%0 
%0 Conference Proceedings
%A Mitzlaff, Folke; Doerfel, Stephan; Hotho, Andreas; Jäschke, Robert & Mueller, Juergen
%D 2014
%T Summary of the 15th Discovery Challenge: Recommending Given Names
%E 
%B 15th Discovery Challenge of the European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in Databases, ECML PKDD 2013, Prague, Czech Republic - Sctober 27, 2013. Proceedings
%C Aachen, Germany
%I CEUR-WS
%V 1120
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%P 7--24
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%F mitzlaff2014summary
%K 2014, ECMLPKDD, KDE, RecSys, inproceedings, myown, nameling, summary, workshop
%X The 15th ECML PKDD Discovery Challenge centered around the recommendation
 of given names. Participants of the challenge implemented algorithms
 that were tested both offline - on data collected by the name search
 engine Nameling - and online within Nameling. Here, we describe both
 tasks in detail and discuss the publicly available datasets. We motivate
 and explain the chosen evaluation of the challenge, and we summarize
 the different approaches applied to the name recommendation tasks.
 Finally, we present the rankings and winners of the offline and the
 online phase.
%Z 
%U http://ceur-ws.org/Vol-1120/
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%0 
%0 Book Section
%A Atzmueller, Martin; Doerfel, Stephan; Hotho, Andreas; Mitzlaff, Folke & Stumme, Gerd
%D 2012
%T Face-to-Face Contacts at a Conference: Dynamics of Communities and Roles
%E 
%B {Modeling and Mining Ubiquitous Social Media}
%C Heidelberg, Germany
%I Springer Verlag
%V 7472
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%S LNAI
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%F atzmueller2012facetoface
%K 2012, conference, contacts, dynamics, face, intelligence, itegpub, kde, mining, myown, social, ubiquitous, venus, venuspub
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%Z 
%U 
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%0 Conference Proceedings
%A Atzmueller, Martin; Doerfel, Stephan; Hotho, Andreas; Mitzlaff, Folke & Stumme, Gerd
%D 2011
%T Face-to-Face Contacts during LWA 2010 - Communities, Roles, and Key Players
%E 
%B Working Notes of the LWA 2011 - Learning, Knowledge, Adaptation
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%F atzmueller2011facetoface
%K 2011, analysis, contacts, face, itegpub, kde, lwa, myown, venus, venuspub
%X 
%Z 
%U 
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%0 
%0 Conference Proceedings
%A Rendle, Steffen & Schmidt-Thieme, Lars
%D 2009
%T Factor Models for Tag Recommendation in BibSonomy
%E Eisterlehner, Folke; Hotho, Andreas & Jäschke, Robert
%B ECML PKDD Discovery Challenge 2009 (DC09)
%C Bled, Slovenia
%I CEUR Workshop Proceedings
%V 497
%6
%N 
%P 235--242
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%8 September
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%F marinho:ecml2009
%K 3d, folksonomy, kde, recommender, social, tensor
%X This paper describes our approach to the ECML/PKDD Discovery Challenge 2009. Our approach is a pure statistical model taking no content information into account. It tries to find latent interactions between users, items and tags by factorizing the observed tagging data. The factorization model is learned by the Bayesian Personal Ranking method (BPR) which is inspired by a Bayesian analysis of personalized ranking with missing data. To prevent overfitting, we ensemble the models over several iterations and hyperparameters. Finally, we enhance the top-n lists by estimating how many tags to recommend.
%Z 
%U http://sunsite.informatik.rwth-aachen.de/Publications/CEUR-WS/Vol-497/
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%0 
%0 Conference Proceedings
%A Hotho, Andreas; Jäschke, Robert; Schmitz, Christoph & Stumme, Gerd
%D 2006
%T BibSonomy: A Social Bookmark and Publication Sharing System
%E de Moor, Aldo; Polovina, Simon & Delugach, Harry
%B Proceedings of the First Conceptual Structures Tool Interoperability Workshop at the 14th International Conference on Conceptual Structures
%C Aalborg
%I Aalborg Universitetsforlag
%V 
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%N 
%P 87-102
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%F hotho2006bibsonomy
%K 2006, BibSonomy, bookmark, description, folksonomy, kde, reference, social, system, tutorial
%X Social bookmark tools are rapidly emerging on the Web. In such systems users are setting up lightweight conceptual structures called folksonomies. The reason for their immediate success is the fact that no specific skills are needed for participating. In this paper we specify a formal model for folksonomies and briefly describe  our own system BibSonomy, which allows for sharing both bookmarks and publication references in a kind of personal library.
%Z 
%U http://www.kde.cs.uni-kassel.de/stumme/papers/2006/hotho2006bibsonomy.pdf
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%^