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Time Tuesday, June 14 Wednesday, June 15 Thursday, June 16 Friday, June 17
8.00 - 9.00   Come together and registration Come together and registration Come together and registration
9.00 - 10.30   Altmetrics Workshop / Curriculum Workshop / Health Workshop Microlevel Processes on the Web Advances in Network Studies of the Web
10.30 - 11.00   Coffee Break Coffee Break Coffee Break
11.00 - 12.30   Altmetrics Workshop / Curriculum Workshop / Health Workshop Web Science Tools and Technologies 11.00 - 12.00 Broad Views of Web Science
        12.00 - 13.00 Keynote: Berry Wellman, University of Toronto
12.30 - 14.00 Come together and registration 12.30 - 13.30 Lunch Lunch 13.00 - 13.15 Best Paper / Best Poster Award, Farewell
    13.30 - 14.00 Welcome   13.15 Lunch
14.00 - 15.00 Altmetrics Workshop / Curriculum Workshop Keynote: Jaime Teevan, Microsoft Research Panel: Location Based Services  
15.00 - 15.30 Coffee Break Coffee Break Coffee Break  
15.30 - 17.30 Altmetrics Workshop / Curriculum Workshop 15.30 - 17.00 Analysis of the Web and Web Users 15:30 - 16:10 Governance & Trust & 16:10 - 17:10 Web Technologies  
    17.15 - 21.30 Poster Session 17.15 - 18.00 Birds of a feather meetings / Town Hall meeting  
  19:00 Come together @ "Kaffeewirtschaft"   18:00 Departure for Dinner  
      19.00 Conference Dinner  

Conference Program

Welcome and opening of the Conference: Wednesday, June 15: 13.30

  • Ethan Munson, ACM SigWeb Chair
  • Dame Wendy Hall, WebSci Steering Committee chair and director Web Science Trust
  • David de Roure, Program Chair ACM WebSci'11
  • Steffen Staab, General chair ACM WebSci'11

Session 1: Analysis of the Web and Web Users

Wednesday, June 15: 15.30 - 17.00

Long Presentations

Nasir Naveed, Sergej Sizov and Steffen Staab: ATT: Analyzing Temporal Dynamics of Topics and Authors in Social Media.

Fabian Abel, Qi Gao, Geert-Jan Houben and Ke Tao: Analyzing Temporal Dynamics in Twitter Profiles for Personalized Recommendations in the Social Web.

Janaína Gomide, Adriano Veloso, Wagner Meira Jr., Fabrício Benevenuto, Virgílio Almeida, Fernanda Ferraz and Mauro Teixeira: Dengue surveillance based on a computational model of spatio-temporal locality of Twitter.

Short Presentations

Richard Berendsen, Bogomil Kovachev, Edgar Meij, Maarten de Rijke and Wouter Weerkamp: Classifying Queries Submitted to a Vertical Search Engine.

Clare J. Hooper: Using TAPT as an Analytical Method for Understanding Online Experiences.

Fabian Flöck, Denny Vrandecic and Elena Simperl: Towards a diversity-minded Wikipedia.

Session 2a: Microlevel Processes on the Web

Thursday, June 16: 9.00 - 10.30

Long Presentations

Silvia Knobloch-Westerwick and Axel Westerwick: Social Comparisons at Your Fingertips: The Importance of Majority/Minority Status.

Joan Feigenbaum, James Hendler, Aaron D. Jaggard, Daniel Weitzner and Rebecca Wright: Accountability and Deterrence in Online Life (Extended Abstract).

Nasir Naveed, Thomas Gottron, Jérôme Kunegis and Arifah Che Alhadi: Bad News Travel Fast: A Content-based Analysis of Interestingness on Twitter.

Alan Dix: A Shifting Boundary: the dynamics of internal cognition and the web as external representation.

Short Presentations

Rodrigo Laiola Guimaraes, Pablo Cesar, Dick C.A. Bulterman, Ian Kegel and Peter Ljungstrand: Social Practices around Personal Videos using the Web.

