12:00 -> 13:00% Room Exibition Hall Track Demos Track Demo Session – wednesday
13:00 -> 14:30% Room Segóvia I Track Keynote Opening Ceremony – Keynote Speaker Luis von Ahn
15:00 -> 16:30% Room Alhambra II Track Research Track - Social Web Engineering - 15:00 -16:30 Pick-A-Crowd: Tell Me What You Like, and I’ll Tell You What to Do Presenters: Gianluca Stringhini, Djellel Eddine Difallah, Philippe Cudré-Mauroux
15:00 -> 16:30% Room Alhambra II Track Research Track - Social Web Engineering - 15:00 -16:30 Groundhog Day: Near-Duplicate Detection on Twitter Presenters: Ke Tao, Fabian Abel, Claudia Hauff, Geert-Jan Houben, Ujwal Gadiraju
15:00 -> 16:30% Room Alhambra II Track Research Track - Social Web Engineering - 15:00 -16:30 Reactive Crowdsourcing Presenters: Alessandro Bozzon, Marco Bambilla, Stefano Ceri, Andrea Mauri
15:00 -> 16:25% Room Alhambra II Track Research Track - Social Web Engineering - 15:00 -16:30 Spatio-Temporal Dynamics of Global Social Media Presenters: Krishna Kamath, James Caverlee, Kyumin Lee, Zhiyuan Cheng
15:00 -> 16:30% Room El Pardo II Track Research Track - Search 1 - 15:00 - 16:30 Learning to Extract Cross-Session Search Tasks Presenters: Hongning Wang, Yang Song, Ming-Wei Chang, Xiaodong He, Ryen W. White, Wei Chu
15:00 -> 16:30% Room El Pardo II Track Research Track - Search 1 - 15:00 - 16:30 Interactive Exploratory Search for Multi Page Search Results Presenters: Xiaoran Jin, Marc Sloan, Jun Wang
15:00 -> 16:30% Room El Pardo II Track Research Track - Search 1 - 15:00 - 16:30 Which Vertical Search Engines are Relevant? Understanding Vertical Relevance Assessments for Web Queries Presenters: Joemon Jose, Ke Zhou, Ronan Cummins, Mounia Lalmas
15:00 -> 16:30% Room El Pardo II Track Research Track - Search 1 - 15:00 - 16:30 From Query to Question in One Click: Suggesting Synthetic Questions to Searchers Presenters: Idan Szpektor, Gideon Dror, Yoelle Maarek, Avihai Mejer
15:00 -> 16:30% Room Liberdade Track Research Track - Incentives and Pricing in Crowdsourcing - 15:00 - 16:30 Analyzing a Mechanical Turk Presenters: Nilesh Dalvi, Anirban Dasgupta, Ravi Kumar, Vibhor Rastogi
15:00 -> 16:30% Room Liberdade Track Research Track - Incentives and Pricing in Crowdsourcing - 15:00 - 16:30 Pricing Mechanisms for Crowdsourcing Markets Presenters: Yaron Singer, Manas Mittal
15:00 -> 16:30% Room Liberdade Track Research Track - Incentives and Pricing in Crowdsourcing - 15:00 - 16:30 Truthful Incentives in Crowdsourcing Tasks using Regret Minimization Mechanisms Presenters: Adish Singla, Andreas Krause
15:00 -> 16:30% Room Liberdade Track Research Track - Incentives and Pricing in Crowdsourcing - 15:00 - 16:30 Crowdsourced Judgement Elicitation with Endogenous Proficiency Presenters: Anirban Dasgupta, Arpita Ghosh
15:00 -> 16:30% Room El Pardo I Track Research Track - Privacy and Personalization - 15:00 - 16:30 Measuring Personalization of Web Search Presenters: Aniko Hannak, Piotr Sapiezynski, Arash Molavi Kakhki, Balachander Krishnamurthy, David Lazer, Alan Mislove, Christo Wilson
15:00 -> 16:30% Room El Pardo I Track Research Track - Privacy and Personalization - 15:00 - 16:30 Know Your Personalization: Learning Topic-Level Personalization in Online Services Presenters: A Majumder, Nisheeth Shrivastava
15:00 -> 16:30% Room El Pardo I Track Research Track - Privacy and Personalization - 15:00 - 16:30 Exploiting Innocuous Activity for Correlating Users Across Sites Presenters: Oana Goga, Howard Lei, Sree Hari Krishnan Parthasarathi, Gerald Friedland, Robin Sommer, Renata Teixeira
15:00 -> 16:30% Room El Pardo I Track Research Track - Privacy and Personalization - 15:00 - 16:30 I Know the Shortened URLs You Clicked on Twitter: Inference Attack using Public Click Analytics and Twitter Metadata Presenters: Jonghyuk Song, Sangho Lee, Jong Kim
