Political News (Page 51)
Jisun An (University of Cambridge)
Daniele Quercia (Yahoo! Research, Barcelona)
Jon Crowcroft (University of Cambridge)

Utility Discounting Explains Informational Website Traffic Patterns Before a Hurricane (Page 53)
Ben Priest (MIT Lincoln Laboratory)
Kevin Gold (MIT Linocln Laboratory)

Political Hashtag Hijacking in the U.S. (Page 55)
Asmelash Teka Hadgu (L3S Research Center)
Kiran Garimella (Qatar Computing Research Institute)
Ingmar Weber (Qatar Computing Research Institute)

Learning to Annotate Tweets with Crowd Wisdom (Page 57)
Wei Feng (Tsinghua University)
Jianyong Wang (Tsinghua University)

To Follow or Not to Follow: A Feature Evaluation (Page 59)
Yanan Zhu (Georgetown University)
Nazli Goharian (Georgetown University)

Topical Organization of User Comments and Application to Content Recommendation (Page 61)
Vidit Jain (Yahoo! Labs Bangalore)
Esther Galbrun (University of Helsinki)

History-Aware Critiquing-Based Conversational Recommendation (Page 63)
Yasser Salem (Queen's University Belfast)
Jun Hong (Queen's University Belfast)

An Effective General Framework for Localized Content Optimization (Page 65)
Yoshiyuki Inagaki (Yahoo! Labs.)
Jiang Bian (Microsoft Research)
Yi Chang (Yahoo! Labs.)

Unfolding Dynamics in a Social Network: Co-evolution Of Link Formation and User Interaction (Page 67)
Zhi Yang (Peking University)
Jilong Xue (Peking University)
Xiaohan Zhao (University of California, Santa Barbara)
Xiao Wang (Peking University & Renren Inc.)
Ben Y. Zhao (University of California, Santa Barbara)
Yafei Dai (Peking University)

Mining Emotions in Short Films: User Comments or Crowdsourcing? (Page 69)
Claudia Orellana-Rodriguez (L3S Research Center / University of Hannover)
Ernesto Diaz-Aviles (L3S Research Center / University of Hannover)
Wolfgang Nejdl (L3S Research Center / University of Hannover)

Offering Language Based Services on Social Media by Identifying User's Preferred Language(s) from Romanized Text (Page 71)
Mitesh M. Khapra (IBM Research India)
Salil Joshi (IBM Research India)
Ananthakrishnan Ramanathan (IBM Research India)
Karthik Visweswariah (IBM Research India)

Posters: Bridging Structured and Unstructured Data

Zero-cost Labelling with Web Feeds for Weblog Data Extraction (Page 73)
George Gkotsis (University of Warwick)
Karen Stepanyan (University of Warwick)
Alexandra I. Cristea (University of Warwick)
Mike S. Joy (University of Warwick)

On Using Inter-document Relations in Microblog Retrieval (Page 75)
Jesus A. Rodriguez Perez (University of Glasgow)
Yashar Moshfeghi (University of Glasgow)
Joemon M. Jose (University of Glasgow)

Towards Focused Knowledge Extraction: Query-Based Extraction of Structured Summaries (Page 77)
Besnik Fetahu (L3S Research Center, Leibniz University Hannover)
Bernardo Pereira Nunes (Pontifical Catholic University of Rio de Janeiro)
Stefan Dietze (L3S Research Center, Leibniz University Hannover)

Complexity and Algorithms for Composite Retrieval (Page 79)
Sihem Amer-Yahia (CNRS-LIG)
Francesco Bonchi (Yahoo! Research)
Carlos Castillo (Qatar Computing Research Institute)
Esteban Feuerstein (FCEyN - UBA)
Isabel Méndez-Díaz (FCEyN - UBA)
Paula Zabala (FCEyN - UBA)

RESLVE: Leveraging User Interest to Improve Entity Disambiguation on Short Text (Page 81)
Elizabeth L. Murnane (Cornell University)
Bernhard Haslhofer (Cornell University)
Carl Lagoze (University of Michigan)

A Hybrid Approach for Spotting, Disambiguating and Annotating Places in User-Generated Text (Page 83)
Karen Stepanyan (University of Warwick)
George Gkotsis (University of Warwick)
Vangelis Banos (Aristotle University of Thessaloniki)
Alexandra I. Cristea (University of Warwick)
Mike Joy (University of Warwick)

HIGGINS: Knowledge Acquisition Meets the Crowds (Page 85)
Sarath Kumar Kondreddi (Max Planck Institute for Informatics)
Peter Triantafillou (University of Patras)
Gerhard Weikum (Max Planck Institute for Informatics)

AELA: An Adaptive Entity Linking Approach (Page 87)
Bianca Pereira (National University of Ireland Galway)
Nitish Aggarwal (National University of Ireland Galway)
Paul Buitelaar (National University of Ireland Galway)

Posters: Content Analysis

Content Extraction Using Diverse Feature Sets (Page 89)
Matthew E. Peters (SEOmoz)
Dan Lecocq (SEOmoz)

Predicting Relevant News Events for Timeline Summaries (Page 91)
Giang Binh Tran (L3S Research Center)
Mohammad Alrifai (L3S Research Center)
Dat Quoc Nguyen (Vietnam National University, Hanoi)

Collective Matrix Factorization for Co-clustering (Page 93)
Mrinmaya Sachan (Carnegie Mellon University)
Shashank Srivastava (Carnegie Mellon University)

Walk and Learn: A Two-Stage Approach for Opinion Words and Opinion Targets Co-Extraction (Page 95)
Liheng Xu (Chinese Academy of Sciences)
Kang Liu (Chinese Academy of Sciences)
Siwei Lai (Chinese Academy of Sciences)
Yubo Chen (Chinese Academy of Sciences)
Jun Zhao (Chinese Academy of Sciences)

Discovery of Technical Expertise from Open Source Code Repositories (Page 97)
Rahul Venkataramani (International Institute of Information Technology)
Atul Gupta (Indian Institute of Information Technology, Design and Manufacturing)
Allahbaksh Asadullah (Infosys Labs)
Basavaraju Muddu (Infosys Labs)
Vasudev Bhat (Infosys Labs)

Power Dynamics in Spoken Interactions: A Case Study on 2012 Republican Primary Debates (Page 99)
Vinodkumar Prabhakaran (Columbia University)
Ajita John (Avaya Labs)
Dorée D. Seligmann (Avaya Labs)

A Non-Learning Approach to Spelling Correction in Web Queries (Page 101)
Jason Soo (Georgetown University)

Extracting Implicit Features in Online Customer Reviews for Opinion Mining (Page 103)
Yu Zhang (Zhejiang Sci-Tech University)
Weixiang Zhu (Zhejiang Sci-Tech University)

Co-training and Visualizing Sentiment Evolvement for Tweet Events (Page 105)
Shenghua Liu (Chinese Academy of Sciences)
Wenjun Zhu (Wuhan University of Technology)
Ning Xu (Wuhan University of Technology)
Fangtao Li (Google Inc.)
Xue-qi Cheng (Chinese Academy of Sciences)
Yue Liu (Chinese Academy of Sciences)
Yuanzhuo Wang (Chinese Academy of Sciences)

Cost-Effective Node Monitoring for Online Hot Event Detection in Sina Weibo Microblogging (Page 107)
Kai Chen (Shanghai Jiaotong University)
Yi Zhou (Shanghai Jiaotong University)
Hongyuan Zha (Georgia Institute of Technology)
Jianhua He (Aston University)
Pei Shen (Shanghai Jiaotong University)
Xiaokang Yang (Shanghai Jiaotong University)

Solving Electrical Networks to Incorporate Supervision in Random Walks (Page 109)
Mrinmaya Sachan (Carnegie Mellon University)
Dirk Hovy (Information Sciences Institute)
Eduard Hovy (Carnegie Mellon University)

Information Current in Twitter: Which Brings Hot Events to the World (Page 111)
Peilei Liu (National University of Defense Technology)
Jintao Tang (National University of Defense Technology)
Ting Wang (National University of Defense Technology)

Posters: Internet Monetization and Incentives

Traffic Quality Based Pricing in Paid Search Using Two-Stage Regression (Page 113)
Rouben Amirbekian (Microsoft Corporation)
Ye Chen (Microsoft Corporation)
Alan Lu (Microsoft Corporation)
Tak W. Yan (Microsoft Corporation)
Liangzhong Yin (Microsoft Corporation)

Dynamic Evaluation of Online Display Advertising with Randomized Experiments: An Aggregated Approach (Page 115)
Joel Barajas (University of California, Santa Cruz)
Ram Akella (University of California, Berkeley)
Marius Holtan (AOL Research)
Jaimie Kwon (AOL Research)
Aaron Flores (AOL Research)
Victor Andrei (AOL Research)

New Features for Query Dependent Sponsored Search Click Prediction (Page 117)
Ilya Trofimov (Yandex)

Modeling Click and Relevance Relationship for Sponsored Search (Page 119)
Wei Vivian Zhang (Microsoft Corporation)
Ye Chen (Microsoft Corporation)
Mitali Gupta (Microsoft Corporation)
Swaraj Sett (Microsoft Corporation)
Tak W. Yan (Microsoft Corporation)

Optimization of Ads Allocation in Sponsored Search (Page 121)
Alexey Chervonenkis (ICS RAS)
Anna Sorokina (Yandex LLC)
Valery A. Topinsky (Yandex LLC)

A Joint Optimization of Incrementality and Revenue to Satisfy both Advertiser and Publisher (Page 123)
Dmitry Pechyony (MediaMath Inc.)
Rosie Jones (MediaMath Inc.)
Xiaojing Li (MediaMath Inc.)