Session 2b: Web Science Tools and Technologies

Thursday, June 16th 11.00 - 12.30

Long Presentations

Chiel van den Akker, Susan Legêne, Marieke van Erp, Lora Aroyo, Roxane Segers, Lourens van der Meij, Jacco van Ossenbruggen, Guus Schreiber, Bob Wielinga, Johan Oomen and Geertje Jacobs: Digital Hermeneutics:  Agora and the Online Understanding of Cultural Heritage.

Madalina Croitoru, Stephane Bazan, Stefano Cerri, Hugh Davis, Clement Jonquet, Gianfranco Prini, Francois Scharffe, Steffen Staab, Michalis Vafopoulos and Su White: WSCD: Negotiating the Web Science Curriculum Development through Shared Educational Artefacts.

Short Presentations

Helen Hockx-Yu: The Past Issue of the Web.

Muhammad Ahmad and Jaideep Srivastava: Item Recommendations in Multiple Overlapping Social Networks in MMOs.

Muhammad Ahmad, Marshall Poole and Jaideep Srivastava: The Trust Propensity Prediction Problem.

Session 2c: Governance & Trust

Thursday, June 16th: 15.30 - 16.10

Short Presentations

Felix Schwagereit, Ansgar Scherp and Steffen Staab: Survey on Governance of User-generated Content in Web Communities.

Dominic Difranzo and Alvaro Graves: A Farm in Every Window: A Study into the Incentives for Participation in theWindow Farm Virtual Community.

Matthew Gamble and Carole Goble: Quality, Trust and Utility of Scientific Data on the Web: Towards a Joint Model.

Session 2d: Web Technologies

Thursday, June 16: 16.10  - 17.00

Long Presentations

Ashley Smith, Kieron O'Hara and Paul Lewis: Visualising the Past: Annotating a Life with Linked Open Data.

Short Presentations

Cathleen M. Stuetzer, Kathleen M. Carley, Thomas Koehler and Gerhard Thiem: The communication infrastructure during the learning process in web based collaborative learning systems.

Stéphane Bernard Bazan, Christophe Varin and Sabrine Saad: Sharing innovative teaching experience in higher education on the Web: An interdisciplinary study on a contextualized Web 2.0 application for community building and teacher training.

Sarosh Khan, Roksana Moore and Dr Mark Weal: Social Media on the Job: An exploration of the potential legal consequences of employer’s social media usage whilst during the course of employment.

Darko Jesic, Jovana Kovacevic and Milan Stankovic: Web Technologies for Open Innovation.

Session 3a: Advances in Network Studies of the Web

Friday, June 17: 9.00 - 10.30

Long Presentations

Pascal Juergens, Andreas Jungherr and Harald Schoen: Small Worlds with a Difference: New Gatekeepers and the Filtering of Political Information on Twitter.

Connor Mccabe, Richard A. Watson, Jane Prichard and Wendy Hall: The Web as an Adaptive Network: Coevolution of Web Behavior and Web Structure.

Marcel Karnstedt, Matthew Rowe, Jeffrey Chan, Harith Alani and Conor Hayes: The Effect of User Features on Churn in Social Networks.

Brian Keegan, Muhammad Aurangzeb Ahmad, Dmitri Williams, Jaideep Srivastava and Noshir Contractor: Sic Transit Gloria Mundi Virtuali? Promise and Peril at the Intersection of Computational Social Science and Online Clandestine Organizations.

Short Presentations

Mark Bernstein: Flocks, Herds, and Stories: temporal coherence and the long tail.

Session 3b: Broad Views of Web Science

Friday, June 17: 11.00 - 12.00

Long Presentations

Karolin Eva Kappler and Ricard Riuz de Querol: Is there anybody out there? – Social Media as a new social fetish.

Hans Akkermans, Nana Baah Gyan, Anna Bon, Wendelien Tuyp, Aman Grewal Stéphane Boyera and Mary Allen: Is (Web) Science Ready for Empowerment?

Michael Yip and Craig Webber: Hacktivism: a theoretical and empirical exploration of China’s cyber warriors.

Poster Presentations

Wednesday, June 15: 17.15 - 21.30:

Poster Presentations

Alexandre Passant, Julia Anaya and Owen Sacco: Privacy-by-design in Federated Social Web applications

Alexiei Dingli, Dylan Seychell: Mobile Price Comparison Application using Localisation Techniques.