15:00 -> 16:30% Room Alvorada I Track Research Track - Trust and Enterprise Social Networks - 15:00 - 16:30 Iolaus: Securing online content rating systems Presenters: Arash Molavi Kakhki, Chloe Kliman-Silver, Alan Mislove
15:00 -> 16:30% Room Alvorada I Track Research Track - Trust and Enterprise Social Networks - 15:00 - 16:30 Organizational Overlap on Social Networks and its Applications Presenters: Cho-Jui Hsieh, Mitul Tiwari, Sam Shah, Deepak Agarwal
15:00 -> 16:30% Room Alvorada I Track Research Track - Trust and Enterprise Social Networks - 15:00 - 16:30 Mining Expertise and Interests from Social Media in the Enterprise Presenters: Ido Guy, Uri Avraham, David Carme, Sigalit Ur, Michal Jacovi, Inbal Ronen
15:00 -> 16:30% Room Alvorada I Track Research Track - Trust and Enterprise Social Networks - 15:00 - 16:30 MATRI: A Multi-Aspect and Transitive Trust Inference Model Presenters: Yuan Yao, Hanghang Tong, Xifeng Yan, Feng Xu, Jian Lu
15:00 -> 16:30% Room Alvorada II Track Developers Track Best implementations report, Hackathon
15:00 -> 15:30% Room Itamaraty Track Industry Track Big data and visualization Presenters: Fernanda Viegas , Fernanda B. Viegas
15:00 -> 16:30% Room Imperial Track W3C Track eGov and Open Data Camp – Session 1 Presenters: Phil Archer, Caroline Burle, Diego Rabatone Oliveira, Pierre Andrews, Vagner Diniz
15:00 -> 16:30% Room Alhambra I Track Parallel Activities Luis von Ahn meets entrepeneurs Presenter: Luis von Ahn
15:00 -> 16:30% Room Alvorada II Track Developers Track Lua versus Javascript: Why do we need multiple languages? Presenter: Roberto Ierusalimschy
15:30 -> 16:00% Room Itamaraty Track Industry Track From queries to questions in Web Search and Community Question Answering Presenter: Yoelle Maarek
16:00 -> 16:30% Room Itamaraty Track Industry Track Whither Big Data? Presenters: Rico Malvar , Rakesh Agrawal
17:00 -> 18:30% Room Alhambra II Track Research Track - Web service and application development - 17:00 - 18:30 Exploiting Annotations for the Rapid Development of Collaborative Web Applications Presenters: Matthias Heinrich, Franz Josef Grüneberger, Thomas Springer, Martin Gaedke
17:00 -> 18:30% Room Alhambra II Track Research Track - Web service and application development - 17:00 - 18:30 Inferring Dependency Constraints on Parameters for Web Services Presenters: Qian Wu, Ling Wu, Guangtai Liang, Qianxiang Wang, Tao Xie, Hong Mei
17:00 -> 18:30% Room Alhambra II Track Research Track - Web service and application development - 17:00 - 18:30 Imagen: Runtime Migration of Browser Sessions for JavaScript Web Applications Presenters: James Lo, Eric Wohlstadter, Ali Mesbah
17:00 -> 18:30% Room Alhambra II Track Research Track - Web service and application development - 17:00 - 18:30 Data-Fu: A Language and an Interpreter for Interaction with Read/Write Linked Data Presenters: Steffen Stadtmüller, Sebastian Speiser, Andreas Harth
17:00 -> 18:30% Room El Pardo II Track Research Track - Search 2 - 17:00 - 18:30 Unified Entity Search in Social Media Community Presenters: Ting Yao, Yuan Liu, Chong-Wah Ngo, Tao Mei
17:00 -> 18:30% Room El Pardo II Track Research Track - Search 2 - 17:00 - 18:30 Learning Joint Query Interpretation and Response Ranking Presenters: Uma Sawant, Soumen Chakrabarti
17:00 -> 18:30% Room El Pardo II Track Research Track - Search 2 - 17:00 - 18:30 Efficient Computation of Diverse News Presenters: Sofiane Abbar, Sihem Amer-Yahia, Piotr Indyk, Sepideh Mahabadi
17:00 -> 18:30% Room El Pardo II Track Research Track - Search 2 - 17:00 - 18:30 Space-Efficient Data Structures for Top-k Completion Presenters: Giuseppe Ottaviano, Bo-June Paul Hsu
