Contact

Fabian @ XING
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Publications

Fabian @ DBLP
Fabian @ Google scholar

Twitcident

Twitcident Research
Twitcident @ Twitter

FOAF

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I am data scientist at XING in Hamburg, Germany, and support the Web Information Systems team headed by Geert-Jan Houben at TU Delft, the Netherlands.

See also: publications listed DBLP

2012

1. Fabian Abel, Claudia Hauff, Geert-Jan Houben, Richard Stronkman, Ke Tao. Semantics + Filtering + Search = Twitcident. Exploring Information in Social Web Streams. In Proceedings of International Conference on Hypertext and Social Media (Hypertext), Milwaukee, USA, 2012 [bib, pdf]
2. Fabian Abel, Claudia Hauff, Geert-Jan Houben, Richard Stronkman, Ke Tao. Twitcident: Fighting Fire with Information from Social Web Stream. In Proceedings of International Conference on World Wide Web (WWW), Lyon, France, 2012 [bib, pdf]
3. Fabian Abel, Eelco Herder, Geert-Jan Houben, Nicola Henze, Daniel Krause. Cross-system User Modeling and Personalization on the Social Web. In P. Brusilovski, D. Chin (eds.): User Modeling and User-Adapted Interaction (UMUAI), Special Issue on Personalization in Social Web Systems, 2012 [bib]
4. Fabian Abel, Geert-Jan Houben. Engineering the Personal Social Semantic Web. In A. Harth and N. Koch (eds.): Current Trends in Web Engineering, Springer, 2012 [bib, pdf]
5. More: publications listed DBLP

2011

1. Qi Gao, Fabian Abel, Geert-Jan Houben. GeniUS: Generic User Modeling Library for the Social Semantic Web. In Proceedings of Joint International Technology Conference (JIST), Hangzhou, China, December 2011 [bib, pdf]
2. Ke Tao, Fabian Abel, Claudia Hauff. WISTUD at TREC 2011: Microblog Track. Working Notes Paper. In Proceedings of Text REtrieval Conference (TREC), Gaithersburg, USA, November 2011 [bib, pdf]
3. Fabian Abel, Ilknur Celik, Geert-Jan Houben, Patrick Siehndel. Leveraging the Semantics of Tweets for Adaptive Faceted Search on Twitter. In Proceedings of 10th International Semantic Web Conference (ISWC), Bonn, Germany, October 2011 [bib, pdf]
4. Ricardo Kawase, George Papadakis, Fabian Abel. Generating Resource Profiles by Exploiting the Context of Social Annotations. In Proceedings of 10th International Semantic Web Conference (ISWC), Bonn, Germany, November 2011 [bib, pdf]
5. Qi Gao, Fabian Abel, Geert-Jan Houben, Ke Tao. Interweaving Trend and User Modeling for Personalized News Recommendation. In Proceedings of IEEE/WIC/ACM International Conference on Web Intelligence (WI), Lyon, France, August 2011 [bib, pdf]
6. Fabian Abel, Qi Gao, Geert-Jan Houben, Ke Tao. Analyzing User Modeling on Twitter for Personalized News Recommendations. In Proceedings of International Conference on User Modeling, Adaptation and Personalization (UMAP), Girona, Spain, July 2011 [bib, pdf]