A Case-Based Analysis of the Effect of Offline Media on Online Conversion Actions (Page 125)
Damir Vandic (Erasmus University Rotterdam)
Didier Nibbering (Erasmus University Rotterdam)
Flavius Frasincar (Erasmus University Rotterdam)

Posters: Search Systems and Applications

An Error Driven Approach to Query Segmentation (Page 127)
Wei Zhang (Institute for Infocomm Research)
Yunbo Cao (Microsoft Research Asia)
Chin-Yew Lin (Microsoft Research Asia)
Jian Su (Institute for Infocomm Research)
Chew-Lim Tan (National University of Singapore)

Introducing Search Behavior into Browsing Based Models of Page's Importance (Page 129)
Maxim Zhukovskiy (Yandex)
Andrei Khropov (Yandex)
Gleb Gusev (Yandex)
Pavel Serdyukov (Yandex)

Learning to Shorten Query Sessions (Page 131)
Cristina Ioana Muntean (ISTI - CNR)
Franco Maria Nardini (ISTI - CNR)
Fabrizio Silvestri (ISTI - CNR)
Marcin Sydow (Polish Academy of Sciences and Polish-Japanese Institute of Information Technology)

The ACE Theorem for Querying the Web of Data (Page 133)
Jürgen Umbrich (Fujitsu (Ireland) Limited)
Claudio Gutierrez (DCC, Universidad de Chile)
Aidan Hogan (DERI Galway, NUI)
Marcel Karnstedt (DERI Galway, NUI)
Josiane Xavier Parreira (DERI Galway, NUI)

Towards Leveraging Closed Captions for News Retrieval (Page 135)
Roi Blanco (Yahoo! Research)
Gianmarco De Francisci Morales (Yahoo! Research)
Fabrizio Silvestri (Yahoo! Research, Barcelona & ISTI-CNR)

Searching the Deep Web Using Proactive Phrase Queries (Page 137)
Wensheng Wu (University of North Carolina at Charlotte)
Tingting Zhong (University of North Carolina at Charlotte)

Graded Relevance Ranking for Synonym Discovery (Page 139)
Andrew Yates (Georgetown University)
Nazli Goharian (Georgetown University)
Ophir Frieder (Georgetown University)

Ranking Method Specialized for Content Descriptions of Classical Music (Page 141)
Taku Kuribayashi (Kyoto University)
Yasuhito Asano (Kyoto University)
Masatoshi Yoshikawa (Kyoto University)

Towards a Development Process for Geospatial Information Retrieval and Search (Page 143)
Dirk Ahlers (Norwegian University of Science and Technology)

Searching for Interestingness in Wikipedia and Yahoo! Answers (Page 145)
Yelena Mejova (Yahoo! Research, Barcelona)
Ilaria Bordino (Yahoo! Research, Barcelona)
Mounia Lalmas (Yahoo! Research, Barcelona)
Aristides Gionis (Aalto University)

A Click Model for Time-Sensitive Queries (Page 147)
Seung Eun Lee (Daum Communications)
Dongug Kim (Daum Communications)

Intent Classification of Voice Queries on Mobile Devices (Page 149)
Subhabrata Mukherjee (IBM India Research Lab)
Ashish Verma (IBM India Research Lab)
Kenneth W. Church (IBM T.J. Watson Research Center)

Leveraging Geographical Metadata to Improve Search Over Social Media (Page 151)
Alexander Kotov (Emory University)
Yu Wang (Emory University)
Eugene Agichtein (Emory University)

Place Value: Word Position Shifts Vital to Search Dynamics (Page 153)
Rishiraj Saha Roy (Indian Institute of Technology Kharagpur)
Anusha Suresh (Indian Institute of Technology Kharagpur)
Niloy Ganguly (Indian Institute of Technology Kharagpur)
Monojit Choudhury (Microsoft Research India)

Posters: Security, Privacy, Trust, and Abuse

Synthetic Review Spamming and Defense (Page 155)
Alex Morales (University of California, Santa Barbara)
Huan Sun (University of California, Santa Barbara)
Xifeng Yan (University of California, Santa Barbara)

REDACT: A Framework for Sanitizing RDF Data (Page 157)
Jyothsna Rachapalli (The Universty of Texas at Dallas)
Vaibhav Khadilkar (The Universty of Texas at Dallas)
Murat Kantarcioglu (The Universty of Texas at Dallas)
Bhavani Thuraisingham (The Universty of Texas at Dallas)

Framework for Evaluation of Text Captchas (Page 159)
Achint Thomas (Yahoo! Inc.)
Kunal Punera (RelateIQ)
Lyndon Kennedy (Yahoo! Inc.)
Belle Tseng (Apple Inc.)
Yi Chang (Yahoo! Inc.)

A Probability-Based Trust Prediction Model Using Trust-Message Passing (Page 161)
Hyun-Kyo Oh (Hanyang University)
Jin-Woo Kim (Hanyang University)
Sang-Wook Kim (Hanyang University)
Kichun Lee (Hanyang University)

RepRank: Reputation in a Peer-to-Peer Online System (Page 163)
Zeqian Shen (eBay Research Labs)
Neel Sundaresan (eBay Research Labs)

The STAC (Security Toolbox: Attacks & Countermeasures) Ontology (Page 165)
Amelie Gyrard (Eurecom)
Christian Bonnet (Eurecom)
Karima Boudaoud (CNRS/UNSA)

Posters: Semantic Web

Modeling Uncertain Provenance and Provenance of Uncertainty in W3c Prov (Page 167)
Tom De Nies (Ghent University - iMinds)
Sam Coppens (Ghent University - iMinds)
Erik Mannens (Ghent University - iMinds)
Rik Van de Walle (Ghent University - iMinds)

Scalable Processing of Flexible Graph Pattern Queries on the Cloud (Page 169)
Padmashree Ravindra (North Carolina State University)
Kemafor Anyanwu (North Carolina State University)

Computing Semantic Relatedness from Human Navigational Paths on Wikipedia (Page 171)
Philipp Singer (Graz University of Technology)
Thomas Niebler (University of Würzburg)
Markus Strohmaier (Graz University of Technology)
Andreas Hotho (University of Würzburg)

Discovering Multilingual Concepts from Unaligned Web Documents by Exploring Associated Images (Page 173)
Xiaochen Zhang (Tsinghua University)
Xiaoming Jin (Tsinghua University)
Lianghao Li (Hong Kong University of Science and Technology)
Dou Shen (Baidu)

Fria: Fast and Robust Instance Alignment (Page 175)
Sanghoon Lee (POSTECH)
Jongwuk Lee (The Penn State University)
Seung-won Hwang (POSTECH)

Posters: Social Networks and Graph Analysis

Popularity Prediction in Microblogging Network: A Case Study on Sina Weibo (Page 177)
Peng Bao (Chinese Academy of Sciences)
Hua-Wei Shen (Chinese Academy of Sciences)
Junming Huang (Chinese Academy of Sciences)
Xue-Qi Cheng (Chinese Academy of Sciences)

The Power of Local Information in PageRank (Page 179)
Marco Bressan (INRIA-CNRS, Université Paris-Sud)
Enoch Peserico (Università di Padova)
Luca Pretto (Università di Padova)

Semantically Sampling in Heterogeneous Social Networks (Page 181)
Cheng-Lun Yang (National Taiwan University)
Perng-Hwa Kung (National Taiwan University)
Chun-An Chen (National Taiwan University)
Shou-De Lin (National Taiwan University)

Sampling Bias in User Attribute Estimation of OSNs (Page 183)
Hosung Park (Korea Advanced Institute of Science and Technology)
Sue Moon (Korea Advanced Institute of Science and Technology)

Link Recommendation for Promoting Information Diffusion in Social Networks (Page 185)
Dong Li (Harbin Institute of Technology)
Zhiming Xu (Harbin Institute of Technology)
Sheng Li (Harbin Institute of Technology)
Xin Sun (Harbin Institute of Technology)
Anika Gupta (Carnegie Mellon University)
Katia Sycara (Carnegie Mellon University)

Domain-sensitive Opinion Leader Mining from Online Review Communities (Page 187)
Qingliang Miao (Fujitsu R&D Center Co., LTD)
Shu Zhang (Fujitsu R&D Center Co., LTD)
Yao Meng (Fujitsu R&D Center Co., LTD)
Hao Yu (Fujitsu R&D Center Co., LTD)

Understanding Election Candidate Approval Ratings Using Social Media Data (Page 189)
Danish Contractor (IBM Research India)
Tanveer A. Faruquie (IBM Research India)

Extracting the Multilevel Communities Based on Network Structural and Nonstructural Information (Page 191)
Xin Liu (Tokyo Institute of Technology, CREST, JST & Wuhan University of Technology)
Tsuyoshi Murata (Tokyo Institute of Technology)
Ken Wakita (Tokyo Institute of Technology & CREST, JST)

Structural-Interaction Link Prediction in Microblogs (Page 193)
Jia Yantao (Chinese Academy of Sciences)
Wang Yuanzhuo (Chinese Academy of Sciences)
Li Jingyuan (Chinese Academy of Sciences)
Feng Kai (Chinese Academy of Sciences)
Cheng Xueqi (Chinese Academy of Sciences)
Li Jianchen (North China Electric Power University)

Fast Anomaly Detection Despite the Duplicates (Page 195)
Jay Yoon Lee (Carnegie Mellon University)
U Kang (Korea Advanced Institute of Technology)
Danai Koutra (Carnegie Mellon University)
Christos Faloutsos (Carnegie Mellon University)

Recommendation for Online Social Feeds by Exploiting User Response Behavior (Page 197)
Ping-Han Soh (National Taiwan University)
Yu-Chieh Lin (National Taiwan University)
Ming-Syan Chen (Academia Sinica)

Posters: User Interfaces, Human Factors, and Smart Devices

Lists as Coping Strategy for Information Overload on Twitter (Page 199)
Simon de la Rouviere (Stellenbosch University)
Kobus Ehlers (Stellenbosch University)

To Crop, Or Not to Crop: Compiling Online Media Galleries (Page 201)
Thomas Steiner (Google Germany GmbH)
Christopher Chedeau (Facebook, Inc.)

