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Research Output 2007 2019

2019

Consensus Dynamics in Online Collaboration Networks

Hasani-Mavriqi, I., Jan 2019, 208 p.

Research output: ThesisDoctoral ThesisResearch

File
Social sciences
Physics
Electric network analysis
Large scale systems
2018

AFEL-REC: A Recommender System for Providing Learning Resource Recommendations in Social Learning Environments

Kowald, D., Lacic, E., Theiler, D. & Lex, E., 14 Aug 2018.

Research output: Contribution to conferencePaperResearchpeer-review

Recommender systems
Software architecture
Metadata

Balancing the Fluency-Consistency Tradeoff in Collaborative Information Search with a Recommender Approach

Seitlinger, P., Ley, T., Kowald, D., Theiler, D., Hasani-Mavriqi, I., Dennerlein, S., Lex, E. & Albert, D., 11 Oct 2018, In : International Journal of Human-Computer Interaction. 34, 6, p. 557-575 19 p.

Research output: Contribution to journalArticleResearchpeer-review

Data storage equipment
resources
group work
creativity
workplace

Consensus dynamics in online collaboration systems

Hasani-Mavriqi, I., Kowald, D., Helic, D. & Lex, E., 1 Dec 2018, In : Computational Social Networks. 5, 1, 2.

Research output: Contribution to journalArticleResearchpeer-review

Online systems
Opinion Dynamics
Experiments
Collaboration
Game

Mitigating Confirmation Bias on Twitter by Recommending Opposing Views

Lex, E., Wagner, M. & Kowald, D., 11 Sep 2018, In : arXiv.org e-Print archive. arXiv:1809.03901.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

Neighborhood Troubles: On the Value of User Pre-Filtering To Speed Up and Enhance Recommendations

Lacic, E., Kowald, D. & Lex, E., 20 Aug 2018.

Research output: Contribution to conferencePaperResearchpeer-review

File
Collaborative filtering
Recommender systems
Search engines
File
Chemical activation
Data storage equipment

Simulation-based co-creation of algorithms

Dennerlein, S., Kowald, D., Pammer-Schindler, V., Lex, E. & Ley, T., 1 Jan 2018, In : CEUR Workshop Proceedings. 2190

Research output: Contribution to journalConference articleResearchpeer-review

Interactive computer systems
Software engineering
Systems analysis

Studying Confirmation Bias in Hashtag Usage on Twitter

Kowald, D. & Lex, E., 10 Sep 2018, In : arXiv.org e-Print archive. arXiv:1809.03203.

Research output: Contribution to journalArticleResearchpeer-review

Open Access

The Impact of Semantic Context Cues on the User Acceptance of Tag Recommendations: An Online Study

Kowald, D., Seitlinger, P., Ley, T. & Lex, E., 6 Mar 2018, Companion Proceedings to the Web Conference 2018. p. 1-2

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Semantics
Personnel

Trust-based collaborative filtering: Tackling the cold start problem using regular equivalence

Duricic, T., Kowald, D., Lacic, E. & Lex, E., 27 Sep 2018, RecSys 2018 - 12th ACM Conference on Recommender Systems. Association of Computing Machinery, p. 446-450 5 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Collaborative filtering
Recommender systems

Trust-Based Collaborative Filtering: Tackling the Cold Start Problem Using Regular Equivalence

Duricic, T., Lacic, E., Kowald, D. & Lex, E., 18 Jul 2018, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearchpeer-review

2017

AFEL: Towards Measuring Online Activities Contributions to Self-Directed Learning

d’Aquin, M., Adamou, A., Dietze, S., Fetahu, B., Gadiraju, U., Hasani-Mavriqi, I., Holtz, P., Kimmerle, J., Kowald, D., Lex, E., L´opez Sola, S., Maturana, R. A., Sabol, V., Troullinou, P. & Veas, E. E., 2017.

Research output: Contribution to conferencePaperResearchpeer-review

Facings
Momentum
Recommender systems
Collaborative filtering
Knowledge representation
Metadata
Learning systems

Beyond Accuracy Optimization: On the Value of Item Embeddings for Student Job Recommendations

Lacic, E., Kowald, D., Reiter-Haas, M., Slawicek, V. & Lex, E., 21 Nov 2017, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearchpeer-review

Students
Recommender systems

International conference on knowledge technologies and data-driven business 2017 (i-KNOW 2017) - Workshop proceedings

Aehnelt, M., Bluder, O., Breitfuss, G., Kaiser, R., Kern, R., Klamma, R., Kowald, D., Ley, T., Lex, E., Müller, C., Pammer-Schindler, V., Rauter, R., Reiner, G. & Veas, E., 1 Jan 2017, In : CEUR Workshop Proceedings. 2025

Research output: Contribution to journalEditorialResearchpeer-review

Semantic stability in wikipedia

Stanisavljevic, D., Hasani-Mavriqi, I., Lex, E., Strohmaier, M. & Helic, D., 1 Jan 2017, In : Studies in Computational Intelligence. 693, p. 385-395 11 p.