7. Ilknur Celik, Fabian Abel, Patrick Siehndel. Adaptive Faceted Search on Twitter. In Proceedings of International Workshop on Semantic Adaptive Social Web (SASWeb), in connection with UMAP, Girona, Spain, July 2011 [bib, pdf]
8. Fabian Abel, Eelco Herder, Daniel Krause. Extraction of Professional Interests from Social Web Profiles. In Proceedings of International Workshop on Augmenting User Models with Real World Experiences to Enhance Personalization and Adaptation (AUM), in connection with UMAP, Girona, Spain, July 2011 [bib, pdf]
9. Tereza Iofciu, Peter Fankhauser, Fabian Abel, Kerstin Bischoff. Identifying Users Across Social Tagging Systems. In Proceedings of International Conference on Weblogs and Social Media (ICWSM), Barcelona, Spain, July 2011 [bib, pdf]
10. Fabian Abel, Samur Aurojo, Qi Gao, Geert-Jan Houben. Analyzing Cross-System User Modeling on the Social Web. In Proceedings of Eleventh International Conference on Web Engineering (ICWE), Paphos, Cyprus, June 2011 [bib, pdf]
11. Ilknur Celik, Fabian Abel, Geert-Jan Houben. Learning Semantic Relationships between Entities in Twitter. In Proceedings of Eleventh International Conference on Web Engineering (ICWE), Paphos, Cyprus, June 2011 [bib, pdf]
12. Fabian Abel, Qi Gao, Geert-Jan Houben, Ke Tao. Analyzing Temporal Dynamics in Twitter Profiles for Personalized Recommendations in the Social Web. In Proceedings of Proceedings of ACM International Conference on Web Science (WebSci), Koblenz, Germany June 2011 [bib, pdf]
13. Ilknur Celik, Fabian Abel, Patrick Siehndel. Towards a Framework for Adaptive Faceted Search on Twitter. In Proceedings of International Workshop on Dynamic and Adaptive Hypertext (DAH), in connection with ACM Hypertext, Eindhoven, The Netherlands, June 2011 [bib, pdf]
14. Fabian Abel, Nicola Henze, Ricardo Kawase, Daniel Krause, Patrick Siehndel. TagMe! -- Enhancing Social Tagging with Spatial Context. In Jose Cordeiro and Joaquim Filipe: Web Information Systems and Technologies. Lecture Notes in Business Information Processing, Volume 46, Springer Verlag, June 2011. [bib] [pdf]
15. Fabian Abel, Qi Gao, Geert-Jan Houben, Ke Tao. Semantic Enrichment of Twitter Posts for User Profile Construction. In Proceedings of 8th Extended Semantic Web Conference (ESWC), Heraklion, Crete, Greece, May 2011 [bib, pdf]
16. Ke Tao, Fabian Abel, Qi Gao, Geert-Jan Houben. TUMS: Twitter-based User Modeling Service. In Proceedings of the International Workshop on User Profile Data on the Social Semantic Web (UWeb), ESWC, Heraklion, Crete, Greece, May 2011 [bib, pdf]
17. Fabian Abel. Contextualization, User Modeling and Personalization in the Social Web. PhD thesis, Gottfried Wilhelm Leibniz University Hannover, April 2011 [bib, pdf]
18. Fabian Abel, Ilknur Celik, Claudia Hauff, Laura Hollink, Geert-Jan Houben. U-Sem: Semantic Enrichment, User Modeling and Mining Usage Data on the Social Web. In Proceedings of International Workshop on Usage Analysis and the Web of Data (USEWOD), co-located with WWW '11, Hyderabad, India, March 2011 [bib, pdf]

