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Koncar, Philipp ; Santos, Tiago ; Strohmaier, Markus

; Helic, Denis (2022) Correction to: On the application of the Two-Factor Theory to online employer reviews.

Journal of Data, Information and Management Cham 4 1 87 [Zeitschriftenartikel]

Hussain, Hussain ; Cao, Meng ; Sikdar, Sandipan ; Helic, Denis ; Lex, Elisabeth ; Strohmaier, Markus

; Kern, Roman Adversarial inter-group link injection degrades the fairness of graph neural networks. Zhu, Xiaodan ; Ranka, Sanjay ; Thai, My T. ; Washio, Takashi ; Wu, Xindong 975-980 In: 2022nd IEEE International Conference on Data Mining : 28 November-1 December 2022, Orlando, Florida : proceedings (2022) Los Alamitos, CA [u.a.] 2022 IEEE International Conference on Data Mining (ICDM) (Orlando, FL) [Konferenzveröffentlichung]

Koncar, Philipp ; Santos, Tiago ; Strohmaier, Markus

; Helic, Denis (2022) On the application of the Two-Factor Theory to online employer reviews.

Journal of Data, Information and Management Cham 4 1 1-23 [Zeitschriftenartikel]

Popović, Radomir ; Lemmerich, Florian ; Strohmaier, Markus

Joint multiclass debiasing of word embeddings. Helic, Denis ; Leitner, Gerhard ; Stettinger, Martin ; Felfernig, Alexander ; Raś, Zbigniew W. Lecture Notes in Computer Science 12117 79-89 In: Foundations of intelligent systems : 25th International Symposium, ISMIS 2020, Graz, Austria, September 23–25, 2020, proceedings (2020) Berlin [u.a.] ISMIS 2020 (Online) [Konferenzveröffentlichung]

Santos, Tiago ; Walk, Simon ; Kern, Roman ; Strohmaier, Markus

; Helic, Denis (2019) Activity archetypes in question-and-answer (Q8A) websites—A study of 50 Stack Exchange instances.

ACM Transactions on Social Computing New York, NY 2 1, Article 4 1-23 [Zeitschriftenartikel]

Santos, Tiago ; Walk, Simon ; Kern, Roman ; Strohmaier, Markus

; Helic, Denis Self- and cross-excitation in Stack Exchange Question & Answer communities.

Liu, Ling ; White, Ryen W. ; Mantrach, Armin ; Silvestri, Fabrizio ; McAuley, Julian ; Baeza-Yates, Ricardo ; Zia, Leila 1634-1645 In: The Web Conference 2019 : Proceedings of The World Wide Web Conference WWW 2019, May 13-17, 2019, San Francisco, CA, USA (2019) New York, NY WWW '19 (San Francisco, CA) [Konferenzveröffentlichung]

Kasper, Patrick ; Koncar, Philipp ; Walk, Simon ; Santos, Tiago ; Wölbitsch, Matthias ; Strohmaier, Markus

; Helic, Denis Modeling user dynamics in collaboration websites. Ghanbarnejad, Fakhteh ; Roy, Rishiraj Saha ; Karimi, Farima ; Delvenne, Jean-Charles ; Mitra, Bivas 113-133 In: Dynamics On and Of Complex Networks III : machine learning and statistical physics approaches (2019) Cham DOOCN 2017 (Indianapolis, IN) [Konferenzveröffentlichung]

Santos, Tiago ; Lemmerich, Florian ; Strohmaier, Markus

; Helic, Denis (2019) What's in a review: Discrepancies between expert and amateur reviews of video games on Metacritic. Proceedings of the ACM on Human-Computer Interaction New York, NY 3 CSCW, Article 140 1-22 [Zeitschriftenartikel]

Dimitrov, Dimitar ; Helic, Denis ; Strohmaier, Markus

(2018) Tag-based navigation and visualization. Brusilovsky, Peter ; He, Daqing Social information access : systems and technologies Lecture Notes in Computer Science Berlin [u.a.] 10100 181-212 [Buchkapitel]

Lamprecht, Daniel ; Lerman, Kristina ; Helic, Denis ; Strohmaier, Markus

(2017) How the structure of Wikipedia articles influences user navigation. The New Review of Hypermedia and Multimedia Abingdon 23 1 29-50 [Zeitschriftenartikel]

Lamprecht, Daniel ; Strohmaier, Markus

; Helic, Denis (2017) A method for evaluating discoverability and navigability of recommendation algorithms.