Unsupervised Approach to Generate Informative Structured Snippets for Job Search Engines (Page 203)
Nikita Spirin (University of Illinois at Urbana-Champaign)
Karrie Karahalios (University of Illinois at Urbana-Champaign)

Learning to Recommend with Multi-Faceted Trust in Social Networks (Page 205)
Lei Guo (Shandong University)
Jun Ma (Shandong University)
Zhumin Chen (Shandong University)

Hidden View Game: Designing Human Computation Games to Update Maps and Street Views (Page 207)
Jongin Lee (Korea Advanced Institute of Science and Technology)
John Kim (Korea Advanced Institute of Science and Technology)
KwanHong Lee (Redstar Ventures / POSTECH)

ASQ: Interactive Web Presentations for Hybrid MOOCs (Page 209)
Vasileios Triglianos (University of Lugano)
Cesare Pautasso (University of Lugano)

Posters: Web Engineering

QMapper: A Tool for SQL Optimization on Hive using Query Rewriting (Page 211)
Yingzhong Xu (University of Chinese Academy of Sciences & Wuhan University)
Songlin Hu (Chinese Academy of Sciences & Wuhan University)

Partitioning RDF Exploiting Workload Information (Page 213)
Rebeca Schroeder (Universidade Federal do Paraná)
Raqueline Penteado (Universidade Federal do Paraná)
Carmem S. Hara (Universidade Federal do Paraná)

Correlation Discovery in Web of Things (Page 215)
Lina Yao (The University of Adelaide)
Quan Z Sheng (The University of Adelaide)

The Atomic Web Browser (Page 217)
Cesare Pautasso (University of Lugano)
Masiar Babazadeh (University of Lugano)

XML Validation: Looking Backward - Strongly Typed and Flexible XML Processing are not Incompatible (Page 219)
Pierre Genevés (CNRS)
Nabil Layaïda (Inria)

Co-operative Content Adaptation Framework - Satisfying Consumer and Content Creator in Resource Constrained Browsing (Page 221)
Ayush Dubey (Cornell University)
Pradipta De (SUNY Korea)
Kuntal Dey (IBM Research India)
Sumit Mittal (IBM Research India)
Vikas Agarwal (IBM Research India)
Malolan Chetlur (IBM Research India)
Sougata Mukherjea (IBM Research India)

Posters: Web Mining

An Effective Class-Centroid-Based Dimension Reduction Method for Text Classification (Page 223)
Guansong Pang (Guangdong University of Foreign Studies)
Huidong Jin (CSIRO Mathematics, Informatics and Statistics)
Shengyi Jiang (Guangdong University of Foreign Studies)

Harnessing Web Page Directories for Large-Scale Classification of Tweets (Page 225)
Arkaitz Zubiaga (City University of New York)
Heng Ji (City University of New York)

Scalable K-Nearest Neighbor Graph Construction Based on Greedy Filtering (Page 227)
Youngki Park (Seoul National University)
Sungchan Park (Seoul National University)
Sang-goo Lee (Seoul National University)
Woosung Jung (Chungbuk National University)

Numeric Query Ranking Approach (Page 229)
Jie Wu (Shanghai Jiao Tong University)
Yi Liu (Microsoft Research Asia)
Ji-Rong Wen (Microsoft Research Asia)

Collaborative Filtering Meets Next Check-in Location Prediction (Page 231)
Defu Lian (University of Science and Technology of China)
Vincent W. Zheng (Advanced Digital Sciences Center)
Xing Xie (Microsoft Research Asia)

TCRec: Product Recommendation via Exploiting Social-Trust Network and Product Category Information (Page 233)
Yu Jiang (Chinese Academy of Sciences)
Jing Liu (Chinese Academy of Sciences)
Xi Zhang (Chinese Academy of Sciences)
Zechao Li (Chinese Academy of Sciences)
Hanqing Lu (Chinese Academy of Sciences)

Regional Analysis of User Interactions on Social Media in Times of Disaster (Page 235)
Takeshi Sakaki (The University of Tokyo)
Fujio Toriumi (The University of Tokyo)
Kosuke Shinoda (RIKEN)
Kazuhiro Kazama (Wakayama University)
Satoshi Kurihara (Osaka University)
Itsuki Noda (National Institute of Advanced Industrial Science and Technology)
Yutaka Matsuo (The University of Tokyo)

Improving Consensus Clustering of Texts using Interactive Feature Selection (Page 237)
Ricardo M. Marcacini (University of São Paulo)
Marcos A. Domingues (University of São Paulo)
Solange O. Rezende (University of São Paulo)

Demonstrations

Big Data & Web Applications Demonstrations

Live Migration of JavaScript Web Apps (Page 241)
James Lo (University of British Columbia)
Eric Wohlstadter (University of British Columbia)
Ali Mesbah (University of British Columbia)

Automated Exploration and Analysis of Ajax Web Applications with WebMole (Page 245)
Gabriel Le Breton (Université du Québec à Chicoutimi)
Fabien Maronnaud (Université du Québec à Chicoutimi)
Sylvain Hallé (Université du Québec à Chicoutimi)

Analyzing the Suitability of Web Applications for a Single-User to Multi-User Transformation (Page 249)
Matthias Heinrich (SAP AG)
Franz Lehmann (SAP AG)
Franz Josef Grüneberger (SAP AG)
Thomas Springer (Dresden University of Technology)
Martin Gaedke (Chemnitz University of Technology)

Crowdsourcing MapReduce: JSMapReduce (Page 253)
Philipp Langhans (University of Munich)
Christoph Wieser (University of Munich)
François Bry (University of Munich)

Large-Scale Social-Media Analytics on Stratosphere (Page 257)
Christoph Boden (TU Berlin)
Marcel Karnstedt (DERI, NUI Galway)
Miriam Fernandez (Knowledge Media Institute)
Volker Markl (TU Berlin)

Optimizing RDF(S) Queries on Cloud Platforms (Page 261)
HyeongSik Kim (North Carolina State University)
Padmashree Ravindra (North Carolina State University)
Kemafor Anyanwu (North Carolina State University)

TagVisor: Extending Web Pages with Interaction Events to Support Presentation in Digital Signage (Page 265)
Marcio dos Santos Galli (TelaSocial)
Eduardo Pezutti Beletato dos Santos (Araraquara Center University-UNIARA)

Complementary Assistance Mechanisms for End User Mashup Composition (Page 269)
Soudip Roy Chowdhury (University of Trento)
Olexiy Chudnovskyy (Chemnitz University of Technology)
Matthias Niederhausen (T-Systems MMS)
Stefan Pietschmann (T-Systems MMS & TU Dresden)
Paul Sharples (University of Bolton)
Florian Daniel (University of Trento)
Martin Gaedke (Chemnitz University of Technology)

Social Media, Crowdsourcing & Services Demonstrations

uTrack: Track Yourself! Monitoring Information on Online Social Media (Page 273)
Tiago Rodrigues (Universidade Federal de Minas Gerais)
Prateek Dewan (Indraprastha Institute of Information Technology, Delhi)
Ponnurangam Kumaraguru (Indraprastha Institute of Information Technology, Delhi)
Raquel Melo Minardi (Universidade Federal de Minas Gerais)
Virgílio Almeida (Universidade Federal de Minas Gerais)

DFT-Extractor: A System to Extract Domain-specific Faceted Taxonomies from Wikipedia (Page 277)
Bifan Wei (Xian Jiaotong University)
Jun Liu (Xian Jiaotong University)
Jian Ma (Xian Jiaotong University)
Qinghua Zheng (Xian Jiaotong University)
Wei Zhang (Amazon.com Inc)
Boqin Feng (Xian Jiaotong University)

Temporal Summarization of Event-Related Updates in Wikipedia (Page 281)
Mihai Georgescu (L3S Research Center / University of Hannover)
Dang Duc Pham (L3S Research Center / University of Hannover)
Nattiya Kanhabua (L3S Research Center / University of Hannover)
Sergej Zerr (L3S Research Center / University of Hannover)
Stefan Siersdorfer (L3S Research Center / University of Hannover)
Wolfgang Nejdl (L3S Research Center / University of Hannover)

Live Topic Generation from Event Streams (Page 285)
Vuk Milicic (EURECOM)
Giuseppe Rizzo (EURECOM)
José Luis Redondo García (EURECOM)
Raphaël Troncy (EURECOM)
Thomas Steiner (University Politècnica de Catalunya)

Serefind: A Social Networking Website for Classifieds (Page 289)
Pramod Verma (Serefind)

MASFA: Mass-Collaborative Faceted Search for Online Communities (Page 293)
Seth B. Cleveland (Texas State University)
Byron J. Gao (Texas State University)

ALFRED: Crowd Assisted Data Extraction (Page 297)
Valter Crescenzi (Università degli Studi Roma Tre)
Paolo Merialdo (Università degli Studi Roma Tre)
Disheng Qiu (Università degli Studi Roma Tre)

SHERLOCK: A System for Location-Based Services in Wireless Environments Using Semantics (Page 301)
Roberto Yus (University of Zaragoza)
Eduardo Mena (University of Zaragoza)
Sergio Ilarri (University of Zaragoza)
Arantza Illarramendi (Basque Country University)

Rich Media, Information Extraction, & Search Demonstrations

Tailored News in the Palm of Your HAND: A Multi-Perspective Transparent Approach to News Recommendation (Page 305)
Mozhgan Tavakolifard (Norwegian University of Science and Technology)
Jon Atle Gulla (Norwegian University of Science and Technology)
Kevin C. Almeroth (University of California, at Santa Barbara)
Jon Espen Ingvaldsen (Kantega AS.)
Gaute Nygreen (Telenor ASA, Research and Future Studies)
Erik Berg (Telenor ASA, Research and Future Studies)

Connected Media Experiences: Web Based Interactive Video Using Linked Data (Page 309)
Lyndon Nixon (STI International & Seekda GmbH)
Matthias Bauer (STI International)
Cristian Bara (Seekda GmbH)

Radialize: A Tool for Social Listening Experience on the Web Based on Radio Station Programs (Page 313)
Álvaro R. Pereira Jr. (Federal University of Ouro Preto)
Diego Dutra (Federal University of Ouro Preto)
Milton Stiilpen Jr. (Federal University of Ouro Preto)
Alex Amorim Dutra (Federal University of Ouro Preto)
Felipe Martins Melo (Federal University of Ouro Preto)
Paulo H. C. Mendonça (Federal University of Ouro Preto)
Ângelo Magno de Jesus (Federal University of Ouro Preto)
Kledilson Ferreira (Federal University of Ouro Preto)

FANS: Face Annotation by Searching Large-Scale Web Facial Images (Page 317)
Steven C. H. Hoi (Nanyang Technological University)
Dayong Wang (Nanyang Technological University)
I. Yeu Cheng (Nanyang Technological University)
Elmer Weijie Lin (Nanyang Technological University)
Jianke Zhu (Zhejiang University)
Ying He (Nanyang Technological University)
Chunyan Miao (Nanyang Technological University)

Search the Past with the Portuguese Web Archive (Page 321)
Daniel Gomes (Foundation for National Scientific Computing)
David Cruz (Foundation for National Scientific Computing)
João Miranda (Foundation for National Scientific Computing)
Miguel Costa (Foundation for National Scientific Computing)
Simão Fontes (Foundation for National Scientific Computing)

Inside YAGO2s: A Transparent Information Extraction Architecture (Page 325)
Joanna Biega (Max Planck Institute for Informatics)
Erdal Kuzey (Max Planck Institute for Informatics)
Fabian M. Suchanek (Max Planck Institute for Informatics)