Andrey Kan, Jeffrey Chan, Conor Hayes and Bernie Hogan: Studying Forum Dynamics from a User Engagement Perspective.

Arifah Che Alhadi, Thomas Gottron and Steffen Staab: Exploring User Purpose Writing Single Tweets.

Aristea-Maria Zafeiropoulou, David Millard, Craig Webber and Kieron O'Hara: Privacy Implications of Location and Contextual Data on the Social Web.

Avaré Stewart: Self-Supervised Learning for Medical Web Disease Reporting Events Detection.

Beate Navarro Bullock, Robert Jäschke and Andreas Hotho: Tagging data as implicit feedback for learning-to-rank.

Betty Purwandari, Wendy Hall and Gary B. Wills: Methodology for Impact Analysis of the Mobile Web in Developing Countries: a Pilot Study in Nairobi, Kenya.

Brett Thom, April Kontostathis and Lynne Edwards: SafeChat: Using Open Source Software to Protect Minors from Internet Predation.

Charalampos Bratsas, Spiros Alexiou, Dimitris Kontokostas, Ioannis Parapontis, Ioannis Antoniou and George Metakides: Greek Open Data in the Age of Linked Data: A Demonstration of LOD Internationalization.

Christian Bauckhage: Where the Pirates Are.

Christine Moser, Iina Hellsten and Peter Groenewegen: The icing on the cake – combining relational and semantic methods to extract meaning from online message board postings.

Christoph Kling, Sergej Sizov and Steffen Staab: Virtual Field Research with Social Media: A Pilot Case of Biometeorology.

Daniel Alves, Vanessa Gonçalves, Priscila Lima, Nelson Maculan and Felipe França: G-DI: a Graph Decontamination Iterator for the Web.

Deborah L. McGuinness and Evan W. Patton: A Semantic Sommelier as an Ontology-Powered Mobile Social Application and a Pedagogical Tool.

Deborah L. McGuinness, Abdul R. Shaikh, Richard Moser, Bradford W. Hesse, Glen D. Morgan, Erik Augustson, Yvonne Hunt, Zaria Tatalovich, Gordon Willis, Kelly Blake, Paul K. Courtney, Lila Finney, Amy Sanders, Li Ding, Timothy Lebo, James McCusker, Noshir Contractor, Yun Huang, York Yao and Hugh Devlin: A Semantically-enabled Community Health Portal for Cancer Prevention and Control.

Diego Saez-Trumper, Wagner Meira and Virgilio Almeida: Twitter: Predicting Elections in a few hours.

Diego Virasoro, Pauline Leonard and Mark Weal: An Analysis of Social News Websites.

Dimitris Kontokostas, Charalampos Bratsas, Sören Auer, Sebastian Hellmann, Ioannis Antoniou and George Metakides: Towards Linked Data Internationalization - Realizing the Greek DBpedia.

Dixon Ip, Oscar Wu and Helen Shen: Is Love All Around? Visualization of Sentiments via Tagged Photo Analysis.

Erik Cambria, Amir Hussain and Chris Eckl: Bridging the Gap between Structured and Unstructured Health-Care Data through Semantics and Sentics.

Eugenio Tacchini and Ernesto Damiani: Can a Rock song have a Jazz audience? Relationship between folksonomy and collaborative filtering in music recommender systems.

Eva Kahana, Boaz Kahana, Holger Pfaff, Loren Lovegreen and Cory Cronin: The Proactive Aged: New Players in the "Web World".

Frantisek Sudzina, Liana Razmerita and Kathrin Kirchner: Strengthening weak ties through on-line gaming.

Gerald Futschek, Wolfram Proksch, Alexander Prosser, Erich Schweighofer and Hannes Werthner: The Need for a Digital Domestic Right.

Glívia Barbosa and Raquel Prates: An Analysis of Sociability of Deaf Users in Orkut Communities.

Harri Oinas-Kukkonen: The construct of Webflow for capturing the web user experience.

Henning Weiler, Suenje Dallmeier-Tiessen, Travis C. Brooks, Salvatore Mele and Samuele Carli: Crowd-Sourced Data Enhancement in Scholarly Communication.