17:00 -> 18:30% Room Liberdade Track Research Track - Performance and Energy for Web and Media Services - 17:00 - 18:30 The Anatomy of LDNS Clusters: Findings and Implications for Web content delivery Presenters: Hussein Alzoubi, Michael Rabinovich, Oliver Spatscheck
17:00 -> 18:30% Room Liberdade Track Research Track - Performance and Energy for Web and Media Services - 17:00 - 18:30 Understanding Latency of Black-Box Service Workloads Presenters: Darja Krushevskaja, Mark Sandler
17:00 -> 18:30% Room Liberdade Track Research Track - Performance and Energy for Web and Media Services - 17:00 - 18:30 Understanding and decreasing the network footprint of over-the-top on-demand delivery of TV content Presenters: Gianfranco Nencioni, Nishanth Sastry, Jigna Chandaria, Jon Crowcroft
17:00 -> 18:30% Room Liberdade Track Research Track - Performance and Energy for Web and Media Services - 17:00 - 18:30 A Methodology for Green System Design of Online Media Services Presenters: Chris Preist, Stephen G. Wood, Paul Shabajee, Daniel Schien
17:00 -> 18:30% Room El Pardo I Track Research Track - Transforming UIs / Personal & Mature Data - 17:00 - 18:30 Cascading Tree Sheets and Recombinant HTML: Better Encapsulation and Retargeting of Web Content (Best student paper nominee) Presenters: David Karger, Edward Benson
17:00 -> 18:30% Room El Pardo I Track Research Track - Transforming UIs / Personal & Mature Data - 17:00 - 18:30 Model-Based Browsing Assistant for People with Vision Impairments Presenters: Yury Puzis, I.V. Ramakrishnan, Rami Puzis , Yevgen Borodin
17:00 -> 18:30% Room El Pardo I Track Research Track - Transforming UIs / Personal & Mature Data - 17:00 - 18:30 Is This App Safe for Children? A Comparison Study on Maturity Ratings on Android and iOS Applications Presenters: Sencun Zhu, Heng Xu, Yilu Zhou, Ying Chen
17:00 -> 18:30% Room El Pardo I Track Research Track - Transforming UIs / Personal & Mature Data - 17:00 - 18:30 Rethinking the Web as a Personal Archive Presenters: Tim Regan, Abigail Sellen, Siân Lindley, Richard Banks, Cathy Marshall
17:00 -> 18:30% Room Alvorada I Track Research Track - Negative Links and Anomalies in OSN - 17:00 - 18:30 What Is the Added Value of Negative Links in Online Social Networks? Presenters: Jérôme Kunegis, Julia Preusse, Felix Schwagereit
17:00 -> 18:30% Room Alvorada I Track Research Track - Negative Links and Anomalies in OSN - 17:00 - 18:30 Predicting Positive and Negative Links in Signed Social Networks by Transfer Learning Presenters: Jihang Ye, Zhe Zhu, Minghua Chen
17:00 -> 18:30% Room Alvorada I Track Research Track - Negative Links and Anomalies in OSN - 17:00 - 18:30 CopyCatch: Stopping Group Attacks by Spotting Lockstep Behavior in Social Networks Presenters: Chris Palow, Venkatesan Guruswami, Wanhong Xu, Alex Beutel, Christos Faloutsos
17:00 -> 18:30% Room Alvorada I Track Research Track - Negative Links and Anomalies in OSN - 17:00 - 18:30 An Analysis of Socware Cascades in Online Social Networks Presenters: Ting-Kai Huang, Md Sazzadur Rahman, Harsha Madhyastha, Michalis Faloutsos , Bruno Ribeiro
17:00 -> 18:30% Room Alvorada II Track Panels Track FORCE 11 Panel – The Future of Scholarly Communication Presenters: Todd Carpenter, Ivan Herman, Sweitze Roffel, David De Roure
17:00 -> 17:45% Room Itamaraty Track Industry Track Big Data and applications on the web Presenters: Fernanda Viegas , Ricardo Baeza-Yates, Rico Malvar , Rakesh Agrawal , Yoelle Maarek
17:00 -> 18:30% Room Imperial Track W3C Track eGov and Open Data Camp – Session 2 Presenters: Phil Archer, Caroline Burle
