Search results for "Folksonomies"

Hits ?▲	Authors	Title	Venue	Year	Link	Author keywords
96	Gaofeng Zhang, Zhiyi Qu, Adi Guo	Using Folksonomies to Improve Peer-to-Peer Knowledge Sharing.	ISIP	2008	DBLP DOI BibTeX RDF	Peer-to-Peer, semantics, Knowledge Sharing, Folksonomies
90	Mathias Lux, Michael Granitzer, Roman Kern	Aspects of Broad Folksonomies.	DEXA Workshops	2007	DBLP DOI BibTeX RDF
81	Céline Van Damme, Stijn Christiaens, Damien Trog	Methodological Approach to Determine Appropriately Annotated Resources in Narrow Folksonomies.	OTM Workshops	2008	DBLP DOI BibTeX RDF	narrow folksonomies, information retrieval, tags, quality
71	Andriy Shepitsen, Jonathan Gemmell, Bamshad Mobasher, Robin D. Burke	Personalized recommendation in social tagging systems using hierarchical clustering.	RecSys	2008	DBLP DOI BibTeX RDF	clustering, recommender systems, personalization, collaborative tagging
67	Sofia Angeletou, Marta Sabou, Enrico Motta	Improving search in folksonomies: a task based comparison of WordNet and ontologies.	K-CAP	2009	DBLP DOI BibTeX RDF	enrichment, ontologies, search, folksonomies, WordNet
67	Rabeeh Abbasi, Steffen Staab	RichVSM: enRiched vector space models for folksonomies.	Hypertext	2009	DBLP DOI BibTeX RDF	sparseness reduction, information retrieval, search, tagging, smoothing, folksonomies, vector space model, vector space models
62	Robert Wetzker, Carsten Zimmermann, Christian Bauckhage, Sahin Albayrak	I tag, you tag: translating tags for advanced user models.	WSDM	2010	DBLP DOI BibTeX RDF	user modeling, tagging, folksonomies, social search, tag recommendation
62	Christina Papakonstantinou, Ioannis Panagiotou, Fons J. Verbeek	The TicTag application: towards tag-based meta-search for browsing the web.	BCS HCI	2009	DBLP BibTeX RDF	user interfaces, web search, tags, experimentation, folksonomies, keywords
62	Fabian Abel	The benefit of additional semantics in folksonomy systems.	PIKM	2008	DBLP DOI BibTeX RDF	folkrank, grank, groupme!, moat, semantic web, search, ranking, social media, folksonomies, linked data, hits
62	Hong-Gee Kim, Suk-hyung Hwang, Yu-Kyung Kang, Hak Lae Kim, Hae Sool Yang	An Agent Environment for Contextualizing Folksonomies in a Triadic Context.	KES-AMSTA	2007	DBLP DOI BibTeX RDF
62	Csaba Veres	The Language of Folksonomies: What Tags Reveal About User Classification.	NLDB	2006	DBLP DOI BibTeX RDF
53	Anon Plangprasopchok, Kristina Lerman, Lise Getoor	Growing a tree in the forest: constructing folksonomies by integrating structured metadata.	KDD	2010	DBLP DOI BibTeX RDF	relational clustering, social metadata, data mining, taxonomies, folksonomies, collective knowledge, social information processing
53	Francisco Echarte, José Javier Astrain, Alberto Córdoba, Jesús E. Villadangos	Improving folksonomies quality by syntactic tag variations grouping.	SAC	2009	DBLP DOI BibTeX RDF	semantic web, fuzzy logic, pattern matching, folksonomies
53	Anon Plangprasopchok, Kristina Lerman	Constructing folksonomies from user-specified relations on flickr.	WWW	2009	DBLP DOI BibTeX RDF	data mining, taxonomies, folksonomies, collective knowledge, social information processing
53	Francisco Echarte, José Javier Astrain, Alberto Córdoba, Jesús E. Villadangos	Pattern Matching Techniques to Identify Syntactic Variations of Tags in Folksonomies.	WSKS (1)	2008	DBLP DOI BibTeX RDF	Semantic Web, Annotations, Pattern Matching, Folksonomies