Computational Social Networks New York, NY [u.a.] 4 Article 9 1-26 [Zeitschriftenartikel]

Walk, Simon ; Esín-Noboa, Lisette ; Helic, Denis ; Strohmaier, Markus

; Musen, Mark A. How users explore ontologies on the Web: A study of NCBO's BioPortal usage logs.

Barrett, Rick ; Cummings, Rick ; Agichtein, Eugene ; Gabrilovich, Evgeniy 775-784 In: WWW '17 : Proceedings of the 26th International Conference on World Wide Web, May 3–7, 2017, Perth, Australia (2017) New York, NY WWW '17 (Perth, Australia) [Konferenzveröffentlichung]

Koncar, Philipp ; Walk, Simon ; Helic, Denis ; Strohmaier, Markus

Exploring the impact of trolls on activity dynamics in real-world collaboration networks.

Barrett, Rick ; Cummings, Rick ; Agichtein, Eugene ; Gabrilovich, Evgeniy 1573-1578 In: WWW '17 Companion : Proceedings of the 26th International Conference on World Wide Web, April 3–7, 2017, Perth, Australia (2017) New York, NY WWW '17 (Perth, Australia) [Konferenzveröffentlichung]

Singer, Philipp ; Helic, Denis ; Hotho, Andreas ; Strohmaier, Markus

(2017) A Bayesian method for comparing hypotheses about human trails. ACM Transactions on the Web : TWEB New York, NY 11 3, Article 14 1-29 [Zeitschriftenartikel]

Stanisavljevic, Darko ; Hasani-Mavriqi, Ilire ; Lex, Elisabeth ; Strohmaier, Markus

; Helic, Denis Semantic stability in Wikipedia. Cherifi, Hocine ; Gaito, Sabrina ; Quattrociocchi, Walter ; Sala, Alessandra Studies in Computational Intelligence : SCI 693 379-390 In: Complex networks & their applications V : Proceedings of the 5th International Workshop on Complex Networks and their Applications (COMPLEX NETWORKS 2016) (2017) Berlin ; Heidelberg ; New York, NY COMPLEX NETWORKS 2016 (Milano, Italy) [Konferenzveröffentlichung]

Lemmerich, Florian ; Singer, Philipp ; Becker, Martin ; Espín-Noboa, Lisette ; Dimitrov, Dimitar ; Helic, Denis ; Hotho, Andreas ; Strohmaier, Markus

Comparing hypotheses about sequential data: A Bayesian approach and its applications. Altun, Yasemin ; Das, Kamalika ; Mielikäinen, Taneli ; Malerba, Donato ; Stefanowski, Jerzy ; Read, Jesse ; Žitnik, Marinka ; Ceci, Michelangelo ; Džeroski, Sašo Lecture Notes in Computer Science 10536 354-357 In: Machine Learning and Knowledge Discovery in Databases : European conference, ECML PKDD 2017, Skopje, Macedonia, September 18–22, 2017, proceedings. Part 3 (2017) Berlin [u.a.] ECML PKDD 2017 (Skopje, Macedonia) [Konferenzveröffentlichung]

Lemmerich, Florian ; Singer, Philipp ; Becker, Martin ; Espín-Noboa, Lisette ; Dimitrov, Dimitar ; Helic, Denis ; Hotho, Andreas ; Strohmaier, Markus