SPARQL2NL -- Verbalizing SPARQL Queries (Page 329)
Axel-Cyrille Ngonga Ngomo (Universität Leipzig)
Lorenz Bühmann (Universität Leipzig)
Christina Unger (Bielefeld University)
Jens Lehmann (Universität Leipzig)
Daniel Gerber (Universität Leipzig)

G-Path: Flexible Path Pattern Query on Large Graphs (Page 333)
Yiyuan Bai (Tsinghua University)
Chaokun Wang (Tsinghua University)
Yuanchi Ning (Tsinghua University)
Hanzhao Wu (Tsinghua University)
Hao Wang (Tsinghua University)

Doctoral Consortium

Mockup Driven Web Development (Page 337)
Edward Benson (Massachusetts Institute of Technology)

Structured Summarization for News Events (Page 343)
Giang Binh Tran (L3S Research Center & University of Hannover)

Multimedia Information Retrieval on the Social Web (Page 349)
Teresa Bracamonte (University of Chile)

Effective Analysis, Characterization, and Detection of Malicious Web Pages (Page 355)
Birhanu Eshete (Fondazione Bruno Kessler)

Identifying, Understanding and Detecting Recurring, Harmful Behavior Patterns in Collaborative Wikipedia Editing - Doctoral Proposal - (Page 361)
Fabian Flöck (Karlsruhe Institute of Technology)

Ontology-based Feature Level Opinion Mining for Portuguese Reviews (Page 367)
Larissa A. de Freitas (PUCRS)
Renata Vieira (PUCRS)

A Machine-to-Machine Architecture to Merge Semantic Sensor Measurements (Page 371)
Amelie Gyrard (Eurecom)

Deep Web Entity Monitoring (Page 377)
Mohamamdreza Khelghati (University of Twente)
Djoerd Hiemstra (University of Twente)
Maurice van Keulen (University of Twente)

Context Mining and Integration into Predictive Web Analytics (Page 383)
Julia Kiseleva (Eindhoven University of Technology)

A Proximity-Based Fallback Model for Hybrid Web Recommender Systems (Page 389)
Jaeseok Myung (Seoul National University)

Analyzing Linguistic Structure of Web Search Queries (Page 395)
Rishiraj Saha Roy (Indian Institute of Technology Kharagpur)

Understanding and Analysing Microblogs (Page 401)
Pinar Yanardag Delul (Purdue University)

LILE'13 Workshop

LILE2013 Chairs' Welcome (Page 407)
Stefan Dietze (L3S Research Center)
Mathieu d'Aquin (The Open University)
Dragan Gasevic (Athabasca University)

LILE2013 Organization (Page 409)

LILE'13 Keynote Talk
Session Chair: Stefan Dietze (L3S Research Center)

Linking Data In and Outside a Scientific Publishing House (Page 411)
Sweitze Roffel (Elsevier B.V.)

LILE'13 Session 1
Session Chair: Stefan Dietze (L3S Research Center)

Exploring Student Predictive Model that Relies on Institutional Databases and Open Data Instead of Traditional Questionnaires (Page 413)
Farhana Sarker (University of Southampton)
Thanassis Tiropanis (University of Southampton)
Hugh C Davis (University of Southampton)

Towards Integration of Web Data into a Coherent Educational Data Graph (Page 419)
Davide Taibi (National Research Council of Italy)
Besnik Fetahu (L3S Research Center)
Stefan Dietze (L3S Research Center)

Finding Relevant Missing References in Learning Courses (Page 425)
Patrick Siehndel (L3S Research Center, Leibniz Universität Hannover)
Ricardo Kawase (L3S Research Center, Leibniz Universität Hannover)
Asmelash Teka Hadgu (L3S Research Center, Leibniz Universität Hannover)
Eelco Herder (L3S Research Center, Leibniz Universität Hannover)

LILE'13 Session 2
Session Chair: Stefan Dietze (L3S Research Center)

Interactive Learning Resources and Linked Data for Online Scientific Experimentation (Page 431)
Alexander Mikroyannidis (The Open University)
John Domingue (The Open University)

Learning from Quizzes Using Intelligent Learning Companions (Page 435)
Danica Damljanovic (Kuato Studios)
David Miller (Kuato Studios)
Daniel O'Sullivan (Kuato Studios)

Linked Data Selectors (Page 439)
Kai Michael Höver (Technische Universität Darmstadt)
Max Mühlhäuser (Technische Universität Darmstadt)

OpenScout: Harvesting Business and Management Learning Objects from the Web of Data (Page 445)
Ricardo Kawase (Leibniz University of Hannover, L3S)
Marco Fisichella (Leibniz University of Hannover, L3S)
Katja Niemann (Fraunhofer FIT)
Vassilis Pitsilis (NCSR DEMOKRITOS)
Aristides Vidalis (NCSR DEMOKRITOS)
Philipp Holtkamp (University of Jyväskyla)
Bernardo Nunes (Department of Informatics - PUC-Rio)

LiME'13 Workshop

First Worldwide Web Workshop on Linked Media (LiME 2013) Chairs' Welcome (Page 451)
Johan Oomen (Netherlands Institute for Sound and Vision)
Raphaël Troncy (EURECOM)
Vasileios Mezaris (CERTH-ITI)

First Worldwide Web Workshop on Linked Media (LiME 2013) (Page 453)

LiME'13 Keynote Talk

The Importance of Linked Media to the Future Web: LIME 2013 Keynote Talk - A Proposal for the Linked Media Research Agenda (Page 455)
Lyndon J. B. Nixon (STI International Consulting und Research GmbH)

LiME'13 Technical Presentations

Linking Inside a Video Collection - What and How to Measure? (Page 457)
Robin Aly (University of Twente)
Roeland J. F. Ordelman (University of Twente & Netherlands Institute for Sound and Vision)
Maria Eskevich (Dublin City University)
Gareth J. F. Jones (Dublin City University)
Shu Chen (Dublin City University)

Using Explicit Discourse Rules to Guide Video Enrichment (Page 461)
Michiel Hildebrand (Centrum voor Wiskunde en Informatica)
Lynda Hardman (Centrum voor Wiskunde en Informatica)

Second Screen Interaction: An Approach to Infer TV Watcher's Interest Using 3D Head Pose Estimation (Page 465)
Julien Leroy (UMONS)
François Rocca (UMONS)
Matei Mancas (UMONS)
Bernard Gosselin (UMONS)

Enriching Media Fragments with Named Entities for Video Classification (Page 469)
Yunjia Li (University of Southampton)
Giuseppe Rizzo (EURECOM)
José Luis Redondo García (EURECOM)
Raphaël Troncy (EURECOM)
Mike Wald (University of Southampton)
Gary Wills (University of Southampton)

LiME'13 Demonstrations

DataConf: Enriching Conference Publications with a Mobile Mashup Application (Page 477)
Lionel Médini (Université de Lyon)
Florian Bâcle (Université de Lyon)
Hoang Duy Tan Nguyen (Université de Lyon)

The Chrooma+ Approach to Enrich Video Content using HTML5 (Page 479)
Philipp Oehme (Chemnitz University of Technology)
Michael Krug (Chemnitz University of Technology)
Fabian Wiedemann (Chemnitz University of Technology)
Martin Gaedke (Chemnitz University of Technology)

Linking and Visualizing Television Heritage: The EUscreen Virtual Exhibitions and the Linked Open Data Pilot (Page 481)
Johan Oomen (Netherlands Institute for Sound and Vision)
Vassilis Tzouvaras (National Technical University of Athens)
Kati Hyyppä (Noterik Multimedia)

LSNA'13 Workshop

Large Scale Network Analysis -Workshop Chairs' Welcome Message (Page 485)
Qi He (IBM Almaden Research Center)
Yuanyuan Tian (IBM Almaden Research Center)
Hanghang Tong (IBM T.J. Watson Research Center)
John McPherson (IBM Almaden Research Center)
David Konopnicki (IBM Haifa Research Lab)
Jimeng Sun (IBM T.J. Watson Research Center)
Ana Paula Appel (IBM Brazil Research Lab)

Large Scale Network Analysis (LSNA) 2013 Workshop Organization (Page 487)

LSNA'13 Keynote Talks

Online Social Networks: Beyond Popularity (Page 489)
Ricardo Baeza-Yates (Yahoo! Labs)
Diego Saez-Trumper (Universitat Pompeu Fabra)

Aggregating Information from the Crowd and the Network (Page 491)
Anirban Dasgupta (Yahoo! Labs)

The Social Meanings of Social Networks: Integrating SNA and Ethnography of Social Networking (Page 493)
Rogério de Paula (IBM Research - Brazil)

Detecting Malware with Graph-Based Methods: Traffic Classification, Botnets, and Facebook Scams (Page 495)
Michalis Faloutsos (University of New Mexico)

Mining and Analyzing the Enterprise Knowledge Graph (Page 497)
Ido Guy (IBM Research - Haifa)

Scaling Graph Computations at Facebook (Page 499)
Johan Ugander (Cornell University)

LSNA'13 Technical Presentations

Towards Highly Scalable Pregel-based Graph Processing Platform with X10 (Page 501)
Nguyen Thien Bao (Tokyo Institute of Technology / JST CREST)
Toyotaro Suzumura (Tokyo Institute of Technology / IBM Tokyo Research / JST CREST)

A First View of Exedra: A Domain-Specific Language for Large Graph Analytics Workflows (Page 509)
Miyuru Dayarathna (Tokyo Institute of Technology)
Toyotaro Suzumura (Tokyo Institute of Technology/IBM Research - Tokyo)

Analysis of Large Scale Climate Data: How Well Climate Change Models and Data from Real Sensor Networks Agree? (Page 517)
Santiago A. Nunes (University of São Paulo)
Luciana A. S. Romani (Embrapa Agriculture Informatics)
Ana M. H. Avila (State University of Campinas)
Priscila P. Coltri (University of Campinas)
Caetano Traina Jr. (University of São Paulo)
Robson L. F. Cordeiro (University of São Paulo)
Elaine P. M. de Sousa (University of São Paulo)
Agma J. M. Traina (University of São Paulo)

Model of Complex Networks Based on Citation Dynamics (Page 527)
Lovro Šubelj (University of Ljubljana)
Marko Bajec (University of Ljubljana)

How Social Network is Evolving? - A Preliminary Study on Billion-Scale Twitter Network (Page 531)
Masaru Watanabe (Tokyo Institute of Technology / JST CREST)
Toyotaro Suzumura (Tokyo Institute of Technology / IBM Research Tokyo / JST CREST)

MABSDA'13 Workshop

WWW MABSDA Workshop Chairs' Welcome (Page 535)
Erik Cambria (National University of Singapore)
Yunqing Xia (Tsinghua University)
Newton Howard (Massachusetts Institute of Technology)