48	Markus Krause, Hidir Aras	Playful tagging: folksonomy generation using online games.	WWW	2009	DBLP DOI BibTeX RDF	human-based computation, folksonomies, social tagging, games with a purpose
48	José Javier Astrain, Francisco Echarte, Alberto Córdoba, Jesús E. Villadangos	A Tag Clustering Method to Deal with Syntactic Variations on Collaborative Social Networks.	ICWE	2009	DBLP DOI BibTeX RDF	Tag Annotation, Folksonomies, Fuzzy similarity, Tag Clustering
48	Andrea Capocci, Andrea Baldassarri, Vito Domenico Pietro Servedio, Vittorio Loreto	Statistical properties of inter-arrival times distribution in social tagging systems.	Hypertext	2009	DBLP DOI BibTeX RDF	semiotic dynamics, folksonomies, small worlds, semiotics
48	Fabian Abel, Nicola Henze, Daniel Krause 0002, Matthias Kriesell	On the Effect of Group Structures on Ranking Strategies in Folksonomies.	Weaving Services and People on the World Wide Web	2008	DBLP DOI BibTeX RDF
48	Hao Zheng 0003, Xian Wu, Yong Yu 0001	Enriching WordNet with Folksonomies.	PAKDD	2008	DBLP DOI BibTeX RDF	Folksonomy, WordNet, Social Annotation
48	Martin Szomszor, Iván Cantador, Harith Alani	Correlating user profiles from multiple folksonomies.	Hypertext	2008	DBLP DOI BibTeX RDF	folksonomy-alignment, tag-filtering, user profiling, web2.0
48	Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt	Tag Meaning Disambiguation through Analysis of Tripartite Structure of Folksonomies.	Web Intelligence/IAT Workshops	2007	DBLP DOI BibTeX RDF
48	Lei Zhang 0007, Xian Wu, Yong Yu 0001	Emergent Semantics from Folksonomies: A Quantitative Study.	J. Data Semantics	2006	DBLP DOI BibTeX RDF
48	Andreas Hotho, Robert Jäschke, Christoph Schmitz 0001, Gerd Stumme	Information Retrieval in Folksonomies: Search and Ranking.	ESWC	2006	DBLP DOI BibTeX RDF
48	Andreas Hotho, Robert Jäschke, Christoph Schmitz 0001, Gerd Stumme	Trend Detection in Folksonomies.	SAMT	2006	DBLP DOI BibTeX RDF
43	Kwan Yi	Mining a Web2.0 Service for the Discovery of Semantically Similar Terms: A Case Study with Del.icio.us.	ICADL	2008	DBLP DOI BibTeX RDF
43	Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt	Multiple Interests of Users in Collaborative Tagging Systems.	Weaving Services and People on the World Wide Web	2008	DBLP DOI BibTeX RDF
43	Christopher Thomas 0001, Pankaj Mehra, Roger Brooks, Amit P. Sheth	Growing Fields of Interest - Using an Expand and Reduce Strategy for Domain Model Extraction.	Web Intelligence	2008	DBLP DOI BibTeX RDF
43	Csaba Veres	Concept Modeling by the Masses: Folksonomy Structure and Interoperability.	ER	2006	DBLP DOI BibTeX RDF	concept modeling, interoperability, tagging, folksonomy, Web2.0
39	Anon Plangprasopchok, Kristina Lerman, Lise Getoor	Constructing folksonomies by integrating structured metadata.	WWW	2010	DBLP DOI BibTeX RDF	data mining, folksonomies, collective knowledge
39	Rossano Schifanella, Alain Barrat, Ciro Cattuto, Benjamin Markines, Filippo Menczer	Folks in Folksonomies: social link prediction from shared metadata.	WSDM	2010	DBLP DOI BibTeX RDF	lexical and topical alignment, maximum information path, social semantic similarity, social network, web 2.0, social media, folksonomies, collaborative tagging, link prediction
39	Jonathan Gemmell, Maryam Ramezani 0001, Thomas Schimoler, Laura Christiansen, Bamshad Mobasher	The impact of ambiguity and redundancy on tag recommendation in folksonomies.	RecSys	2009	DBLP DOI BibTeX RDF	recommender system, redundancy, folksonomies, ambiguity