A Bayesian approach for comparing hypotheses about sequential data and its applications. Leyer, Michael CEUR Workshop Proceedings 1917 99 In: LWDA 2017 : Lernen, Wissen, Daten, Analysen (LWDA) conference proceedings, Rostock, Germany, September 11-13, 2017 (2017) Aachen, Germany LWDA 2017 (Rostock, Germany) [Konferenzveröffentlichung]

Lamprecht, Daniel ; Strohmaier, Markus

; Helic, Denis A method for evaluating the navigability of recommendation algorithms. Cherifi, Hocine ; Gaito, Sabrina ; Quattrociocchi, Walter ; Sala, Alessandra Studies in Computational Intelligence : SCI 693 247-259 In: Complex Networks & Their Applications : Proceedings of the 5th International Workshop on Complex Networks and their Applications (COMPLEX NETWORKS 2016) (2017) Berlin ; Heidelberg ; New York, NY COMPLEX NETWORKS 2016 (Milano, Italy) [Konferenzveröffentlichung]

Walk, Simon ; Helic, Denis ; Geigl, Florian ; Strohmaier, Markus

(2016) Activity dynamics in collaboration networks. ACM Transactions on the Web : TWEB New York, NY 10 2, Article 11 1-32 [Zeitschriftenartikel]

Lemmerich, Florian ; Becker, Martin ; Singer, Philipp ; Helic, Denis ; Hotho, Andreas ; Strohmaier, Markus

Mining subgroups with exceptional transition behavior. Krishnapuram, Balaji ; Shah, Mohak 965-974 In: KDD ’16 : Proceedings of the 22nd ACM SIGKDD International Conference on Knowledge Discovery and Data Mining, August 13-17, 2016, San Francisco, CA, USA (2016) New York, NY KDD '16 (San Francisco, CA) [Konferenzveröffentlichung]

Lamprecht, Daniel ; Dimitrov, Dimitar ; Helic, Denis ; Strohmaier, Markus

Evaluating and improving navigability of Wikipedia: A comparative study of eight language editions.

Wasserman, Anthony I. Article 17 1-10 In: Proceedings of the 12th International Symposium on Open Collaboration, OpenSym 2016 : August 17-19, 2016, Berlin, Germany (2016) New York, NY OpenSym 2016 (Berlin, Germany) [Konferenzveröffentlichung]

Geigl, Florian ; Lerman, Kristina ; Walk, Simon ; Strohmaier, Markus

; Helic, Denis Assessing the navigational effects on click biases and link insertion on the Web. Blustein, James ; Herder, Eelco ; Rubart, Jessica ; Ashman, Helen 37-47 In: HT’16 : proceedings of the 27th ACM Conference on Hypertext and Social Media, July 10–13, 2016, Halifax, Nova Scotia, Canada (2016) New York, NY HT '16 (Halifax, Canada) [Konferenzveröffentlichung]

Geigl, Florian ; Walk, Simon ; Strohmaier, Markus

; Helic, Denis Steering the random surfer on directed webgraphs. Ali, Hesham ; Khazanchi, Deepak ; Shi, Yong 280-287 In: 2016 IEEE/WIC/ACM International Conference on Web Intelligence : WI 2016, Omaha, NE, USA, 13-16 October 2016, proceedings (2016) Piscataway, NJ WI 2016 (Omaha, NE) [Konferenzveröffentlichung]

Walk, Simon ; Singer, Philipp ; Strohmaier, Markus

; Helic, Denis ; Noy, Natalya F. ; Musen, Mark A. (2015) How to apply Markov chains for modeling sequential edit patterns in collaborative ontology-engineering projects. International Journal of Human-Computer Studies : IJHCS Amsterdam [u.a.] 84 51-66 [Zeitschriftenartikel]

Singer, Philipp ; Helic, Denis ; Hotho, Andreas ; Strohmaier, Markus

HypTrails: A Bayesian approach for comparing hypotheses about human trails on the Web. Gangemi, Aldo ; Leonardi, Stefano ; Panconesi, Alessandro ; Gummadi, Krishna P. ; Zhai, ChengXiang 1003-1013 In: WWW '15 : Proceedings of the 24th International Conference on World Wide Web, May 18–22, 2015, Florence, Italy (2015) New York, NY WWW '15 (Florence, Italy) [Konferenzveröffentlichung]