17:00 -> 18:30% Room Alhambra I Track Parallel Activities Panel with Entrepeneurs on the Web – Making business in Brazil: the Challenge Presenters: Felipe Jannuzi, Fábio Seixas, Edson Mackeenzy
17:00 -> 18:30% Room Queluz III Track W4A Bring your own device Presenters: Scott Hollier, Eugene Borodin, Clayton Lewis, Hironobu Takagi
17:45 -> 18:00% Room Itamaraty Track Industry Track Innovation and intellectual property on the web Presenter: Clara Neppel
18:00 -> 18:30% Room Itamaraty Track Industry Track Panel: Patents and innovation on the web Presenters: Julio Duram, Clara Neppel, Kristen Richmond, Luis Carlos dos Santos Duarte
18:30 -> 20:00% Room El Pardo II Track Research Track - Web Mining III - 18:30 - 20:00 Mining collective intelligence in groups Presenters: Guo-Jun Qi, Charu Aggarwa, Jiawei Han, Thomas Huang
18:30 -> 20:00% Room Alhambra II Track Research Track - Web economics and monetization - 18:30 - 20:00 On the Evolution of the Internet Economic Ecosystem Presenters: Richard T. B. Ma, John C. S. Lui, Vishal Misra
18:30 -> 20:00% Room Alhambra II Track Research Track - Web economics and monetization - 18:30 - 20:00 Strategyproof Mechanisms for Competitive Influence in Networks Presenters: Allan Borodin, Mark Braverman, Brendan Lucier, Joel Oren
18:30 -> 20:00% Room Alhambra II Track Research Track - Web economics and monetization - 18:30 - 20:00 The Cost of Annoying Ads Presenters: Daniel Goldstein, Preston McAfee, Siddharth Suri
18:30 -> 20:00% Room Alhambra II Track Research Track - Web economics and monetization - 18:30 - 20:00 Your browsing behavior for a Big Mac: Economics of Personal Information Online Presenters: Juan Pablo Carrascal, Christopher Riederer, Vijay Erramilli, Mauro Cherubini, Rodrigo de Oliveira
18:30 -> 20:00% Room El Pardo II Track Research Track - Web Mining I - 18:30 - 20:00 Explaining Data Fusion Decisions Presenters: Xin Dong, Divesh Srivastava
18:30 -> 20:00% Room El Pardo II Track Research Track - Web Mining I - 18:30 - 20:00 Distributed Large-scale Natural Graph Factorization Presenters: Amr Ahmed, Nino Shervashidze, Shravan Narayanamurthy, Vanja Josifovski, Alex Smola
18:30 -> 20:00% Room El Pardo II Track Research Track - Web Mining I - 18:30 - 20:00 Content-Aware Click Modeling Presenters: Hongning Wang, Chengxiang Zhai, Anlei Dong, Yi Chang
18:30 -> 20:00% Room Liberdade Track Research Track - Behavioral Analysis - 18:30 - 20:00 The Self-Feeding Process: A Unifying Model for Communication Dynamics in the Web Presenters: Pedro Olmo Vaz de Melo, Christos Faloutsos, Renato Assuncao, Antonio Loureiro
18:30 -> 20:00% Room Liberdade Track Research Track - Behavioral Analysis - 18:30 - 20:00 HeteroMF: Recommendation in Heterogeneous Information Networks using Context Dependent Factor Models Presenters: Mohsen Jamali, Laks Lakshmanan
18:30 -> 20:00% Room Liberdade Track Research Track - Behavioral Analysis - 18:30 - 20:00 When Relevance is not Enough: Promoting Diversity and Freshness in Personalized Question Recommendation Presenters: Idan Szpektor, Yoelle Maarek, Dan Pelleg
18:30 -> 20:00% Room Liberdade Track Research Track - Behavioral Analysis - 18:30 - 20:00 Questions about Questions: An Empirical Analysis of Information Needs on Twitter Presenters: Qiaozhu Mei, Zhe Zhao
18:30 -> 20:00% Room El Pardo I Track Research Track - Recommender Systems and OSN - 18:30 - 20:00 From Amateurs to Connoisseurs: Modeling the Evolution of User Expertise through Online Reviews Presenters: Julian McAuley, Jure Leskovec
18:30 -> 20:00% Room El Pardo I Track Research Track - Recommender Systems and OSN - 18:30 - 20:00 TopRec: Domain-Specific Recommendation through Community Topic Mining in Social Network Presenters: Xi Zhang, Jian Cheng, Ting Yuan, Biao Niu, Hanqing Lu