39	Fabian Abel, Matteo Baldoni, Cristina Baroglio, Nicola Henze, Daniel Krause 0002, Viviana Patti	Context-based ranking in folksonomies.	Hypertext	2009	DBLP DOI BibTeX RDF	adaptation, search, context, ranking, social media, folksonomies
39	Margaret-Anne D. Storey	Navigating documents using ontologies, taxonomies and folksonomies.	ACM Symposium on Document Engineering	2007	DBLP DOI BibTeX RDF	waypoints, ontologies, visualization, taxonomies, folksonomies, document navigation
39	Tahar-Rafik Boudiba	Modèles neuronaux de recommandation basés sur les folksonomies. (Neural recommendation models based on folksonomies).		2022	RDF
39	Corey Brian Jackson, Kevin Crowston, Carsten S. Østerlund, Mahboobeh Harandi	Folksonomies to Support Coordination and Coordination of Folksonomies.	Comput. Support. Cooperative Work.	2018	DBLP DOI BibTeX RDF
39	Mohamed Nader Jelassi	Un système personnalisé de recommandation à partir de concepts quadratiques dans les folksonomies. (A personalized recommentder system based on quadri-concepts in folksonomies).		2016	RDF
39	Maxime Crepel	Tagging et folksonomies : pragmatique de l'orientation sur le Web. (Tagging and Folksonomies : pragmatics of orientation on the Web).		2011	RDF
34	Marek Lipczak, Evangelos E. Milios	The impact of resource title on tags in collaborative tagging systems.	HT	2010	DBLP DOI BibTeX RDF	modelling, folksonomies, collaborative tagging
34	Fabian Abel, Nicola Henze, Daniel Krause 0002	Groupme!	WWW	2008	DBLP DOI BibTeX RDF	groupme!, search, ranking, social media, folksonomies
34	Eric Bouillet, Mark Feblowitz, Hanhua Feng, Zhen Liu 0001, Anand Ranganathan, Anton Riabov	A Folksonomy-Based Model of Web Services for Discovery and Automatic Composition.	IEEE SCC (1)	2008	DBLP DOI BibTeX RDF	Web 2.0, Planning, Composition, Tags, Services, Folksonomies, Discovery
34	Megan Vazey	Stochastic Foundations for the Case-Driven Acquisition of Classification Rules.	EKAW	2006	DBLP DOI BibTeX RDF	Colla-borative Tagging, Machine Learning, Knowledge Based Systems, Expert Systems, Knowledge Acquisition, Case Based Reasoning, Folksonomies, Knowledge Discovery in Databases, Group Decision Support Systems, Ripple Down Rules
33	Nicola Raffaele Di Matteo, Silvio Peroni, Fabio Tamburini, Fabio Vitali	Of mice and terms: clustering algorithms on ambiguous terms in folksonomies.	SAC	2010	DBLP DOI BibTeX RDF	FolksEngine, INFOMAP-NLP, RDF, folksonomy, wordnet, web search engine, delicious
33	Stefanie N. Lindstaedt, Roland Mörzinger, Robert Sorschag, Viktoria Pammer, Georg Thallinger	Automatic image annotation using visual content and folksonomies.	Multim. Tools Appl.	2009	DBLP DOI BibTeX RDF	Auto-annotation, Classification, Image retrieval, Tagging
33	José San Pedro, Stefan Siersdorfer	Ranking and classifying attractiveness of photos in folksonomies.	WWW	2009	DBLP DOI BibTeX RDF	attractiveness features, folksonomy feedback, photo appeal, classification, web 2.0, ranking, image analysis
33	Huairen Lin, Joseph G. Davis, Ying Zhou	An Integrated Approach to Extracting Ontological Structures from Folksonomies.	ESWC	2009	DBLP DOI BibTeX RDF	Ontological structure, Collaborative tagging system, Folksonomy
33	Stefan Siersdorfer, Sergej Sizov	Social recommender systems for web 2.0 folksonomies.	Hypertext	2009	DBLP DOI BibTeX RDF	web 2.0, social media, folksonomy, social recommenders
33	Christian Wartena, Rogier Brussee	Instanced-Based Mapping between Thesauri and Folksonomies.	ISWC	2008	DBLP DOI BibTeX RDF
