Denis Helic is an Associated Professor at the Institute for Knowledge Technologies (KTI) at Graz University of Technology, in Austria.

He has a M.Sc. (Dipl. Ing.) in Computer Engineering from University of Zagreb (with honors) and Ph.D. in Computer Science (with honors) from Graz University of Technology.

His research interests include information networks, network science, social computation, multimedia and hypermedia information systems, user behavior in information systems, and the Web. He has published more than 70 research papers in various international journals and conferences and has won a number of conference best-paper awards.

He participated in a number of national and international projects either as a key researcher or the project leader. Currently, he is the project leader of an FWF-funded project called NIN that deals with navigation in information networks.

He teaches several courses at the Faculty of Computer Science at master and bachelor level.

Selected Publications

ACM DL Author-ize serviceMining Subgroups with Exceptional Transition Behavior
Florian Lemmerich, Martin Becker, Philipp Singer, Denis Helic, Andreas Hotho, Markus Strohmaier
KDD '16 Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, 2016
ACM DL Author-ize serviceRandom surfers on a web encyclopedia
Florian Geigl, Daniel Lamprecht, Rainer Hofmann-Wellenhof, Simon Walk, Markus Strohmaier, Denis Helic
i-KNOW '15 Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, 2015
ACM DL Author-ize serviceImproving recommender system navigability through diversification: a case study of IMDb
Daniel Lamprecht, Florian Geigl, Tomas Karas, Simon Walk, Denis Helic, Markus Strohmaier
i-KNOW '15 Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, 2015
ACM DL Author-ize serviceThe Influence of Social Status on Consensus Building in Collaboration Networks
Ilire Hasani-Mavriqi, Florian Geigl, Subhash Chandra Pujari, Elisabeth Lex, Denis Helic
ASONAM '15 Proceedings of the 2015 IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining 2015, 2015
ACM DL Author-ize serviceEvaluation of Folksonomy Induction Algorithms
Markus Strohmaier, Denis Helic, Dominik Benz, Christian Körner, Roman Kern
ACM Transactions on Intelligent Systems and Technology (TIST), 2012
ACM DL Author-ize serviceBuilding directories for social tagging systems
Denis Helic, Markus Strohmaier
CIKM '11 Proceedings of the 20th ACM international conference on Information and knowledge management, 2011
ACM DL Author-ize serviceThe effects of navigation tools on the navigability of web-based information systems
Denis Helic, Sebastian Wilhelm, Ilire Hasani-Mavriqi, Markus Strohmaier
i-KNOW '11 Proceedings of the 11th International Conference on Knowledge Management and Knowledge Technologies, 2011
ACM DL Author-ize serviceEnhancing the navigability of social tagging systems with tag taxonomies
Christoph Trattner, Christian Körner, Denis Helic
i-KNOW '11 Proceedings of the 11th International Conference on Knowledge Management and Knowledge Technologies, 2011
ACM DL Author-ize servicePragmatic evaluation of folksonomies
Denis Helic, Markus Strohmaier, Christoph Trattner, Markus Muhr, Kristina Lerman
WWW '11 Proceedings of the 20th international conference on World wide web, 2011
ACM DL Author-ize serviceCombining individual tutoring with automatic course sequencing in WBT systems
Denis Helic, Hermann Maurer, Nick Scerbakov
WWW Alt. '04 Proceedings of the 13th international World Wide Web conference on Alternate track papers & posters, 2004

Full publication list

Fetch here the bibtex export of my publications.

See also the full list of publications.

Teaching