Becker, Martin ; Singer, Philipp ; Lemmerich, Florian ; Hotho, Andreas ; Helic, Denis ; Strohmaier, Markus

Photowalking the city: Comparing hypotheses about urban photo trails on Flickr. Liu, Tie-Yan ; Scollon, Christie Napa ; Zhu, Wenwu Lecture Notes in Computer Science 9471 227-244 In: Social Informatics : 7th International Conference, SocInfo 2015, Beijing, China, December 9–12, 2015, proceedings (2015) Berlin [u.a.] SocInfo 2015 (Beijing, China) [Konferenzveröffentlichung]

Dimitrov, Dimitar ; Singer, Philipp ; Helic, Denis ; Strohmaier, Markus

The role of structural information for designing navigational user interfaces. Yesilada, Yeliz ; Farzan, Rosta ; Houben, Geert-Jan 59-68 In: HT '15 : proceedings of the 26th ACM Conference on Hypertext & Social Media, September 1–4, 2015, Guzelyurt, Northern Cyprus (2015) New York, NY HT '15 (Guzelyurt, Northern Cyprus) [Konferenzveröffentlichung]

Becker, Martin ; Singer, Philipp ; Lemmerich, Florian ; Hotho, Andreas ; Helic, Denis ; Strohmaier, Markus

VizTrails: An information visualization tool for exploring geographic movement trajectories. Yesilada, Yeliz ; Farzan, Rosta ; Houben, Geert-Jan 319-320 In: HT’15 : proceedings of the 26th ACM Conference on Hypertext & Social Media, September 1-4, 2015, Guzelyurt, Northern Cyprus (2015) New York, NY HT '15 (Guzelyurt, Northern Cyprus) [Konferenzveröffentlichung]

Lamprecht, Daniel ; Strohmaier, Markus

; Helic, Denis ; Nyulas, Csongor ; Tudorache, Tania ; Noy, Natalya F. ; Musen, Mark A. (2015) Using ontologies to model human navigation behavior in information networks: A study based on Wikipedia. Semantic Web Amsterdam 6 4 403-422 [Zeitschriftenartikel]

Geigl, Florian ; Lamprecht, Daniel ; Hofmann-Wellenhof, Rainer ; Walk, Simon ; Strohmaier, Markus

; Helic, Denis Random surfers on a web encyclopedia. Lindstaedt, Stefanie ; Ley, Tobias ; Sack, Harald Article 5 1-8 In: Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, i-KNOW 2015 : 21 – 22 October 2015, Graz, Austria (2015) New York, NY i-KNOW '15 (Graz, Austria) [Konferenzveröffentlichung]

Lamprecht, Daniel ; Geigl, Florian ; Karas, Tomas ; Walk, Simon ; Helic, Denis ; Strohmaier, Markus

Improving recommender system navigability through diversification: A case study of IMDb. Lindstaedt, Stefanie ; Ley, Tobias ; Sack, Harald Article 21 1-8 In: Proceedings of the 15th International Conference on Knowledge Technologies and Data-driven Business, i-KNOW 2015 : 21 – 22 October 2015, Graz, Austria (2015) New York, NY i-KNOW 2015 (Graz, Austria) [Konferenzveröffentlichung]

Lamprecht, Daniel ; Helic, Denis ; Strohmaier, Markus

Quo Vadis? On the effects of Wikipedia’s policies on navigation. West, Robert ; Zia, Leila ; Leskovec, Jure Technical report / Association for the Advancement of Artificial Intelligence. WS 15-19 64-66 In: Wikipedia, a Social Pedia: Research Challenges and Opportunities : papers from the 2015 ICWSM workshop [held Tuesday, May 26, 2015 in Oxford, UK] (2015) Palo Alto, Calif. Wikipedia, a Social Pedia: Research Challenges and Opportunities, ICWSM Workshop 2015 (Oxford, UK) [Konferenzveröffentlichung]