33	Jonathan Gemmell, Andriy Shepitsen, Bamshad Mobasher, Robin D. Burke	Personalizing Navigation in Folksonomies Using Hierarchical Tag Clustering.	DaWaK	2008	DBLP DOI BibTeX RDF	personalization, hierarchical clustering, collaborative tagging
33	Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt	Collective User Behaviour and Tag Contextualisation in Folksonomies.	Web Intelligence/IAT Workshops	2008	DBLP DOI BibTeX RDF
33	Ching-man Au Yeung, Nicholas Gibbins, Nigel Shadbolt	Mutual Contextualization in Tripartite Graphs of Folksonomies.	ISWC/ASWC	2007	DBLP DOI BibTeX RDF
33	Domenico Gendarmi, Filippo Lanubile	Community-Driven Ontology Evolution Based on Folksonomies.	OTM Workshops (1)	2006	DBLP DOI BibTeX RDF	semantic collaboration, semantic web, folksonomy, social software, collaborative tagging, ontology evolution
33	Harris Wu, Mohammad Zubair, Kurt Maly	Harvesting social knowledge from folksonomies.	Hypertext	2006	DBLP DOI BibTeX RDF	collaborative filtering, link analysis, collaborative tagging
28	Bin Bi, Lifeng Shang, Ben Kao	Collaborative resource discovery in social tagging systems.	CIKM	2009	DBLP DOI BibTeX RDF	lsi, svd, tucker decomposition, search, social tagging, tensor
28	Benjamin Markines, Ciro Cattuto, Filippo Menczer, Dominik Benz, Andreas Hotho, Gerd Stumme	Evaluating similarity measures for emergent semantics of social tagging.	WWW	2009	DBLP DOI BibTeX RDF	semantic grounding, social similarity, web 2.0, ontology learning
28	Sofia Angeletou, Marta Sabou, Enrico Motta	Folksonomy Enrichment and Search.	ESWC	2009	DBLP DOI BibTeX RDF
28	Martin Szomszor, Harith Alani, Iván Cantador, Kieron O'Hara, Nigel Shadbolt	Semantic Modelling of User Interests Based on Cross-Folksonomy Analysis.	ISWC	2008	DBLP DOI BibTeX RDF
28	Beate Krause, Robert Jäschke, Andreas Hotho, Gerd Stumme	Logsonomy - social information retrieval with logdata.	Hypertext	2008	DBLP DOI BibTeX RDF	logsonomy, search engine, folksonomy, query log analysis
28	Christoph Schlieder	Modeling Collaborative Semantics with a Geographic Recommender.	ER Workshops	2007	DBLP DOI BibTeX RDF	Subject areas Spatio-temporal ontologies and reasoning, capture of spatial semantics, extraction, Definition, elicitation
28	John C. Paolillo, Shashikant Penumarthy	The Social Structure of Tagging Internet Video on del.icio.us.	HICSS	2007	DBLP DOI BibTeX RDF
28	Hend S. Al-Khalifa, Hugh C. Davis	Towards better understanding of folksonomic patterns.	Hypertext	2007	DBLP DOI BibTeX RDF	folksonomy, collaborative tagging, social bookmarking
20	Christian Körner, Dominik Benz, Andreas Hotho, Markus Strohmaier, Gerd Stumme	Stop thinking, start tagging: tag semantics emerge from collaborative verbosity.	WWW	2010	DBLP DOI BibTeX RDF	semantics, tagging, folksonomies, pragmatics, user characteristics
20	Clemens Heidinger, Erik Buchmann, Klemens Böhm	Collaborative data privacy for the web.	EDBT/ICDT Workshops	2010	DBLP DOI BibTeX RDF	privacy, folksonomies
20	Charlie Hargood, David E. Millard, Mark J. Weal	A semiotic approach for the generation of themed photo narratives.	HT	2010	DBLP DOI BibTeX RDF	thematics, folksonomies, narrative, semiotics, narrative generation
20	Fabian Abel, Ricardo Kawase, Daniel Krause 0002	Leveraging multi-faceted tagging to improve search in folksonomy systems.	HT	2010	DBLP DOI BibTeX RDF	faceted tagging, search, context, ranking, social media, folksonomies