2010

1. Fabian Abel, Nicola Henze, Eelco Herder, Daniel Krause. Linkage, Aggregation, Alignment and Enrichment of Public User Profiles with Mypes. In Proceedings of 6th International Conference on Semantic Systems (I-SEMANTICS), Graz, Austria, September 2010 [bib]
2. Fabian Abel, Ernesto Diaz-Aviles, Nicola Henze, Daniel Krause, Patrick Siehndel. Analyzing the Blogosphere for Predicting the Success of Music and Movie Products. In Proceedings of International Conference on Advances in Social Networks Analysis and Mining (ASONAM), Odense, Denmark, August 2010 [bib]
3. Fabian Abel, Nicola Henze, Eelco Herder, Daniel Krause. Interweaving Public User Profiles on the Web. In Proceedings of International Conference on User Modeling, Adaptation and Personalization (UMAP), Hawaii, USA, June 2010 [bib]
4. Erwin Leonardi, Jan Hidders, Geert-Jan Houben, Fabian Abel, Eelco Herder. GDR: A Language for Flexible Interlinking, Integrating, and Enriching User Data. Demo at International Conference on User Modeling, Adaptation and Personalization (UMAP), Hawaii, USA, June 2010 [bib]
5. Fabian Abel, Nicola Henze, Eelco Herder, Geert-Jan Houben, Daniel Krause, Erwin Leonardi. Building Blocks for User Modeling with data from the Social Web. In Proceedings of International Workshop on Architectures and Building Blocks of Web-Based User-Adaptive Systems at the International Conference on User Modeling, Adaptation and Personalization (UMAP), Hawaii, USA, June 2010 [bib]
6. Fabian Abel, Ig Ibert Bittencourt, Evandro Costa, Nicola Henze, Daniel Krause, Julita Vassileva. Recommendations in Online Discussion Forums for E-Learning Systems. IEEE Transactions on Learning Technologies, Volume 3(2), June, 2010. [bib]
7. Erwin Leonardi, Fabian Abel, Dominikus Heckmann, Eelco Herder, Jan Hidders, Geert-Jan Houben. A Flexible Rule-Based Method for Interlinking, Integrating, and Enriching User Data. In Proceedings of 10th International Conference on Web Engineering (ICWE), Vienna, Austria, July 2010 [bib]
8. Fabian Abel, Ricardo Kawase, Daniel Krause. Leveraging Multi-faceted Tagging to improve Search in Folksonomy Systems. In Proceedings of 21st ACM Conference on Hypertext and Hypermedia (poster), Toronto, Canada, June 2010 [bib]
9. Fabian Abel, Nicola Henze, Ricardo Kawase, Daniel Krause. The Impact of Multifaceted Tagging on Learning Tag Relations and Search. In Proceedings of Seventh Extended Semantic Web Conference (ESWC), Heraklion, Crete, Greece, May 2010 [bib]
10. Fabian Abel, Eelco Herder, Geert-Jan Houben, Erwin Leonardi. Proceedings of the Workshop on Linking of User Profiles and Applications in the Social Semantic Web (LUPAS). Seventh Extended Semantic Web Conference (ESWC), Heraklion, Crete, Greece, CEUR Workshop Proceedings, Volume 595, May 2010 [bib]
11. Fabian Abel, Matteo Baldoni, Cristina Baroglio, Nicola Henze, Ricardo Kawase, Daniel Krause, and Viviana Patti. Leveraging search and content exploration by exploiting context in folksonomy systems. In D. Cunliffe and D. Tudhope, editors, New Review of Hypermedia and Multimedia: Web Science, volume 16, pages 33–70. Taylor and Francis, April 2010. [bib] [pdf]
12. Fabian Abel, Ricardo Kawase, Daniel Krause, Patrick Siehndel, Nicole Ullmann. The Art of Tagging - Interweaving spatial annotations, categories, meaningful URIs and tags. In Proceedings of Sixth International Conference on Web Information Systems and Technologies, Valencia, Spain, April 2010 [bib]
13. Fabian Abel, Juri Luca De Coi, Nicola Henze, Arne Wolf Koesling, Daniel Krause, Daniel Olmedilla. The RDF Protune Policy Editor: Enabling Users to Protect Data in the Semantic Web. In Jose Cordeiro and Joaquim Filipe: Web Information Systems and Technologies 5th International Conference, WEBIST 2009, Lisbon, Portugal, March 23-26, 2009, Revised Selected Papers. Lecture Notes in Business Information Processing, Volume 45, Springer Verlag, March 2010. [bib]
14. Fabian Abel, Nicola Henze, Daniel Krause. Optimizing Search and Ranking in Folksonomy Systems by Exploiting Context Information. In Jose Cordeiro and Joaquim Filipe: Web Information Systems and Technologies 5th International Conference, WEBIST 2009, Lisbon, Portugal, March 23-26, 2009, Revised Selected Papers. Lecture Notes in Business Information Processing, Volume 45, Springer Verlag, March 2010. [bib]
15. Christian Kohlschütter, Fabian Abel, and Dimitrios Skoutas: A Novel Interface for Exploring, Annotating and Organizing News and Blogs Articles. 3rd Annual Workshop on Search in Social Media (SSM 2010), co-located with the ACM WSDM 2010 Conference on Web Search and Data Mining, New Yorck, USA, Februar 2010. [bib]

