Denis Helic

2026

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Visual Content Moderation in Messaging Systems.
Maria Ljubicic|Emanuel Lacic|Denis Helic
Proceedings of the ACM Web Conference 2026, WWW 2026, Dubai, United Arab Emirates, originally scheduled for April 13-17, 2026, rescheduled for June 29 - July 3, 2026.

2025

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Large Language Models as Narrative-Driven Recommenders.
Lukas Eberhard|Thorsten Ruprechter|Denis Helic
Proceedings of the ACM on Web Conference 2025, WWW 2025, Sydney, NSW, Australia, 28 April 2025- 2 May 2025

2019

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Self- and Cross-Excitation in Stack Exchange Question & Answer Communities.
Tiago Santos|Simon Walk|Roman Kern|Markus Strohmaier|Denis Helic
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2017

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A Bayesian Method for Comparing Hypotheses About Human Trails.
Philipp Singer|Denis Helic|Andreas Hotho|Markus Strohmaier
ACM Transactions on the Web 2017 Volume 11 Issue 3
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How Users Explore Ontologies on the Web: A Study of NCBO's BioPortal Usage Logs.
Simon Walk|Lisette Espin Noboa|Denis Helic|Markus Strohmaier|Mark A. Musen
Proceedings of the 26th International Conference on World Wide Web, WWW 2017, Perth, Australia, April 3-7, 2017
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Exploring the Impact of Trolls on Activity Dynamics in Real-World Collaboration Networks.
Philipp Koncar|Simon Walk|Denis Helic|Markus Strohmaier
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017
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Nonlinear Characterization of Activity Dynamics in Online Collaboration Websites.
Tiago Santos|Simon Walk|Denis Helic
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

2016

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Activity Dynamics in Collaboration Networks.
Simon Walk|Denis Helic|Florian Geigl|Markus Strohmaier
ACM Transactions on the Web 2016 Volume 10 Issue 2

2015

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HypTrails: A Bayesian Approach for Comparing Hypotheses About Human Trails on the Web.
Philipp Singer|Denis Helic|Andreas Hotho|Markus Strohmaier
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2012

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Evaluation of Folksonomy Induction Algorithms.
Markus Strohmaier|Denis Helic|Dominik Benz|Christian Körner|Roman Kern
ACM Transactions on Intelligent Systems and Technology (TIST) 2012 Volume 3 Issue 4

2011

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Building directories for social tagging systems.
Denis Helic|Markus Strohmaier
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011
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Pragmatic evaluation of folksonomies.
Denis Helic|Markus Strohmaier|Christoph Trattner|Markus Muhr|Kristina Lerman
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011

2004

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Combining individual tutoring with automatic course sequencing in WBT systems.
Denis Helic|Hermann A. Maurer|Nick Scerbakov
Proceedings of the 13th international conference on World Wide Web - Alternate Track Papers & Posters, WWW 2004, New York, NY, USA, May 17-20, 2004