| How ontologies are made: Studying the hidden social dynamics behind collaborative ontology engineering projects M Strohmaier, S Walk, J Pöschko, D Lamprecht, T Tudorache, C Nyulas, ... Journal of Web Semantics 20, 18-34, 2013 | 49 | 2013 |
| User Behavioral Patterns and Early Dropouts Detection: Improved Users Profiling through Analysis of Successive Offering of MOOC. M Vitiello, S Walk, D Helic, V Chang, C Guetl J. Univers. Comput. Sci. 24 (8), 1131-1150, 2018 | 27 | 2018 |
| Discovering beaten paths in collaborative ontology-engineering projects using markov chains S Walk, P Singer, M Strohmaier, T Tudorache, MA Musen, NF Noy Journal of biomedical informatics 51, 254-271, 2014 | 26 | 2014 |
| Understanding how users edit ontologies: Comparing hypotheses about four real-world projects S Walk, P Singer, LE Noboa, T Tudorache, MA Musen, M Strohmaier International Semantic Web Conference, 551-568, 2015 | 25 | 2015 |
| The social semantic server: A framework to provide services on social semantic network data D Kowald, S Dennerlein, D Theiler, S Walk, C Trattner 9th International Conference on Semantic Systems, I-SEMANTICS 2013, 50-54, 2013 | 20 | 2013 |
| Pragmatix: An interactive tool for visualizing the creation process behind collaboratively engineered ontologies S Walk, J Pöschko, M Strohmaier, K Andrews, T Tudorache, NF Noy, ... International Journal on Semantic Web and Information Systems (IJSWIS) 9 (1 …, 2013 | 19 | 2013 |
| MOOC dropouts: A multi-system classifier M Vitiello, S Walk, V Chang, R Hernandez, D Helic, C Guetl European Conference on Technology Enhanced Learning, 300-314, 2017 | 18 | 2017 |
| Activity dynamics in collaboration networks S Walk, D Helic, F Geigl, M Strohmaier ACM Transactions on the Web (TWEB) 10 (2), 1-32, 2016 | 15 | 2016 |
| Sequential action patterns in collaborative ontology-engineering projects: A case-study in the biomedical domain S Walk, P Singer, M Strohmaier Proceedings of the 23rd ACM International Conference on Conference on …, 2014 | 14 | 2014 |
| Beggars can't be choosers: Augmenting sparse data for embedding-based product recommendations in retail stores M Wölbitsch, S Walk, M Goller, D Helic Proceedings of the 27th ACM Conference on User Modeling, Adaptation and …, 2019 | 12 | 2019 |
| Evaluating narrative-driven movie recommendations on Reddit L Eberhard, S Walk, L Posch, D Helic Proceedings of the 24th international conference on intelligent user …, 2019 | 12 | 2019 |
| Improving recommender system navigability through diversification: A case study of IMDb D Lamprecht, F Geigl, T Karas, S Walk, D Helic, M Strohmaier Proceedings of the 15th International Conference on Knowledge Technologies …, 2015 | 11 | 2015 |
| How users explore ontologies on the Web: A study of NCBO's BioPortal usage logs S Walk, L Esín-Noboa, D Helic, M Strohmaier, MA Musen Proceedings of the 26th International Conference on World Wide Web, 775-784, 2017 | 10 | 2017 |
| Analyzing user interactions with biomedical ontologies: A visual perspective MR Kamdar, S Walk, T Tudorache, MA Musen Journal of Web Semantics 49, 16-30, 2018 | 9 | 2018 |
| Classifying Students to improve MOOC dropout rates M Vitiello, W Simon, R Hernández, D Helic, C Gütl Research Track, 501-508, 2016 | 9 | 2016 |
| How to apply markov chains for modeling sequential edit patterns in collaborative ontology-engineering projects S Walk, P Singer, M Strohmaier, D Helic, NF Noy, MA Musen International Journal of Human-Computer Studies 84, 51-66, 2015 | 9 | 2015 |
| Self-and cross-excitation in stack exchange question & answer communities T Santos, S Walk, R Kern, M Strohmaier, D Helic The World Wide Web Conference, 1634-1645, 2019 | 8 | 2019 |
| Nonlinear characterization of activity dynamics in online collaboration websites T Santos, S Walk, D Helic Proceedings of the 26th International Conference on World Wide Web Companion …, 2017 | 7 | 2017 |
| Sequential usage patterns in collaborative ontology-engineering projects S Walk, P Singer, M Strohmaier, D Helic, NF Noy, MA Musen arXiv preprint arXiv:1403.1070, 2014 | 7 | 2014 |
| Estimating Relative Tag Locations based on Time-Differences in Read Events T Hasler, M Wölbitsch, M Goller, S Walk 13th IEEE International Conference on RFID, 2019 | 6 | 2019 |
Denis HelicAssoc. Prof. of Computer Science, Graz University of TechnologyVerified email at tugraz.at