2009

1. Fabian Abel, Matteo Baldoni, Cristina Baroglio, Nicola Henze, Daniel Krause, Viviana Patti. Context-based Ranking in Folksonomies. In Proceedings of the 20th ACM conference on Hypertext and hypermedia, Torino, Italy, pages 209-218, June 2009, ISBN: 978-1-60558-486-7 [bib]
2. Fabian Abel, Nicola Henze, Daniel Krause, Matthias Kriesell. On the Effect of Group Structures on Ranking Strategies in Folksonomies. In King, Irwin and Baeza-Yates, Ricardo (Eds.): Weaving Services and People on the World Wide Web. Springer Verlag, ISBN: 978-3-642-00569-5, May 2009 [bib]
3. Fabian Abel, Nicola Henze, Daniel Krause, Matthias Kriesell. Semantic Enhancement of Social Tagging Systems. Devedzic, Vladan and Gasevic, Dragan (Eds.): Annals of Information Systems, Vol. 6, Web 2.0 & Semantic Web. Springer Verlag, ISBN: 978-1-4419-1218-3 [bib]
4. Fabian Abel, Nicola Henze, Daniel Krause. Social Semantic Web at Work: Annotating and Grouping Social Media Content. Cordeiro, J., Hammoudi, S. and Filipe, J. (Eds.): 4th International Conference, WEBIST 2008, Funchal, Madeira, Portugal, Revised Selected Papers; Series: Lecture Notes in Business Information Processing, Vol. 18, XIII, 419 p., Softcover ISBN: 978-3-642-01343-0, May 2009 [bib]
5. Fabian Abel, Ricardo Kawase, Daniel Krause, Patrick Siehndel. Multi-faceted Tagging in TagMe! In Proceedings of 8th International Semantic Web Conference (ISWC 2009), Poster and Demonstration Session, Washington, DC, USA, October, 2009. [bib]
6. Fabian Abel, Ivana Marenzi, Wolfgang Nejdl, Sergej Zerr Sharing Distributed Resources in LearnWeb2.0. In Proceedings of European Conference on Technology Enhanced Learning, EC-TEL 2009, Nice, France, October 2009 [bib]
7. Ivana Marenzi, Sergej Zerr, Fabian Abel, Wolfgang Nejdl. Social Sharing in LearnWeb2.0. International Journal of Continuing Engineering Education and Life-Long Learning (IJCEELL), Volume 19 - Issue 4/5/6 - 2009. DOI: 10.1504/IJCEELL.2009.028826 [bib]
8. Fabian Abel, Eelco Herder, Ivana Marenzi, Wolfgang Nejdl, Sergej Zerr. Evaluating the Benefits of Social Annotation for Collaborative Search. Workshop on Search in Social Media (SSM 2009), co-located with ACM SIGIR 2009 Conference on Information Retrieval, Boston, USA, 23 July 2009 [bib]
9. Fabian Abel, Ivana Marenzi, Wolfgang Nejdl, Sergej Zerr. LearnWeb2.0: Resource Sharing in Social Media. Workshop on Social Information Retrieval for Technology-Enhanced Learning (SIRTEL'09) at the International Conference on Web-based Learning (ICWL) 2009, Aachen, Germany, August 21, 2009 [bib]
10. Lucia Oneto, Fabian Abel, Eelco Herder, David Smits. Making today's Learning Management Systems adaptive. Workshop on Learning Management Systems meet Adaptive Learning Environments at EC-TEL'2009 [bib]
11. Fabian Abel, Dominikus Heckmann, Eelco Herder, Jan Hidders, Geert-Jan Houben, Daniel Krause, Erwin Leonardi, Kees van der Slujis. Mashing up user data in the Grapple User Modeling Framework. 17th Workshop on Adaptivity and User Modeling in Interactive Systems (FGABIS08), Darmstadt, Germany, September, 2009 [bib]
12. Fabian Abel, Dominikus Heckmann, Eelco Herder, Jan Hidders, Geert-Jan Houben, Daniel Krause, Erwin Leonardi, Kees van der Slujis. A Framework for Flexible User Profile Mashups. International Workshop on Adaptation and Personalization for Web 2.0 at UMAP 2009, Trento, Italy, June 2009. [bib]
13. Erwin Leonardi, Geert-Jan Houben, Kees van der Slujis, Jan Hidders, Fabian Abel, Eelco Herder, Daniel Krause, Dominikus Heckmann. User Profile Elicitation and Conversion in a Mashup Environment. In the Proceedings of the International Workshop on Lightweight Integration on the Web (ComposableWeb’09) in conjunction with the 9th International Conference on Web Engineering (ICWE 2009), San Sebastian, Spain, June 2009. [bib]
14. Fabian Abel, Juri Luca De Coi, Nicola Henze, Arne Wolf Koesling, Daniel Krause, Daniel Olmedilla. A User Interface to Define and Adjust Policies for Dynamic User Models. In: WEBIST 2009 - Proceedings of the Fifth International Conference on Web Information Systems and Technologies, Lisbon, Portugal, pp. 184-191, March 2009. [bib]
15. Fabian Abel, Nicola Henze, Daniel Krause. Context-aware Ranking Algorithms in Folksonomies. In: WEBIST 2009 - Proceedings of the Fifth International Conference on Web Information Systems and Technologies, Lisbon, Portugal, pp. 167-174, March 2009. [bib]