20	Folke Mitzlaff, Dominik Benz, Gerd Stumme, Andreas Hotho	Visit me, click me, be my friend: an analysis of evidence networks of user relationships in BibSonomy.	HT	2010	DBLP DOI BibTeX RDF	user recommendation, social networks, folksonomies, community detection
20	Koraljka Golub, Jim Moon, Douglas Tudhope, Catherine Mary Jones, Brian Matthews, Bartlomiej Puzon, Marianne Lykke Nielsen	EnTag: enhancing social tagging for discovery.	JCDL	2009	DBLP DOI BibTeX RDF	ACM computing classification scheme, dewey decimal classification, intute, subject indexing, folksonomies, social tagging, controlled vocabularies, institutional repository, digital collection
20	Steven R. Ness, Anthony Theocharis, George Tzanetakis, Luis Gustavo Martins	Improving automatic music tag annotation using stacked generalization of probabilistic SVM outputs.	ACM Multimedia	2009	DBLP DOI BibTeX RDF	tags, folksonomies, music information retrieval, music recommendation, sound analysis
20	Francisco Echarte, José Javier Astrain, Alberto Córdoba, Jesús E. Villadangos, Aritz Labat	ACoAR: a method for the automatic classification of annotated resources.	K-CAP	2009	DBLP DOI BibTeX RDF	ontologies, classification, semantic web, folksonomies
20	Edoardo Acotto, Matteo Baldoni, Cristina Baroglio, Viviana Patti, Flavio Portis, Giorgio Vaccarino	ArsMeteo: artworks and tags floating over the planet art.	Hypertext	2009	DBLP DOI BibTeX RDF	web 2.0, folksonomies, digital communities, net art
20	Charlie Hargood, David E. Millard, Mark J. Weal	Using a thematic model to enrich photo montages.	Hypertext	2009	DBLP DOI BibTeX RDF	thematics, folksonomies, narrative, narrative generation
20	Markus Strohmaier, Mark Kröll, Christian Körner	Automatically annotating textual resources with human intentions.	Hypertext	2009	DBLP DOI BibTeX RDF	automatic tag generation, folksonomies, human intentions
20	Fabian Abel, Nicola Henze, Daniel Krause 0002	Ranking in folksonomy systems: can context help?	CIKM	2008	DBLP DOI BibTeX RDF	groupme!, recommender systems, search, ranking, social media, folksonomies
20	Jelena Jovanovic 0001, Carlo Torniai, Dragan Gasevic, Scott Bateman, Marek Hatala	Leveraging the Social Semantic Web in Intelligent Tutoring Systems.	Intelligent Tutoring Systems	2008	DBLP DOI BibTeX RDF	Ontologies, Semantic Web, E-learning, Folksonomies, Intelligent Tutoring Systems, Social Web
20	Ingolf Geist, Stephan Vornholt	Management of User-Defined Meta Information for Virtual Product Development.	DEXA Workshops	2008	DBLP DOI BibTeX RDF	Virtual Product, Folksonomies, Virtual Engineering
20	Beate Krause, Andreas Hotho, Gerd Stumme	A Comparison of Social Bookmarking with Traditional Search.	ECIR	2008	DBLP DOI BibTeX RDF	search engines, ranking, folksonomies, social search
20	David R. Millen, Jonathan Feinberg, Bernard Kerr	Dogear: Social bookmarking in the enterprise.	CHI	2006	DBLP DOI BibTeX RDF	tags, folksonomies, social software, social bookmarking
19	Debbie Ging, Theo Lynn, Pierangelo Rosati	Neologising misogyny: Urban Dictionary's folksonomies of sexual abuse.	New Media Soc.	2020	DBLP DOI BibTeX RDF
19	Gregory Moro Puppi Wanderley, Emerson Cabrera Paraiso	Using Linguistic Context to Learn Folksonomies from Task-Oriented Dialogues.	FLAIRS	2019	DBLP BibTeX RDF
19	Philipp Singer, Thomas Niebler, Andreas Hotho, Markus Strohmaier	Folksonomies.	Encyclopedia of Social Network Analysis and Mining. 2nd Ed.	2018	DBLP DOI BibTeX RDF