Becker, Martin ; Singer, Philipp ; Lemmerich, Florian ; Hotho, Andreas ; Helic, Denis ; Strohmaier, Markus

Analyzing geo-spatial trails: Visualizing and comparing movement hypotheses. Bergmann, Ralph ; Görg, Sebastian ; Müller, Gilbert CEUR Workshop Proceedings 1458 120 In: LWA 2015 : Proceedings of the LWA 2015 Workshops: KDML, FGWM, IR, and FGDB, Trier, Germany, October 7-9, 2015 (2015) Aachen, Germany LWA 2015 (Trier, Germany) [Konferenzveröffentlichung]

Singer, Philipp ; Helic, Denis ; Taraghi, Behnam ; Strohmaier, Markus

(2014) Detecting memory and structure in human navigation patterns using Markov chain models of varying order.

PLOS ONE San Francisco, CA 9 7, Article e102070 1-21 [Zeitschriftenartikel]

Trattner, Christoph ; Helic, Denis ; Strohmaier, Markus

(2014) Tag clouds. Alhajj, Reda ; Rokne, Jon Encyclopedia of social network analysis and mining New York, NY 3. S - Z 2103-2107 [Lexikonartikel]

Lamprecht, Daniel ; Helic, Denis ; Strohmaier, Markus

Navigation dynamics in recommendation networks. (2014) NetSci '14 (Berkeley, CA) [Präsentation auf Konferenz]

Helic, Denis ; Strohmaier, Markus

; Granitzer, Michael ; Scherer, Reinhold Models of human navigation in information networks based on decentralized search. Hotho, Andreas ; Stumme, Gerd 89-98 In: HT ’13 : The proceedings of 24rd ACM Conference on Hypertext and Social Media, May 1-3, 2013, Paris, France (2013) New York, NY HT '13 (Paris, France) [Konferenzveröffentlichung]

Helic, Denis ; Strohmaier, Markus

; Wójcik, Weronika Navigational evaluation of breadth first search spanning trees. Biljanović, Petar ; Butković, Željko ; Skala, Karolj ; Golubić, Stjepan ; Čičin-Šain, Marina ; Sruk, Vlado ; Ribarić, Slobodan ; Hutinski, Željko ; Baranović, Mirta ; Tijan, Edvard ; Mauher, Mladen ; Bombek, Ines 2 998-1003 In: 2013 36th International Convention on Information and Communication Technology, Electronics and Microelectronics (MIPRO), May 20 - 24, 2013, Opatija, Croatia, proceedings (2013) Piscataway, NJ MIPRO 2013 (Opatija, Croatia) [Konferenzveröffentlichung]

Strohmaier, Markus

; Helic, Denis ; Benz, Dominik ; Körner, Christian ; Kern, Roman (2012) Evaluation of folksonomy induction algorithms. ACM Transactions on Intelligent Systems and Technology : TIST New York, NY 3 4, Article 74 1-22 [Zeitschriftenartikel]

Trattner, Christoph ; Singer, Philipp ; Helic, Denis ; Strohmaier, Markus

Exploring the differences and similarities between hierarchical decentralized search and human navigation in information networks. Lindstaedt, Stefanie ; Granitzer, Michael Article 14 1-8 In: Proceedings of the 12th International Conference on Knowledge Management and Knowledge Technologies, i-KNOW 2012, 5 – 7 September 2012, Graz, Austria (2012) New York, NY i-KNOW 2012 (Graz, Austria) [Konferenzveröffentlichung]

Helic, Denis ; Körner, Christian ; Granitzer, Michael ; Strohmaier, Markus

; Trattner, Christoph Navigational efficiency of broad vs. narrow folksonomies. Munson, Ethan ; Strohmaier, Markus