2013 MABSDA Workshop Organization (Page 537)

MABSDA'13 Technical Presentations

The Web as a Laboratory (Page 539)
Bebo White (Stanford University)

Like Prediction: Modeling Like Counts by Bridging Facebook Pages with Linked Data (Page 541)
Shohei Ohsawa (University of Tokyo)
Yutaka Matsuo (University of Tokyo)

Tower of Babel: A Crowdsourcing Game Building Sentiment Lexicons for Resource-scarce Languages (Page 549)
Yoonsung Hong (Korea Advanced Institute of Science and Technology)
Haewoon Kwak (Telefónica Research)
Youngmin Baek (Yonsei University)
Sue Moon (Korea Advanced Institute of Science and Technology)

Rule-based Opinion Target and Aspect Extraction to Acquire Affective Knowledge (Page 557)
Stefan Gindl (MODUL University Vienna)
Albert Weichselbraun (University of Applied Sciences Chur)
Arno Scharl (MODUL University Vienna)

A Graph-Based Approach to Commonsense Concept Extraction and Semantic Similarity Detection (Page 565)
Dheeraj Rajagopal (National University of Singapore)
Erik Cambria (National University of Singapore)
Daniel Olsher (National University of Singapore)
Kenneth Kwok (National University of Singapore)

Spanish Knowledge Base Generation for Polarity Classification from Masses (Page 571)
Arturo Montejo-Ráez (University of Jaén)
Manuel C. Díaz-Galiano (University of Jaén)
José M. Perea-Ortega (University of Jaén)
L. Alfonso Ureña-López (University of Jaén)

Revised Mutual Information Approach for German Text Sentiment Classification (Page 579)
Farag Saad (GESIS - Leibniz Institute for the Social Sciences)
Brigitte Mathiak (GESIS - Leibniz Institute for the Social Sciences)

MSM'13 Workshop

#MSM2013 Workshop Chairs' Welcome (Page 587)
Matthew Rowe (University of Lancaster)
Milan Stankovic (Université Paris-Sorbonne)
Aba-Sah Dadzie (University of Sheffield)

#MSM2013 Workshop Organization (Page 589)

MSM'13 Keynote Talk
Session Chair: Aba-Sah Dadzie (University of Sheffield)

Urban*: Crowdsourcing for the Good of London (Page 591)
Daniele Quercia (Yahoo! Research, Barcelona)

MSM'13 Machine Learning & Statistical Analysis
Session Chair: Aba-Sah Dadzie (University of Sheffield)

Using Topic Models for Twitter Hashtag Recommendation (Page 593)
Fréderic Godin (Ghent University - iMinds)
Viktor Slavkovikj (Ghent University - iMinds)
Wesley De Neve (Ghent University - iMinds & KAIST)
Benjamin Schrauwen (Ghent University)
Rik Van de Walle (Ghent University - iMinds)

FS-NER: A Lightweight Filter-Stream Approach to Named Entity Recognition on Twitter Data (Page 597)
Diego Marinho de Oliveira (Universidade Federal de Minas Gerais)
Alberto H. F. Laender (Universidade Federal de Minas Gerais)
Adriano Veloso (Universidade Federal de Minas Gerais)
Altigran S. da Silva (Universidade Federal do Amazonas)

MSM'13 Trend & Topic Detection in Microposts
Session Chair: Aba-Sah Dadzie (The University of Sheffield)

Nerding Out on Twitter: Fun, Patriotism and #Curiosity (Page 605)
Victoria Uren (Aston University)
Aba-Sah Dadzie (The University of Sheffield)

ET: Events from Tweets (Page 613)
Ruchi Parikh (International Institute of Information Technology)
Kamalakar Karlapalem (International Institute of Information Technology)

MSM'13 Filtering & Classification of Microposts
Session Chair: Aba-Sah Dadzie (University of Sheffield)

Meaning as Collective Use: Predicting Semantic Hashtag Categories on Twitter (Page 621)
Lisa Posch (Graz University of Technology)
Claudia Wagner (JOANNEUM RESEARCH)
Philipp Singer (Graz University of Technology)
Markus Strohmaier (Graz University of Technology)

Towards Linking Buyers and Sellers: Detecting Commercial Intent on Twitter (Page 629)
Bernd Hollerit (Graz University of Technology)
Mark Kröll (Graz University of Technology)
Markus Strohmaier (Graz University of Technology)

MSM'13 Posters & Demonstrations
Session Chair: Aba-Sah Dadzie (University of Sheffield)

MicroFilter: Real Time Filtering of Microblogging Content (Page 633)
Ryadh Dahimene (CEDRIC Laboratory - CNAM)
Cédric du Mouza (CEDRIC Laboratory - CNAM)

Some Clues on Irony Detection in Tweets (Page 635)
Aline A. Vanin (Pontifícia Universidade Católica do Rio Grande do Sul)
Larissa A. de Freitas (Pontifícia Universidade Católica do Rio Grande do Sul)
Renata Vieira (Pontifícia Universidade Católica do Rio Grande do Sul)
Marco N. Bochernitsan (Pontifícia Universidade Católica do Rio Grande do Sul)

MSND'13 Workshop

Mining Social Networks Dynamics 2013 Workshop Chairs' Welcome and Preface (Page 637)
Hakim Hacid (Bell Labs, France)
Shengbo Guo (Samsung Research)
Athena Vakali (Aristotle University)

Mining Social Networks Dynamics 2013 Workshop Organization (Page 639)

MSND'13 Technical Presentations

Detection of Spam Tipping Behaviour on Foursquare (Page 641)
Anupama Aggarwal (Indraprastha Institute of Information Technology)
Jussara Almeida (UFMG)
Ponnurangam Kumaraguru (Indraprastha Institute of Information Technology)

The Role of Research Leaders on the Evolution of Scientific Communities (Page 649)
Bruno Leite Alves (Universidade Federal de Minas Gerais)
Fabrício Benevenuto (Universidade Federal de Minas Gerais)
Alberto H. F. Laender (Universidade Federal de Minas Gerais)

Analyzing and Predicting Viral Tweets (Page 657)
Maximilian Jenders (Hasso Plattner Institute)
Gjergji Kasneci (Hasso Plattner Institute)
Felix Naumann (Hasso Plattner Institute)

Resolving Homonymy with Correlation Clustering in Scholarly Digital Libraries (Page 665)
Jeongin Ju (Korea Advanced Institute of Science and Technology)
Hosung Park (Korea Advanced Institute of Science and Technology)
Sue Moon (Korea Advanced Institute of Science and Technology)

Examining Lists on Twitter to Uncover Relationships Between Following, Membership and Subscription (Page 673)
Srikar Velichety (University of Arizona)
Sudha Ram (University of Arizona)

PHDA'13 Workshop

Workshop Chairs' Welcome (Page 677)
Patty Kostkova (University College London)
Daniela Paolotti (ISI Foundation)
John Brownstein (Harvard Medical School)

Organization (Page 679)

PHDA'13 Technical Presentations

A Proposal for Automatic Diagnosis of Malaria (Page 681)
Allisson D. Oliveira (University Federal Rural of Pernambuco)
Giordano Cabral (University Federal Rural of Pernambuco)
D. López (University Federal Rural of Pernambuco)
Caetano Firmo (University Federal Rural of Pernambuco)
F. Zarzuela Serrat (Institut Català de la Salut)
J. Albuquerque (University Federal Rural of Pernambuco)

Vaccine Attitude Surveillance Using Semantic Analysis: Constructing a Semantically Annotated Corpus (Page 683)
Stephanie Brien (McGill University)
Nona Naderi (McGill University)
Arash Shaban-Nejad (McGill University)
Luke Mondor (McGill University)
Doerthe Kroemker (McGill University)
David L. Buckeridge (McGill University)

A Roadmap to Integrated Digital Public Health Surveillance: The Vision and the Challenges (Page 687)
Patty Kostkova (University College London)

Participatory Disease Surveillance in Latin America (Page 695)
Michael Johansson (CDC Dengue Branch)
Oktawia Wojcik (Children's Hospital Boston)
Rumi Chunara (Children's Hospital Boston)
Mark Smolinski (Skoll Global Threats Fund)
John Brownstein (Children's Hospital Boston)

Crowdsourced Risk Factors of Influenza-Like-Illness in Mexico (Page 697)
Natalia Barbara Mantilla-Beniers (Universidad Nacional Autonoma de Mexico)
Rocio Rodriguez-Ramirez (Intellego Business Intelligence)
Christopher Rhodes Stephens (Universidad Nacional Autonoma de Mexico)

Validating Models for Disease Detection Using Twitter (Page 699)
Todd Bodnar (The Pennsylvania State University)
Marcel Salathé (The Pennsylvania State University)

Combining Twitter and Media Reports on Public Health Events in MedISys (Page 703)
Erik van der Goot (Joint Research Centre of the European Commission)
Hristo Tanev (Joint Research Centre of the European Commission)
Jens P. Linge (Joint Research Centre of the European Commission)

PSOM'13 Workshop

Chairs' Welcome (Page 719)
Ponnurangam Kumaraguru (IIIT Delhi)
Virgilio Almeida (UFMG)

Organization (Page 721)

PSOM'13 Technical Presentations

Preserving User Privacy from Third-Party Applications in Online Social Networks (Page 723)
Yuan Cheng (University of Texas at San Antonio)
Jaehong Park (University of Texas at San Antonio)
Ravi Sandhu (University of Texas at San Antonio)

Faking Sandy: Characterizing and Identifying Fake Images on Twitter During Hurricane Sandy (Page 729)
Aditi Gupta (Indraprastha Institute of Information Technology)
Hemank Lamba (IBM Research Labs, Delhi)
Ponnurangam Kumaraguru (Indraprastha Institute of Information Technology)
Anupam Joshi (University of Maryland Baltimore County)

A Pilot Study of Cyber Security and Privacy Related Behavior and Personality Traits (Page 737)
Tzipora Halevi (Polytechnic Institute of New York University)
James Lewis (Polytechnic Institute of New York University)
Nasir Memon (Polytechnic Institute of New York University)

Twitter (R)evolution: Privacy, Free Speech and Disclosure (Page 745)
Lilian Edwards (University of Strathclyde)
Andrea Matwyshyn (University of Pennsylvania)

How to Hack into Facebook without Being a Hacker (Page 751)
Tarun Parwani (Rutgers University)
Ramin Kholoussi (Rutgers University)
Panagiotis Karras (Rutgers University)

A Cross-Cultural Framework for Protecting User Privacy in Online Social Media (Page 755)
Blase Ur (Carnegie Mellon University)
Yang Wang (Syracuse University)

Privacy Nudges for Social Media: An Exploratory Facebook Study (Page 763)
Yang Wang (Syracuse University)
Pedro Giovanni Leon (Carnegie Mellon University)
Kevin Scott (Carnegie Mellon University)
Xiaoxuan Chen (University of Pittsburgh)
Alessandro Acquisti (Carnegie Mellon University)
Lorrie Faith Cranor (Carnegie Mellon University)

RAMSS'13 Workshop

RAMSS'13 Workshop Chairs' Welcome (Page 771)
Arkaitz Zubiaga (City University of New York)
Damiano Spina (Universidad Nacional de Educación a Distancia)
Maarten de Rijke (University of Amsterdam)
Markus Strohmaier (Graz University of Technology)

RAMSS 2013 Workshop Organization (Page 773)

RAMSS'13 Keynote Talks

Real-Time User Modeling and Prediction: Examples from YouTube (Page 775)
Ramesh R. Sarukkai (YouTube/Google Inc.)