Research output: Contribution to journalArticleResearchpeer-review

Semantics

Supporting collaborative learning with tag recommendations: a real-world study in an inquiry-based classroom project

Kopeinik, S., Lex, E., Seitlinger, P. C., Albert, D. & Ley, T. T., Mar 2017, In Proceedings of the Seventh International Learning Analytics & Knowledge Conference. Association of Computing Machinery, p. 409-418 10 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Tailoring recommendations for a multi-domain environment

Lacic, E., Kowald, D. & Lex, E., 1 Jan 2017, In : CEUR Workshop Proceedings. 1887, p. 42-45 4 p.

Research output: Contribution to journalConference articleResearchpeer-review

Recommender systems
Data structures
Concretes

Temporal effects on hashtag reuse in Twitter: A cognitive-inspired hashtag recommendation approach

Kowald, D., Pujari, S. C. & Lex, E., 1 Jan 2017, 26th International World Wide Web Conference, WWW 2017. International World Wide Web Conferences Steering Committee, p. 1401-1410 10 p. 3052605

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Data storage equipment

The TagRec framework as a toolkit for the development of tag-based recommender systems

Kowald, D., Kopeinik, S. & Lex, E., 9 Jul 2017, UMAP 2017 - Adjunct Publication of the 25th Conference on User Modeling, Adaptation and Personalization. Association of Computing Machinery, p. 23-28 6 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Recommender systems
2016

A Sliding Window Approach to Natural Hand Gesture Recognition using a Custom Data Glove

Luzhnica, G., Simon, J. P., Lex, E. & Pammer-Schindler, V., 2016, Proceedings of the IEEE 3DUI 2016 Symposium on 3D User Interfaces.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Going beyond your personal learning network, using recommendations and trust through a multimedia question-answering service for decision-support: A case study in the healthcare

Santos, P., Dennerlein, S., Theiler, D., Cook, J., Treasure-Jones, T., Holley, D., Kerr, M., Attwell, G., Kowald, D. & Lex, E., 1 Jan 2016, In : Journal of Universal Computer Science . 22, 3, p. 340-359 20 p.

Research output: Contribution to journalArticleResearchpeer-review

Question Answering
Decision Support
Healthcare
Social Learning
Multimedia

High Enough? Explaining and Predicting Traveler Satisfaction Using Airline Reviews

Kowald, D., Lacic, E. & Lex, E., 2016, Proceedings of the 27th ACM Conference on Hypertext and Social Media.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Improving Collaborative Filtering Using a Cognitive Model of Human Category Learning

Kopeinik, S., Kowald, D., Mavriqi-Hasani, I. & Lex, E., 2016, In : The Journal of Web Science. 2, 1

Research output: Contribution to journalArticleResearchpeer-review

Named Entity Recognition for the Agricultural Domain

Malarkodi, CS., Lex, E. & Sobha, L. D., 2016, Proceedings of the 17th International Conference on Intelligent Text Processing and Computational Linguistics (CICLING 2016).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Research data explored: an extended analysis of citations and altmetrics

Peters, I., Kraker, P., Lex, E., Gumpenberger, C. & Gorraiz, J., 2016, In : Scientometrics. p. 1-22 22 p.

Research output: Contribution to journalArticleResearchpeer-review

Semantic Stability in Wikipedia

Stanisavljevic, D., Mavriqi-Hasani, I., Lex, E., Strohmaier, M. & Helic, D., 30 Nov 2016, Complex Networks & Their Applications V: Proceedings of the 5th International Workshop on Complex Networks and their Applications (COMPLEX NETWORKS 2016). Springer International Publishing AG , p. 379-390

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Take up my tags: Exploring benefits of meaning making in a collaborative learning task at the workplace

Dennerlein, S., Seitlinger, P., Lex, E. & Ley, T., 1 Jan 2016, Adaptive and Adaptable Learning - 11th European Conference on Technology Enhanced Learning, EC-TEL 2016, Proceedings. Verbert, K., Sharples, M. & Klobučar, T. (eds.). Springer Verlag Heidelberg, p. 377-383 7 p. (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); vol. 9891 LNCS).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Collaborative Learning
Social Learning
Field Study
Tagging
Manipulation

The Influence of Frequency, Recency and Semantic Context on the Reuse of Tags in Social Tagging Systems

Kowald, D. & Lex, E., 2016, Proceedings of the 27th ACM Conference on Hypertext and Social Media.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

The influence of social status and network structure on consensus building in collaboration networks

Mavriqi-Hasani, I., Geigl, F., Pujari, S. C., Lex, E. & Helic, D., 15 Sep 2016, In : Social Network Analysis and Mining. 6, 1, p. 1 17 p.