63-72 In: HT ’12 : The Proceedings of 23rd ACM Conference on Hypertext and Social Media, June 25–28, 2012, Milwaukee, WI, USA (2012) New York, NY HT '12 (Milwaukee, WI) [Konferenzveröffentlichung]

Singer, Philipp ; Wagner, Claudia ; Strohmaier, Markus

Factors influencing the co-evolution of social and content networks in online social media. Atzmueller, Martin ; Chin, Alvin ; Helic, Denis ; Hotho, Andreas Lecture Notes in Computer Science 7472 40-59 In: Modeling and Mining Ubiquitous Social Media : international workshops MSM 2011, Boston, MA, USA, October 9, 2011, and MUSE 2011, Athens, Greece, September 5, 2011, revised selected papers (2012) Berlin [u.a.] MSM 2011 (Boston, MA) [Konferenzveröffentlichung]

Helic, Denis ; Trattner, Christoph ; Strohmaier, Markus

; Andrews, Keith (2011) Are tag clouds useful for navigation? A network-theoretic analysis. International Journal of Social and Cyber-Physical Systems Cointrin 1 1 33-55 [Zeitschriftenartikel]

Helic, Denis ; Strohmaier, Markus

; Trattner, Christoph ; Muhr, Markus ; Lerman, Kristina Pragmatic evaluation of folksonomies. Sadagopan, Sowmyanarayanan ; Ramamritham, Krithi ; Kumar, Arun ; Ravindra, M. P. ; Bertino, Elisa ; Kumar, Ravi 417-426 In: WWW '11 : Proceedings of the 20th International Conference on World Wide Web, March 28 - April 1, 2011, Hyderabad, India (2011) New York, NY WWW '11 (Hyderabad, India) [Konferenzveröffentlichung]

Helic, Denis ; Strohmaier, Markus

Building directories for social tagging systems. Ounis, Iadh ; Ruthven, Ian ; Berendt, Bettina ; Vries, Arjen de ; Fan, Wenfei 525-534 In: CIKM '11 : Proceedings of the 2011 ACM International Conference on Information and Knowledge Management, October 24–28, 2011, Glasgow, Scotland, UK (2011) New York, NY CIKM '11 (Glasgow, UK) [Konferenzveröffentlichung]

Helic, Denis ; Wilhelm, Sebastian ; Hasani-Mavriqi, Ilire ; Strohmaier, Markus

The effects of navigation tools on the navigability of web-based information systems. Lindstaedt, Stefanie ; Granitzer, Michael Article 16 1-8 In: Proceedings of the 11th International Conference on Knowledge Management and Knowledge Technologies, i-KNOW 2011 : 7-9 September 2011, Graz, Austria (2011) New York, NY i-KNOW 2011 (Graz, Austria) [Konferenzveröffentlichung]

Trattner, Christoph ; Helic, Denis ; Strohmaier, Markus

(2011) On the construction of efficiently navigable tag clouds using knowledge from structured web content. Journal of Universal Computer Science : J.UCS Graz 17 4 565-582 [Zeitschriftenartikel]

Helic, Denis ; Trattner, Christoph ; Strohmaier, Markus

; Andrews, Keith On the navigability of social tagging systems. 1 161-168 In: 2010 IEEE Second International Conference on Social Computing (SocialCom 2010) : Minneapolis, Minnesota, USA, August 20-22, 2010 (2010) Red Hook, NY SocialCom 2010 (Minneapolis, MI) [Konferenzveröffentlichung]

Trattner, Christoph ; Helic, Denis ; Strohmaier, Markus

Improving navigability of hierarchically-structured encyclopedias through effective tag cloud construction. Tochtermann, Klaus ; Maurer, Hermann 363-370 In: Proceedings of I-KNOW 2010 : 10th International Conference on Knowledge Management and Knowledge Technologies Graz, Austria, September 1 – 3, 2010 (2010) Graz I-KNOW 2010 (Graz, Austria) [Konferenzveröffentlichung]

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