SAMOA: A Platform for Mining Big Data Streams (Page 777)
Gianmarco De Francisci Morales (Yahoo! Research)

RAMSS'13 Session 1

Towards Real-Time Collaborative Filtering for Big Fast Data (Page 779)
Ernesto Diaz-Aviles (University of Hannover)
Wolfgang Nejdl (University of Hannover)
Lucas Drumond (University of Hildesheim)
Lars Schmidt-Thieme (University of Hildesheim)

Detecting Real-Time Burst Topics in Microblog Streams: How Sentiment can Help (Page 781)
Lumin Zhang (National University of Defense Technology)
Yan Jia (National University of Defense Technology)
Bin Zhou (National University of Defense Technology)
Yi Han (Peking University & National University of Defense Technology)

Sub-Event Detection During Natural Hazards Using Features of Social Media Data (Page 783)
Dhekar Abhik (Indian Institute of Technology Roorkee)
Durga Toshniwal (Indian Institute of Technology Roorkee)

RAMSS'13 Session 2

MediaFinder: Collect, Enrich and Visualize Media Memes Shared by the Crowd (Page 789)
Raphaël Troncy (EURECOM)
Vuk Milicic (EURECOM)
Giuseppe Rizzo (EURECOM)
José Luis Redondo García (EURECOM)

MJ no more: Using Concurrent Wikipedia Edit Spikes with Social Network Plausibility Checks for Breaking News Detection (Page 791)
Thomas Steiner (Google Germany GmbH)
Seth van Hooland (Université Libre de Bruxelles)
Ed Summers (Library of Congress)

Real Time Discussion Retrieval from Twitter (Page 795)
Dmitrijs Milajevs (University of Groningen)
Gosse Bouma (University of Groningen)

SIMPLEX'13 Workshop

SIMPLEX 2013 Chairs' Welcome Message (Page 801)
Abedelaziz Mohaisen (Verisign Labs)
Stefano Ferretti (Universita di Bologna)
Fabricio Benevenuto (Federal University of Minas Gerais)

SIMPLEX'13 Workshop Organization (Page 803)

SIMPLEX'13 Technical Session 1
Session Chair: Nishanth Sastry (King's College London)

Characterizing Branching Processes from Sampled Data (Page 805)
Fabricio Murai (University of Massachusetts)
Bruno Ribeiro (University of Massachusetts)
Donald Towsley (University of Massachusetts)
Krista Gile (University of Massachusetts)

Resilience of Dynamic Overlays through Local Interactions (Page 813)
Stefano Ferretti (University of Bologna)

Fast Centrality-Driven Diffusion in Dynamic Networks (Page 821)
Abraão Guimarães (Universidade Federal de Juiz de For a)
Alex B. Vieira (Universidade Federal de Juiz de For a)
Ana Paula C. Silva (Universidade Federal de Minas Gerais)
Artur Ziviani (National Laboratory for Scientific Computing (LNCC))

Unveiling Zeus: Automated Classification of Malware Samples (Page 829)
Abedelaziz Mohaisen (Verisign Labs)
Omar Alrawi (Verisign Inc)

SIMPLEX'13 Technical Session 2
Session Chair: Fabricio Benevenuto (Universidade Federal de Minas Gerais)

Using Link Semantics to Recommend Collaborations in Academic Social Networks (Page 833)
Michele A. Brandão (Universidade Federal de Minas Gerais)
Mirella M. Moro (Universidade Federal de Minas Gerais)
Giseli Rabello Lopes (Pontifícia Universidade Católica do Rio de Janeiro)
José P. M. Oliveira (Universidade Federal do Rio Grande do Sul)

Addressing the Privacy Management Crisis in Online Social Networks (Page 841)
Krishna P. Gummadi (Max Planck Institute for Software Systems)

SNOW'13 Workshop

SNOW Chairs' Welcome (Page 843)
Gianmarco De Francisci Morales (Yahoo! Research)
Aristides Gionis (Aalto University)
Fabrizio Silvestri (ISTI-CNR)

SNOW 2013 Workshop Organization (Page 845)

SNOW'13 Opening
Session Chair: Fabrizio Silvestri (ISTI-CNR)

Social Media, Journalism and the Public (Page 847)
Steve Schifferes (City University, London)

Weaving a Safe Web of News (Page 849)
Kanak Biscuitwala (Stanford University)
Willem Bult (Stanford University)
Mathias Lécuyer (Columbia University)
T. J. Purtell (Stanford University)
Madeline K. B. Ross (Columbia University)
Augustin Chaintreau (Columbia University)
Chris Haseman (Tumblr, Inc.)
Monica S. Lam (Stanford University)
Susan E. McGregor (Columbia University)

SNOW'13 Breaking the News
Session Chair: Gianmarco De Francisci Morales (Yahoo! Research, Barcelona)

Traffic Prediction and Discovery of News via News Crowds (Page 853)
Carlos Castillo (Qatar Computing Research Institute)

Who Broke the News? An Analysis on First Reports of News Events (Page 855)
Matthias Gallé (Xerox Research Centre Europe)
Jean-Michel Renders (Xerox Research Centre Europe)
Eric Karstens (European Journalism Centre)

SNOW'13 Social News
Session Chair: Fabrizio Silvestri (ISTI-CNR, Pisa)

Finding News Curators in Twitter (Page 863)
Janette Lehmann (Universitat Pompeu Fabra)
Carlos Castillo (Qatar Computing Research Institute)
Mounia Lalmas (Yahoo! Labs)
Ethan Zuckerman (MIT Center for Civic Media)

Towards Automatic Assessment of the Social Media Impact of News Content (Page 871)
Tom De Nies (Ghent University - iMinds)
Gerald Haesendonck (Ghent University - iMinds)
Fréderic Godin (Ghent University - iMinds)
Wesley De Neve (Ghent University - iMinds & KAIST)
Erik Mannens (Ghent University - iMinds)
Rik Van de Walle (Ghent University - iMinds)

Verifying News on the Social Web: Challenges and Prospects (Page 875)
Steve Schifferes (City University, London)
Nic Newman (City University, London)

Newspaper Editors vs the Crowd: On the Appropriateness of Front Page News Selection (Page 879)
Arkaitz Zubiaga (City University of New York)

SOCM'13 Workshop

SOCM 2013 Workshop Chairs' Welcome (Page 881)
Nigel Shadbolt (University of Southampton)
David De Roure (University of Oxford)

SOCM 2013 Workshop Organization: The Theory and Practice of Social Machines (WWW2013) (Page 883)

SOCM'13 Technical Presentations

Social Machines: A Unified Paradigm to Describe Social Web-Oriented Systems (Page 885)
Vanilson Burégio (CIn-UFPE / INES)
Silvio Meira (CIn-UFPE / CESAR / INES)
Nelson Rosa (CIn-UFPE)

Crime Applications and Social Machines: Crowdsourcing Sensitive Data (Page 891)
Maire Byrne Evans (University of Southampton)
Kieron O'Hara (University of Southampton)
Thanassis Tiropanis (University of Southampton)
Craig Webber (University of Southampton)

Pseudonymity in Social Machines (Page 897)
Ben Dalton (Leeds Metropolitan University & Royal College of Art)

Observing Social Machines Part 1: What to Observe? (Page 901)
David De Roure (University of Oxford)
Clare Hooper (University of Southampton)
Megan Meredith-Lobay (University of Oxford)
Kevin Page (University of Oxford)
Ségolène Tarte (University of Oxford)
Don Cruickshank (University of Southampton)
Catherine De Roure (University of Bath)

Towards a Classification Framework for Social Machines (Page 905)
Nigel R. Shadbolt (University of Southampton)
Daniel A. Smith (University of Southampton)
Elena Simperl (University of Southampton)
Max Van Kleek (University of Southampton)
Yang Yang (University of Southampton)
Wendy Hall (University of Southampton)

Linked Data in Crowdsourcing Purposive Social Network (Page 913)
Priyanka Singh (University of Southampton)
Nigel Shadbolt (University of Southampton)

A Few Thoughts on Engineering Social Machines: Extended Abstract (Page 919)
Markus Strohmaier (Graz University of Technology)

The HTP Model: Understanding the Development of Social Machines (Page 921)
Ramine Tinati (University of Southampton)
Leslie Carr (University of Southampton)
Susan Halford (University of Southampton)
Catherine Pope (University of Southampton)

"The Crowd Keeps Me in Shape": Social Psychology and the Present and Future of Health Social Machines (Page 927)
Max Van Kleek (University of Southampton)
Daniel A. Smith (University of Southampton)
Wendy Hall (University of Southampton)
Nigel R. Shadbolt (University of Southampton)

SRS'13 Workshop

Welcome from the SRS 2013 Workshop Chairs (Page 933)
Ido Guy (IBM Research - Israel)
Li Chen (Hong Kong Baptist University)
Michelle X. Zhou (IBM Research - USA)

SRS 2013 Workshop Organization (Page 935)

SRS'13 Keynote Talks

How Status and Reputation Shape Human Evaluations: Consequences for Recommender Systems (Page 937)
Jure Leskovec (Stanford University)

Large-Scale Social Recommender Systems: Challenges and Opportunities (Page 939)
Mitul Tiwari (LinkedIn)