Research output: Contribution to journalArticleResearchpeer-review

Open Access
File
social status
social network
social class
simulation

Using the hybrid social learning network to explore concepts, practices, designs and smart services for networked professional learning

Cook, J., Ley, T., Maier, R., Mor, Y., Santos, P., Lex, E., Dennerlein, S., Trattner, C. & Holley, D., 1 Jan 2016, State-of-the-Art and Future Directions of Smart Learning. Singapore: Springer, p. 123-129 7 p. (Lecture Notes in Educational Technology).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

social learning
informal learning
learning

Visualizing workplace learning data with the SSS Dashboard

Ruiz-Calleja, A., Dennerlein, S. M., Ley, T. & Lex, E., 2016, CrossLAK 2016 Learning Analytics Across Physical and Digital Spaces 2016: Proceedings of the First International Workshop on Learning Analytics Across Physical and Digital Spaces co-located with 6th International Conference on Learning Analytics & Knowledge (LAK 2016). Vol. 1601. (CEUR Workshop Proceedings).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Which Algorithms Suit Which Learning Environments? A Comparative Study of Recommender Systems in TEL.

Kopeinik, S., Kowald, D. & Lex, E., Sep 2016, Adaptive and Adaptable Learning: 11th European Conference on Technology Enhanced Learning. Springer Verlag, Vol. 9891. p. 124-138 14 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

2015

A Critical Look at the ResearchGate Score as a Measure of Scientific Reputation

Kraker, P. & Lex, E., 2015.

Research output: Contribution to conferencePaperResearchpeer-review

Attention Please! A Hybrid Resource Recommender Mimicking Attention-Interpretation Dynamics

Seitlinger, P., Kowald, D., Kopeinik, S., Hasani-Mavriqi, I., Ley, T. & Lex, E., 30 Jan 2015, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearch

File
Collaborative filtering
Factorization

Attention Please! A Hybrid Resource Recommender Mimicking Attention-Interpretation Dynamics

Seitlinger, P. C., Kowald, D., Kopeinik, S., Hasani-Mavriqi, I., Ley, T. & Lex, E., 2015, Proceedings of 24th International World Wide Web Conference WWW’15. ., p. 339-345

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Evaluating Tag Recommender Algorithms in Real-World Folksonomies: A Comparative Study

Kowald, D. & Lex, E., 2015, Proceedings of RecSys'15. New York: Association of Computing Machinery, p. 505-509

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Open Access
File

Exploring Coverage and Distribution of Identifiers on the Scholarly Web

Kraker, P., Enkhbayar, A. & Lex, E., 2015, Proceedings of the 14th International Symposium of Information Science – ISI 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Exploring Coverage and Distribution of Identifiers on the Scholarly Web

Kraker, P., Enkhbayar, A. & Lex, E., 17 Mar 2015, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearch

File

HowTo: Scientific Work in Interdisciplinary and Distributed Teams

Lex, E. & Dennerlein, S. M., 2015, STCSN E-Letter, 3, 1.

Research output: Contribution to specialist publicationArticleResearch

HowTo: Scientific Work in Interdisciplinary and Distributed Teams

Lex, E. & Dennerlein, S. M., 2015.

Research output: Contribution to conference(Old data) Lecture or PresentationResearch

Influence of Status on Consensus Building in Collaboration Networks

Hasani-Mavriqi, I., Geigl, F., Pujari, S. C., Lex, E. & Helic, D., 2015, Proceedings of the IEEE/ACM International Conference on Advances in Social Networks Analysis and Mining (ASONAM 2015).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Integrating data across workplace learning applications with a social semantic infrastructure

Ruiz-Calleja, A., Dennerlein, S. M., Tomberg, V., Ley, T. T., Theiler, D. & Lex, E., 2015, Advances in Web-Based Learning - ICWL 2015: 14th International Conference, Guangzhou, China. ., Vol. 9412. p. 208-217 10 p. (Lecture Notes in Computer Science).

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

KnowBrain: An Online Social Knowledge Repository for Informal Workplace Learning

Dennerlein, S. M., Theiler, D., Marton, P., Santos, P., Cook, J., Lindstaedt, S. & Lex, E., 2015, Proceedings of the European Conference on Technology Enhanced Learning. ., p. 509-512 4 p.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearchpeer-review

Making sense of Informal Learning at the Workplace

Dennerlein, S. M., Treasure-Jones, T., Tomberg, V., Theiler, D., Lex, E. & Ley, T. T., 2015.

Research output: Contribution to conferencePosterResearch

Modeling Activation Processes in Human Memory to Improve Tag Recommendations

Kowald, D., Seitlinger, P. C., Ley, T. T. & Lex, E., 2015.

Research output: Contribution to conferencePosterResearchpeer-review

Research Data Explored: Citations versus Altmetrics

Peters, I., Kraker, P., Lex, E., Gumpenberger, C. & Gorraiz, J., 14 Jan 2015, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearch

File

Research Data Explored: Citations versus Altmetrics

Peters, I., Kraker, P., Lex, E., Gumpenberger, C. & Gorraiz, J., 2015, Proceedings of the International Society for Informetrics and Scientometrics – ISSI 2015.

Research output: Chapter in Book/Report/Conference proceedingConference contributionResearch

Research Data Explored II: the Anatomy and Reception of figshare

Kraker, P., Lex, E., Gorraiz, J., Gumpenberger, C. & Peters, I., 4 Mar 2015, In : arXiv.org e-Print archive.

Research output: Contribution to journalArticleResearch

File