19	Chris Holstrom	Social Tagging: Organic and Retroactive Folksonomies.	JCDL	2018	DBLP DOI BibTeX RDF
19	Iman Saleh 0001, Neamat El-Tazi	Finding Semantic Relationships in Folksonomies.	WI	2018	DBLP DOI BibTeX RDF
19	Melissa G. Ocepek, Julia Bullard, Jenna Hartel, Eric Forcier, Sarah Polkinghorne, Ludi Price	Fandom, food, and folksonomies: The methodological realities of studying fun life-contexts.	ASIST	2018	DBLP DOI BibTeX RDF
19	Mohamed Nader Jelassi, Sadok Ben Yahia, Engelbert Mephu Nguifo	PersoRec : un système personnalisé de recommandations pour les folksonomies basé sur les concepts quadratiques.	EGC	2016	DBLP BibTeX RDF
19	Dimitrios Pappas, Iraklis Paraskakis	Adaptive knowledge retrieval using semantically enriched folksonomies.	SMAP	2016	DBLP DOI BibTeX RDF
19	Mohamed Nader Jelassi, Sadok Ben Yahia, Engelbert Mephu Nguifo	Étude du profil utilisateur pour la recommandation dans les folksonomies.	IC	2016	DBLP BibTeX RDF
19	Mohamed Nader Jelassi, Sadok Ben Yahia, Engelbert Mephu Nguifo	PERSOREC : un système personnalisé de recommandations pour les folksonomies basé sur les concepts quadratiques.	IC	2016	DBLP BibTeX RDF
19	Samia Beldjoudi, Hassina Seridi, Abdallah Benzine	Améliorer la Recommandation de Ressources dans les Folksonomies par l'Utilisation de Linked Open Data.	IC	2016	DBLP BibTeX RDF
19	Manuel Caeiro Rodríguez, Juan M. Santos-Gago, Manuel Lama, Martín Llamas Nistal	A Keyword Recommendation Experiment to Support Information Organization and Folksonomies in Edu-AREA.	Rev. Iberoam. de Tecnol. del Aprendiz.	2015	DBLP DOI BibTeX RDF
19	Raymond Y. K. Lau, J. Leon Zhao, Wenping Zhang, Yi Cai 0001, Eric W. T. Ngai	Learning Context-Sensitive Domain Ontologies from Folksonomies: A Cognitively Motivated Method.	INFORMS J. Comput.	2015	DBLP DOI BibTeX RDF
19	Antonela Tommasel, Daniela Godoy	Semantic grounding of social annotations for enhancing resource classification in folksonomies.	J. Intell. Inf. Syst.	2015	DBLP DOI BibTeX RDF
19	Andrés García-Silva, Leyla Jael García Castro, Alexander García Castro, Óscar Corcho	Building Domain Ontologies Out of Folksonomies and Linked Data.	Int. J. Artif. Intell. Tools	2015	DBLP DOI BibTeX RDF
19	Mohamed Nader Jelassi, Sadok Ben Yahia, Engelbert Mephu Nguifo	Towards more targeted recommendations in folksonomies.	Soc. Netw. Anal. Min.	2015	DBLP DOI BibTeX RDF
19	Gregory Wanderley, Emerson Cabrera Paraiso	Learning Folksonomies for Trend Detection in Task-Oriented Dialogues.	SEKE	2015	DBLP DOI BibTeX RDF
19	Gregory Moro Puppi Wanderley, Emerson Cabrera Paraiso	Learning folksonomies from task-oriented dialogues.	SAC	2015	DBLP DOI BibTeX RDF
19	Alex Sandro da Cunha Rego, Leandro Balby Marinho, Carlos Eduardo S. Pires	A supervised learning approach to detect subsumption relations between tags in folksonomies.	SAC	2015	DBLP DOI BibTeX RDF
19	Takuya Kitazawa, Masahide Sugiyama	User Modeling in Folksonomies: Relational Clustering and Tag Weighting.	WIMS	2015	DBLP DOI BibTeX RDF
19	Josiane M. P. Ferreira, Cesar A. Tacla, Emerson Cabrera Paraiso	Are folksonomies shared conceptualizations?	CSCWD	2015	DBLP DOI BibTeX RDF
19	Mohamed Nader Jelassi, Sadok Ben Yahia, Engelbert Mephu Nguifo	PERSOREC : un système personnalisé de recommandations pour les folksonomies basé sur les concepts quadratiques.	IC	2015	DBLP BibTeX RDF
19	Dominik Kowald, Elisabeth Lex	Evaluating Tag Recommender Algorithms in Real-World Folksonomies: A Comparative Study.	RecSys	2015	DBLP DOI BibTeX RDF