SRS'13 Technical Presentations

Signal-Based User Recommendation on Twitter (Page 941)
Giuliano Arru (Roma Tre University)
Davide Feltoni Gurini (Roma Tre University)
Fabio Gasparetti (Roma Tre University)
Alessandro Micarelli (Roma Tre University)
Giuseppe Sansonetti (Roma Tre University)

Generation of Coalition Structures to Provide Proper Groups' Formation in Group Recommender Systems (Page 945)
Lucas A. M. C. Carvalho (Federal University of Sergipe)
Hendrik T. Macedo (Federal University of Sergipe)

Users' Satisfaction in Recommendation Systems for Groups: An Approach Based on Noncooperative Games (Page 951)
Lucas Augusto Montalvão Costa Carvalho (Federal University of Sergipe)
Hendrik Teixeira Macedo (Federal University of Sergipe)

Recommending Collaborators Using Keywords (Page 959)
Sara Cohen (Hebrew University of Jerusalem)
Lior Ebel (Hebrew University of Jerusalem)

A Recommender System for Job Seeking and Recruiting Website (Page 963)
Yao Lu (React Group, EPFL)
Sandy El Helou (React Group, EPFL)
Denis Gillet (React Group, EPFL)

Weighted Slope One Predictors Revisited (Page 967)
Danilo Menezes (Universidade Federal do Sergipe)
Anisio Lacerda (Universidade Federal de Minas Gerais & Zunnit Technologies)
Leila Silva (Universidade Federal do Sergipe)
Adriano Veloso (Universidade Federal de Minas Gerais & Zunnit Technologies)
Nivio Ziviani (Universidade Federal de Minas Gerais)

Profile Diversity in Search and Recommendation (Page 973)
Maximilien Servajean (INRIA & LIRMM University of Montpellier)
Esther Pacitti (INRIA & LIRMM University of Montpellier)
Sihem Amer-Yahia (CNRS, LIG)
Pascal Neveu (INRA/SupAgro)

Does Social Contact Matter? Modelling the Hidden Web of Trust Underlying Twitter (Page 981)
Mozhgan Tavakolifard (Norwegian University of Science and Technology)
Kevin C. Almeroth (University of California, at Santa Barbara)
Jon Atle Gulla (Norwegian University of Science and Technology)

Understanding User Spatial Behaviors for Location-Based Recommendations (Page 989)
Jun Zhang (Pitney Bowes Inc.)
Chun-yuen Teng (University of Michigan)
Yan Qu (PlaceNous.com)

SWDM'13 Workshop

SWDM 2013 Workshop Chairs' Welcome (Page 993)
Maja Vukovic (IBM T.J. Watson Research Center)
Soundar Kumara (Pennsylvania State University)
Patrick Meier (QCRI, Qatar)

SWDM 2013 Workshop Organization (Page 995)

SWDM'13 Keynote
Session Chair: Soundar Kumara (Pennsylvania State University)

Disasters Response Using Social Life Networks (Page 997)
Ramesh Jain (University of California, Irvine)

SWDM'13 Twitter in Action
Session Chair: Maja Vukovic (IBM Research)

A Sensitive Twitter Earthquake Detector (Page 999)
Bella Robinson (CSIRO ICT Centre)
Robert Power (CSIRO ICT Centre)
Mark Cameron (CSIRO ICT Centre)

Text vs. Images: On the Viability of Social Media to Assess Earthquake Damage (Page 1003)
Yuan Liang (Texas A&M University)
James Caverlee (Texas A&M University)
John Mander (Texas A&M University)

Comparing Web Feeds and Tweets for Emergency Management (Page 1007)
Robert Power (CSIRO ICT Centre)
Bella Robinson (CSIRO ICT Centre)
Catherine Wise (CSIRO ICT Centre)

SWDM'13 Keynote 2
Session Chair: Patrick Meier (QCRI, Qatar)

Leveraging on Social Media to Support the Global Building Resilient Cities Campaign (Page 1011)
David Stevens (UNISDR - United Nations Office for Disaster Risk Reduction)

SWDM'13 Insights from Social Web
Session Chair: Soundar Kumara (Pennsylvania State University)

Location-Based Insights from the Social Web (Page 1013)
Yohei Ikawa (IBM Research -Tokyo, IBM Japan Ltd.)
Maja Vukovic (T.J. Watson Research, IBM Cooperation)
Jakob Rogstadius (University of Madeira)
Akiko Murakami (IBM Research -Tokyo, IBM Japan Ltd.)

Location Extraction from Disaster-Related Microblogs (Page 1017)
John Lingad (University of Sydney)
Sarvnaz Karimi (CSIRO ICT Centre)
Jie Yin (CSIRO ICT Centre)

Practical Extraction of Disaster-Relevant Information from Social Media (Page 1021)
Muhammad Imran (University of Trento)
Shady Elbassuoni (American University of Beirut)
Carlos Castillo (Qatar Computing Research Institute)
Fernando Diaz (Microsoft Research)
Patrick Meier (Qatar Computing Research Institute)

Information Sharing on Twitter During the 2011 Catastrophic Earthquake (Page 1025)
Fujio Toriumi (The University of Tokyo)
Takeshi Sakaki (The University of Tokyo)
Kosuke Shinoda (Keio University)
Kazuhiro Kazama (Wakayama University)
Satoshi Kurihara (Osaka University)
Itsuki Noda (National Institute of Advanced Industrial Science and Technology)

Information Verification During Natural Disasters (Page 1029)
Abdulfatai Popoola (Masdar Institute of Science and Technology)
Dmytro Krasnoshtan (Masdar Institute of Science and Technology)
Attila-Peter Toth (Masdar Institute of Science and Technology)
Victor Naroditskiy (University of Southampton)
Carlos Castillo (Qatar Computing Research Institute)
Patrick Meier (Qatar Computing Research Institute)
Iyad Rahwan (Masdar Institute of Science and Technology)

TempWeb'13 Workshop

Preface (Page 1033)
Ricardo Baeza-Yates (Yahoo! Research, Spain)
Julien Masanès (Internet Memory Foundation)
Marc Spaniol (Max-Planck-Institute for Informatics)

The 3rd Temporal Web Analytics Workshop (TempWeb 2013) (Page 1035)

TempWeb'13 Keynote Talk

Timelines as Summaries of Popular Scheduled Events (Page 1037)
Omar Alonso (Microsoft Corporation)
Kyle Shiells (Microsoft Corporation)

TempWeb'13 Web Archiving

A Survey of Web Archive Search Architectures (Page 1045)
Miguel Costa (Foundation for National Scientific Computing & University of Lisbon)
Daniel Gomes (Foundation for National Scientific Computing)
Francisco M. Couto (University of Lisbon)
Mário J. Silva (University of Lisbon, IST/INESC-ID)

Archival HTTP Redirection Retrieval Policies (Page 1051)
Ahmed AlSum (Old Dominion University)
Michael L. Nelson (Old Dominion University)
Robert Sanderson (Los Alamos National Laboratory)
Herbert Van de Sompel (Los Alamos National Laboratory)

Creating a Billion-Scale Searchable Web Archive (Page 1059)
Daniel Gomes (Foundation for National Scientific Computing)
Miguel Costa (Foundation for National Scientific Computing)
David Cruz (Foundation for National Scientific Computing)
João Miranda (Foundation for National Scientific Computing)
Simão Fontes (Foundation for National Scientific Computing)

TempWeb'13 Identifying and Leveraging Time Information

Discovering Temporal Hidden Contexts in Web Sessions for User Trail Prediction (Page 1067)
Julia Kiseleva (Eindhoven University of Technology)
Hoang Thanh Lam (Eindhoven University of Technology)
Mykola Pechenizkiy (Eindhoven University of Technology)
Toon Calders (Université Libre de Bruxelles)

Carbon Dating the Web: Estimating the Age of Web Resources (Page 1075)
Hany M. SalahEldeen (Old Dominion University)
Michael L. Nelson (Old Dominion University)

Stuff Happens Continuously: Exploring Web Contents with Temporal Information (Page 1083)
Omar Alonso (Microsoft Corporation)

TempWeb'13 Studies and Experience Sharing

Characterizing Video Access Patterns in Mainstream Media Portals (Page 1085)
Lucas C. O. Miranda (Universidade Federal de Minas Gerais & Samba Tech)
Rodrygo L. T. Santos (Universidade Federal de Minas Gerais)
Alberto H. F. Laender (Universidade Federal de Minas Gerais)

Adaptive Crowdsourcing for Temporal Crowds (Page 1093)
L. Elisa Celis (Xerox Research Center, India)
Koustuv Dasgupta (Xerox Research Center, India)
Vaibhav Rajan (Xerox Research Center, India)

A Survey of Temporal Web Search Experience (Page 1101)
Hideo Joho (University of Tsukuba)
Adam Jatowt (Kyoto University)
Blanco Roi (Yahoo! Research)

WebQuality'13 Workshop

Workshop Chairs' Welcome (Page 1109)
Adam Jatowt (Kyoto University)
Carlos Castillo (Qatar Computing Institute)
Zoltan Gyongyi (Google Research)
Katsumi Tanaka (Kyoto University)

WebQuality 2013 Workshop Organization (Page 1111)

WebQuality'13 Keynote Talk
Session Chair: Adam Jatowt (Kyoto University)

Measuring Web Quality (Page 1113)
Ricardo Baeza-Yates (Yahoo! Labs)

WebQuality'13 Web Content Quality Session
Session Chair: Adam Jatowt (Kyoto University)

Defending Imitating Attacks in Web Credibility Evaluation Systems (Page 1115)
Xin Liu (École Polytechnique Fédérale de Lausanne)
Radoslaw Nielek (Polish-Japanese Institute of Information Technology)
Adam Wierzbicki (Polish-Japanese Institute of Information Technology)
Karl Aberer (École Polytechnique Fédérale de Lausanne)

Trustworthiness Criteria for Supporting Users to Assess the Credibility of Web Information (Page 1123)
Jarutas Pattanaphanchai (University of Southampton)
Kieron O'Hara (University of Southampton)
Wendy Hall (University of Southampton)

On the Subjectivity and Bias of Web Content Credibility Evaluations (Page 1131)
Michał Kąkol (Polish-Japanese Institute of Information Technology)
Michał Jankowski-Lorek (Polish-Japanese Institute of Information Technology)
Katarzyna Abramczuk (Polish Academy of Sciences)
Adam Wierzbicki (Polish-Japanese Institute of Information Technology)
Michele Catasta (Ecole Polytechnique Fédérale de Lausanne)

WebQuality'13 Industry Experience Session
Session Chair: Zoltan Gyongyi (Google Research)