Ian Barnes, Elizabeth Brooks and Grant Cumming: Toilet Finder: Community co-creation of health-related information.

Isabella Peters, Stefanie Haustein and Jens Terliesner: Crowdsourcing in Journal Evaluation.

Ismar Silveira, Pollyana Mustaro and Edson Pimentel: Palimpmedia: mass-collaborative media creation and sharing though crowdsourcing and its implications to Courseware and Open Educational Resources.

Jean-Rémy Duboc, Mark Weal and Sunhea Choi: Semantic Virtual Patients: Using Semantic Web Technology to Improve Virtual Patients for Medical Education.

Jennifer Bayzick, April Kontostathis and Lynne Edwards: Detecting the Presence of Cyberbullying Using Computer Software.

Jim Hendler and Andrew Hugill: The Syzygy Surfer: Creative Technology for the World Wide Web.

Jodi Schneider and Alexandre Passant: Arguments about Deletion: Guiding New Users in Making Good Arguments.

Johan Oomen and Vassilis Tzouvaras: Publishing Europe’s Television Heritage on the Web: The EUscreen Initiative.

Johanna Flores and Li Ding: Discovering the Hidden Cross-Dataset Links in Data.gov.

Jonathan Sinclair, Benoit Hudzia, Maik Lindner, Alan Stewart and Terry Harmer: Compliance Auditing in Future Web-based Infrastructures.

Jonneke Bekkenkamp, Edgar Meij and Maarten De Rijke: Online Religious Studies.

Judith Winter: Democratisation of Digital Search by Decentralisation.

Jussara Almeida, Marcos Andre Goncalves and Raquel Prates: Towards the “Green Web”: Fighting Pollution and Promoting High Quality Content on the Web.

K Faith Lawrence: Wherefore Art Thou? – Crowdsourcing Linked Data From Shakespeare to Dr Who.

Katrin Weller and Cornelius Puschmann: Twitter for Scientific Communication: How Can Citations/References be Identified and Measured?

Kristian Fischer and Stefan Karsch: Modeling Security Relevant Context - An approach towards Adaptive Security in Volatile Mobile Web Environments.

Lauane Baroncelli and André Freitas: Identity Management on the Web: A Struggle for Recognition.

Li Ding, Ryan Whalen, Noshir Contractor and Deborah L. McGuinness: Government Agency Network Discovery via Hyperlinks and Datalinks.

Lu Lu, Lei Hou, Xiao Zhang, Zhichun Wang and Juanzi Li: A Case Study of Multi-view News Exploration.

Marco Brambilla, Stefano Ceri and Alessandro Bozzon: Build your complex search: social, behavioral, and micro-economic perspective on modern Web search.

Mario Schaarschmidt, Thomas Kilian, Gianfranco Walsh and Harald F. O. Von Kortzfleisch: Motivation and Creativity in Controlled Platforms: An Analysis Based on Facebook and iPhone Application Developers.

Mark Schueler: Social Effects of Enterprise 2.0 in Organizational Practice.

Mark Thamm and Philipp Mayr: Comparing webometric with web-independent rankings: a case study with German universities.

Michael Yip: An investigation into Chinese cybercrime and the applicability of Social Network Analysis.

Michalis Vafopoulos: Modeling the Web Economy: Web Users and Goods.

Michalis Vafopoulos: Web Science Subject Categorization (WSSC): A proposal.

Muhammad Ahmad and Jaideep Srivastava: Models of Social Capital for Predicting Success in MMOs.

Naif R. Aljohani, Saad A. Alahmari and Ali M. Aseere: An Organized Collaborative Work Using Twitter in Flood Disaster.

Natascha Hoebel and Darius Zumstein: Trust and Privacy in the Web: Do Internet Users Feel Monitored on Websites?

Nazihah Md. Akim, Alan Dix, Akrivi Katifori, Giorgos Lepouras, Nadeem Shabir and Costas Vassilakis: Spreading Activation for Web Scale Reasoning: Promise and Problems.

Neil Mcbride: Characterising the Social Construct in Web Development.