18:30 -> 20:00% Room El Pardo I Track Research Track - Recommender Systems and OSN - 18:30 - 20:00 How to grow more pairs: Suggesting review targets for comparison-friendly review ecosystems Presenters: James Cook, Alex Fabrikant, Avinatan Hassidim
18:30 -> 20:00% Room El Pardo I Track Research Track - Recommender Systems and OSN - 18:30 - 20:00 Diversified Recommendation on Graphs: Pitfalls, Measures, and Algorithms Presenters: Onur Kucuktunc, Erik Saule, Kamer Kaya, Umit V. Catalyurek
18:30 -> 20:00% Room Alvorada II Track Developers Track The Linked Data Platform (LDP) Presenters: Arnaud Le Hors, Steve Speicher
18:30 -> 20:00% Room Alvorada II Track Developers Track Effective Web Scraping with OXPath Presenters: Giovanni Grasso, Tim Furche , Christian Schallhar
18:30 -> 20:00% Room Alvorada II Track Developers Track Linked Services Infrastructure: a single entry point for online mediarelated to any concept Presenter: Lyndon Nixon
18:30 -> 20:00% Room Alvorada I Track Demos Track Analyzing the Suitability of Web Applications for a Single-User to Multi-User Transformation Presenters: Matthias Heinrich, Franz Lehmann, Franz Josef Grüneberger, Thomas Springer, Martin Gaedke
18:30 -> 20:00% Room Alvorada I Track Demos Track Tailored News in the Palm of Your HAND: A Multi-Perspective Transparent Approach to News Recommendation Presenters: Mozhgan Tavakolifard, Jon Atle Gulla, Kevin Almeroth, Jon Espen Ingvaldsen, Gaute Nygreen, Erik Berg
18:30 -> 20:00% Room Alvorada I Track Demos Track uTrack: Track Yourself! Monitoring Information on Online Social Media Presenters: Tiago R. Magalhães, Prateek Dewan, Ponnurangam Kumaraguru, Raquel Melo-Minardi , Virgilio Almeida
18:30 -> 20:00% Room Alvorada I Track Demos Track FANS: Face Annotation by Searching Large-scale Web Facial Images Presenters: Dayong Wang, Steven C.H Hoi, I Yeu Cheng, Elmer Weijie Lin
18:30 -> 20:00% Room Alvorada I Track Demos Track Automated Exploration and Analysis of Ajax Web Applications with WebMole Presenters: Gabriel Le Breton, Fabien Maronnaud, Sylvain Hallé
18:30 -> 20:00% Room Alvorada I Track Demos Track MASFA: Mass-collaborative Faceted Search for Online Communities Presenters: Seth Cleveland , Byron Gao
18:30 -> 20:00% Room Alvorada I Track Demos Track SPARQL2NL – Verbalizing SPARQL queries Presenters: Axel-Cyrille Ngonga Ngomo, Lorenz Bühmann, Christina Unger, Jens Lehmann, Daniel Gerber
18:30 -> 20:00% Room Alvorada I Track Demos Track DFT-Extractor : A System to Extract Domain-specific Faceted Taxonomies from Wikipedia Presenters: Bifan Wei, Jun Liu
18:30 -> 20:00% Room Itamaraty Track Industry Track Industry Track 3
18:30 -> 20:00% Room Imperial Track Special Guest Tim Berners-Lee meets Students Presenter: Tim Berners-Lee
18:30 -> 20:00% Room Queluz VII Track Parallel Activities 3WA Game – Live final chapter
18:30 -> 20:00% Room Alvorada I Track Demos Track Live Topic Generation from Event Streams Presenters: Vuk Milicic, Giuseppe Rizzo, Jose Luis Redondo Garcia, Raphael Troncy, Thomas Steiner
18:30 -> 20:00% Room Alvorada I Track Demos Track TagVisor: extending web pages with interaction events to support presentation in digital signage Presenters: Marcio Galli, Eduardo Pezutti
18:30 -> 20:00% Room Alhambra I Track Parallel Activities Panel with start-ups accelerators
18:30 -> 19:15% Room Itamaraty Track Industry Track Challenges of a WWW Bank Presenter: Flavio de Oliveira Stutz
19:15 -> 19:35% Room Itamaraty Track Industry Track Near Field Communication: opportunities, benefits and use cases. Presenter: Igor Taquehara
19:55 -> 20:00% Room Exibition Hall Track Demos session and poster track Demos, Poster Reception – from 8:00pm to 9:00pm