Russian Web Spam Evolution: Yandex Experience (Page 1137)
Sergey Pevtsov (Yandex, LLC)
Sergey Volkov (Yandex, LLC)

Graph-Based Malware Distributors Detection (Page 1141)
Andrei Venzhega (Yandex, LLC)
Polina Zhinalieva (Yandex, LLC)
Nikolay Suboch (Yandex, LLC)

Quality-Biased Ranking for Queries with Commercial Intent (Page 1145)
Alexander Shishkin (Yandex, LLC)
Polina Zhinalieva (Yandex, LLC)
Kirill Nikolaev (Yandex, LLC)

WebQuality'13 Web Spam Detection Session
Session Chair: Carlos Castillo (Qatar Computing Institute)

Cross-Lingual Web Spam Classification (Page 1149)
András Garzó (Hungarian Academy of Sciences, Eötvös University)
Bálint Daróczy (Hungarian Academy of Sciences, Eötvös University)
Tamás Kiss (Hungarian Academy of Sciences, Eötvös University)
Dávid Siklósi (Hungarian Academy of Sciences, Eötvös University)
András A. Benczúr (Hungarian Academy of Sciences, Eötvös University)

Automatically Generated Spam Detection Based on Sentence-Level Topic Information (Page 1157)
Yoshihiko Suhara (NTT Corporation)
Hiroyuki Toda (NTT Corporation)
Shuichi Nishioka (NTT Corporation)
Seiji Susaki (NTT Corporation)

WI&C'13 Workshop

WI&C Workshop Chairs' Welcome (Page 1161)
Rajendra Akerkar (Western Norway Research Institute)
Pierre Maret (Université Jean Monnet Saint Etienne)
Laurent Vercouter (Institut National de Sciences Appliquées de Rouen)

Organization (Page 1163)

WI&C'13 Keynote Talk
Session Chair: Pierre Maret (University Jean Monnet Saint Etienne)

Exploring Very Large Data Sets from Online Social Networks (Page 1165)
Virgilio Almeida (Federal University of Minas Gerais)

WI&C'13 Session 1
Session Chair: Pierre Maret (University Jean Monnet Saint Etienne)

Animated CAPTCHAs and Games for Advertising (Page 1167)
Suhas Aggarwal (Indian Institute of Technology)

A Large-Scale, Longitudinal Study of User Profiles in World of Warcraft (Page 1175)
Jonathan Bell (Columbia University)
Swapneel Sheth (Columbia University)
Gail Kaiser (Columbia University)

Ranking Factors of Team Success (Page 1185)
Nataliia Pobiedina (Vienna University of Technology)
Julia Neidhardt (Vienna University of Technology)
Maria del Carmen Calatrava Moreno (Vienna University of Technology)
Hannes Werthner (Vienna University of Technology)

WI&C'13 Session 2
Session Chair: Pierre Maret (University Jean Monnet Saint Etienne)

Autonomously Reviewing and Validating the Knowledge base of a Never-Ending Learning System (Page 1195)
Saulo D.S. Pedro (Federal University of São Carlos)
Ana Paula Appel (IBM Research -Brazil)
Estevam R. Hruschka Jr. (Federal University of São Carlos)

End-User Creation of Social Apps by Utilizing Web-Based Social Components and Visual App Composition (Page 1205)
Juwel Rana (Luleå University of Technology)
Sarwar Morshed (Luleå University of Technology)
Kåre Synnes (Luleå University of Technology)

A Personalized Recommender System Based on Users' Information in Folksonomies (Page 1215)
Mohamed Nader Jelassi (Université de Tunis El-Manar & Clermont Université & Université Blaise Pascal)
Sadok Ben Yahia (Université de Tunis El-Manar)
Engelbert Mephu Nguifo (Clermont Université & Université Blaise Pascal)

WOLE'13 Workshop

WoLE2013 Workshop Chairs' Welcome (Page 1225)
Pablo Mendes (OKFN)
Giuseppe Rizzo (EURECOM)
Eric Charton (CRIM, Centre de Recherche Informatique de Montréal)

WoLE2013 Workshop Organization (Page 1227)

WOLE'13 Keynote Talk

Entity Search on the Web (Page 1231)
Peter Mika (Yahoo! Labs)

WOLE'13 Technical Presentations

Visually Extracting Data Records From the Deep Web (Page 1233)
Neil Anderson (Queen's University Belfast)
Jun Hong (Queen's University Belfast)

Can We use Linked Data Semantic Annotators for the Extraction of Domain-Relevant Expressions? (Page 1239)
Michel Gagnon (Ecole Polytechnique de Montréal)
Amal Zouaq (Royal Military College of Canada)
Ludovic Jean-Louis (Ecole Polytechnique de Montéal)

Course-Specific Search Engines: Semi-Automated Methods for Identifying High Quality Topic-Specific Corpora (Page 1247)
Neel Guha (Henry M. Gunn High School)
Matt Wytock (Carnegie Mellon University)

Using SKOS Vocabularies for Improving Web Search (Page 1253)
Bernhard Haslhofer (University of Vienna)
Flávio Martins (Universidade Nova de Lisboa)
João Magalhães (Universidade Nova de Lisboa)

@I seek 'fb.me': Identifying Users Across Multiple Online Social Networks (Page 1259)
Paridhi Jain (Indraprastha Institute of Information Technology)
Ponnurangam Kumaraguru (Indraprastha Institute of Information Technology)
Anupam Joshi (University of Maryland, Baltimore County)

Search Result Presentation: Supporting Post-Search Navigation by Integration of Taxonomy Data (Page 1269)
Matthias Keller (Karlsruhe Institute of Technology)
Patrick Mühlschlegel (Karlsruhe Institute of Technology)
Hannes Hartenstein (Karlsruhe Institute of Technology)

RESLVE: Leveraging User Interest to Improve Entity Disambiguation on Short Text (Page 1275)
Elizabeth L. Murnane (Cornell University)
Bernhard Haslhofer (Cornell University)
Carl Lagoze (University of Michigan)

SEED: A Framework for Extracting Social Events from Press News (Page 1285)
Salvatore Orlando (DAIS - Università Ca' Foscari)
Francesco Pizzolon (DAIS - Università Ca' Foscari)
Gabriele Tolomei (DAIS - Università Ca' Foscari)

Classifying YouTube Channels: A Practical System (Page 1295)
Vincent Simonet (Google, Paris)

WOW'13 Workshop

1st International Web Observatory Workshop - WOW2013 Chairs' Welcome (Page 1305)
David De Roure (University of Oxford)
Wolfgang Nejdl (Leibniz Universität Hannover)

WOW2013 Workshop Organization (Page 1307)

WOW'13 Technical Presentations

The Economics of Data: Quality, Value & Exchange in Web Observatories (Page 1309)
Paul Booth (University of Southampton)
Paul Gaskell (University of Southampton)
Chris Hughes (University of Southampton)

From Search to Observation (Page 1317)
Ian Brown (University of Southampton)
Wendy Hall (University of Southampton)
Lisa Harris (University of Southampton)

Living Analytics Methods for the Web Observatory (Page 1321)
Ernesto Diaz-Aviles (University of Hannover)

Exploration in Web Science: Instruments for Web Observatories (Page 1325)
Marie Joan Kristine Gloria (Rensselaer Polytechnic Institute)
Deborah L. McGuinness (Rensselaer Polytechnic Institute)
Joanne S. Luciano (Rensselaer Polytechnic Institute)
Qingpeng Zhang (Rensselaer Polytechnic Institute)

From Health-Persona to Societal Health (Page 1329)
Ramesh Jain (University of California Irvine)
Laleh Jalali (University of California Irvine)
Mingming Fan (University of California Irvine)

Understanding the Diversity of Tweets in the Time of Outbreaks (Page 1335)
Nattiya Kanhabua (L3S Research Center & Leibniz Universität Hannover)
Wolfgang Nejdl (L3S Research Center & Leibniz Universität Hannover)

KONECT - The Koblenz Network Collection (Page 1343)
Jérôme Kunegis (University of Koblenz-Landau)

Design and Prototyping of a Social Media Observatory (Page 1351)
Karissa McKelvey (Indiana University)
Filippo Menczer (Indiana University)

EventShop: Recognizing Situations in Web Data Streams (Page 1359)
Siripen Pongpaichet (University of California, Irvine)
Vivek K. Singh (Massachusetts Institute of Technology)
Mingyan Gao (Google Inc.)
Ramesh Jain (University of California, Irvine)

SemantEco: A Next-Generation Web Observatory (Page 1369)
A. Patrice Seyed (University of New Mexico)
Tim Lebo (Rensselaer Polytechnic Institute)
Evan W. Patton (Rensselaer Polytechnic Institute)
Jim McCusker (Rensselaer Polytechnic Institute)
Deborah L. McGuinness (Rensselaer Polytechnic Institute)

An Approach for Using Wikipedia to Measure the Flow of Trends Across Countries (Page 1373)
Ramine Tinati (University of Southampton)
Thanassis Tiropanis (University of Southampton)
Lesie Carr (University of Southampton)

A Glance at an Overlooked Part of the World Wide Web (Page 1379)
Ionut Trestian (Northwestern University)
Chunjing Xiao (Northwestern University)
Aleksandar Kuzmanovic (Northwestern University)

WS-REST'13 Workshop

Fourth International Workshop on RESTful Design (WS-REST 2013) (Page 1387)
Rosa Alarcon (Pontificia Universidad Catolica de Chile)
Cesare Pautasso (University of Lugano)
Erik Wilde (EMC Corporation)

WS-REST 2013 Fourth International Workshop on RESTful Design (Page 1389)

WS-REST'13 Technical Presentations

A Concept for Generating Simplified RESTful Interfaces (Page 1391)
Markus Gulden (Zielpuls GmbH)
Stefan Kugele (Technische Universität München)

Distributed Affordance: An Open-World Assumption for Hypermedia (Page 1399)
Ruben Verborgh (Ghent University - iMinds - Multimedia Lab)
Michael Hausenblas (DERI, NUI Galway)
Thomas Steiner (Universitat Politècnica de Catalunya)
Erik Mannens (Ghent University - iMinds - Multimedia Lab)
Rik Van de Walle (Ghent University - iMinds - Multimedia Lab)

A Framework for Self-Descriptive RESTful Services (Page 1407)
Luca Panziera (University of Milan-Bicocca)
Flavio De Paoli (University of Milan-Bicocca)

Model Your Application Domain, Not Your JSON Structures (Page 1415)
Markus Lanthaler (Graz University of Technology)
Christian Gütl (Graz University of Technology)