Nicolas Marie, Fabien Gandon and Myriam Ribiere: Pervasive sociality through social objects.

Norhidayah Azman, David Millard and Mark Weal: Patterns of Implicit and Non-follower Retweet Propagation: Investigating the Role of Applications and Hashtags.

Patrick Hille, Gianfranco Walsh, Simon Brach and David Dose: Why online Identity Theft poses a major Threat to E-Business.

Pawel Kozak and Karsten Tolle: Analyzing Web Profiles using Probabilistic Ontologies.

Peter Edwards, Edoardo Pignotti and David Corsar: Provenance on the Web, Leaving the Walled Garden Behind…

Peter Kraker and Stefanie Lindstaedt: Research Practices on the Web in the Field of Technology Enhanced Learning.

Ramine Tinati, Susan Halford, Leslie Carr and Catherine Pope: Conceptualising a Web of Linked Actors.

Róbert Sumi, Taha Yasseri, András Rung, András Kornai and János Kertész: Characterization and prediction of Wikipedia edit wars.

Rodrigo Paim and Daniel R. Figueiredo: Measuring Hyperlink Distance: Wikipedia case study.

Ruth Garcia, Barbara Poblete, Marcelo Mendoza and Alejandro Jaimes: Microblogging without Borders: Differences and Similarities.

Sabrine Saad, Stéphane Bazan, Christophe Henri Varin and Lorraine Etienne: Asymmetric Cyber-warfare between Israel and Hezbollah: the Web as a new strategic battlefield.

Sharon Greenberg, Eti Yaari and Judit Bar-Ilan: Perceived credibility of Bloggers and Blog Posts on conventional and alternative Medicine.

Silviu Homoceanu, Sergej Dechand and Wolf-Tilo Balke: Review driven Customer Segementation for improved E-Shopping experience.

Simon Carter, Manos Tsagkias and Wouter Weerkamp: Twitter hashtags: Joint Translation and Clustering.

Sirko Schindler, Manfred Hauswirth and Birgitta König-Ries: Navigating in a heterogeneous data space.

Souneil Park, Minsam Ko, Dal Yong Jin and Junehwa Song: Mitigating Media Bias: Improving Journalism through the Web.

Stella Mitchell, Shanshan Chen, Mansoor Ahmed, Brian Lowe, Paula Markes, Nicholas Rejack, Jon Corson-Rikert, Bing He, Ying Ding and The Vivo Collaboration: The VIVO Ontology: Enabling Networking of Scientists.

Sven Bittner and Andre Müller: Social Networking Tools and Research Information Systems: Do They Compete?

Teun Lucassen, Matthijs Noordzij and Jan Maarten Schraagen: Reference Blindness: The Influence of References on Trust in Wikipedia.

Thomas Gottron, Jérôme Kunegis, Ansgar Scherp and Steffen Staab: One Community Does Not Rule Them All.

Tina Ganster, Nicole Sträfling, Nicole C. Krämer, Sophia A. Grundnig, Bao N. Trinh, Jenny-Maria Issel and Marc Mannsfeld: Learning Web 2.0 – The Relation Between Individual Learning Styles and the Usage of Peer-to-Peer Exchange via Social Software for Advanced Vocational Training.

Tobias Ley and Paul Seitlinger: Why People Don't Swarm: Evidence for a Dual-process Memory Model in Collaborative Tagging.

Uer-Aree Phothiyarom: Is There any Space for Late Night Swordsman in Postwar Vietnam? Online Gaming in Vietnam: Youth Pop Culture, Technological Hero, or Social Threat? 

Wouter Weerkamp, Simon Carter and Manos Tsagkias: How People use Twitter in Different Languages.

Yunjia Li, Mike Wald and Gary Wills. Interlinking Multimedia Annotations.

Max Wilson, Zhao Geng, Robert S. Laramee, Tom Cheesman, Andy Rothwell, David M. Berry and Alison Ehrmann: Studying International Variations in Culture and Literature: Visualizing Translation Variations in Shakespeare’s Othello.

Zhichun Wang, Xiao Zhang, Lei Hou and Juanzi Li: RiMOM2: A Flexible Ontology Matching Framework.