2008

1. Fabian Abel, Nicola Henze, Daniel Krause. Exploiting additional Context for Graph-based Tag Recommendations in Folksonomy Systems. In Proceedings of International Conference on Web Intelligence (WI 2008), Sydney, Australia, Dec 2008. [bib]
2. Fabian Abel, Nicola Henze, Daniel Krause. Ranking in Folksonomy Systems: Can context help? In Proceedings of the Seventeenth ACM Conference on Information and Knowledge Management, CIKM 2008, Napa, USA, October 26-30, 2008. [bib]
3. Fabian Abel. The Benefit of additional Semantics in Folksonomy Systems. In Proceedings of the Second Ph.D. Workshop in Seventeenth ACM Conference on Information and Knowledge Management, CIKM 2008, Napa, USA, October 26-30, 2008. [bib]
4. Philipp Kärger, Daniel Olmedilla, Fabian Abel, Eelco Herder, Wolf Siberski. What do you prefer? Using Preferences to Enhance Learning Technology. IEEE Journal for Transactions on Learning Technologies, 1(1), 2008. [bib]
5. Fabian Abel, Nicola Henze, Daniel Krause. GroupMe! - Where Information meets. In Proceedings of 17th International World Wide Web Conference (WWW 2008), April 2008, Beijing, China. [bib]
6. Fabian Abel, Nicola Henze, Daniel Krause, Matthias Kriesell. On the Effect of Group Structures on Ranking Strategies in Folksonomies. Workshop on Social Web Search and Mining at 17th International World Wide Web Conference (WWW 2008), April 2008, Beijing, China. [bib]
7. Fabian Abel, Ig Ibert Bittencourt, Nicola Henze, Daniel Krause, Julita Vassileva. A Rule-Based Recommender System for Online Discussion Forums. In Proceedings of Conf. on Adaptive Hypermedia and Adaptive Web-Based Systems (AH ‘08), Hannover, Germany, 2008. [bib]
8. Fabian Abel, Nicola Henze, Daniel Krause, Daniel Plappert. User Modeling and User Profile Exchange for Semantic Web Applications. 16th Workshop on Adaptivity and User Modeling in Interactive Systems (ABIS), 2008. [bib]
9. Arne Wolf Kösling, Eelco Herder, Juri Luca De Coi, Fabian Abel. Making Legacy LMS adaptable using Policy and Policy templates. 16th Workshop on Adaptivity and User Modeling in Interactive Systems (ABIS), 2008. [bib]
10. Fabian Abel, Mischa Frank, Nicola Henze, Daniel Krause, and Patrick Siehndel. GroupMe! - Combining Ideas of Wikis, Social Bookmarking, and Blogging. In Proceedings of 2nd International Conference on Weblogs and Social Media (ICWSM 2008), April 2008, Seattle, USA. [bib]
11. Fabian Abel, Nicola Henze, Daniel Krause. A Novel Approach to Social Tagging: GroupMe!. In Proceedings of 4th International Conference on Web Information Systems and Technologies (WEBIST 2008), May 2008, Funchal, Portugal. [bib]

2007

1. Fabian Abel, Mischa Frank, Nicola Henze, Daniel Krause, Daniel Plappert and Patrick Siehndel. GroupMe! - Where Semantic Web meets Web 2.0. In Proceedings of 6th International Semantic Web Conference (ISWC 2007) [bib]
2. Fabian Abel, Juri Luca De Coi, Nicola Henze, Arne Wolf Koesling, Daniel Krause and Daniel Olmedilla. Enabling Advanced and Context-Dependent Access Control in RDF Stores. In Proceedings of 6th International Semantic Web Conference (ISWC 2007) [bib]
3. Fabian Abel, Nicola Henze and Daniel Krause. GroupMe! - Capturing Semantics in Social Tagging Systems. Semanti Web Days at I-SEMANTICS 2007. [bib]
4. Fabian Abel, Eelco Herder, Philipp Kaerger, Daniel Olmedilla and Wolf Siberski. Exploiting Preference Queries for Searching Learning Resources. In Proceedings of 2nd European Conference on Technology Enhanced Learning (EC-TEL 2007) [bib]

Before (BSc/MSc time)

1. F. Abel. An Agent-based approach to Distributed Reasoning (in german). Master Thesis. [bib]
2. F. Abel, I. Brunkhorst, N. Henze, D. Krause, K. Mushtaq, P. Nasirifard, and K. Tomaschweski. Personal Reader Agent: Personalized Access to Configurable Web Services. In 14th Workshop on Adaptivity and User Modeling in Interactive Systems, Hildesheim, Germany, October 2006. [bib]
3. F. Abel and N. Henze. User Awareness and Personalization in Semantic Portals. Demo Paper at 4th International Semantic Web Conference, Galway, Ireland, November 2005. [bib]
4. F. Abel, R. Baumgartner, A. Brooks, C. Enzi, G. Gottlob, N. Henze, M. Herzog, M. Kriesell, W. Nejdl, and K. Tomaschewski. The Personal Publication Reader. Semantic Web Challenge 2005. In 4th International Semantic Web Conference, Galway, Ireland, November 2005. [bib]
5. F. Abel. Context-aware Information Providing in the Semantic Web (in german). Bachelor Thesis. [bib]
6. F. Abel und J. Brase. Using Semantic Web Technologies for context-aware Information Providing
   to Mobile Devices. Technical Report, July 2004. [bib]

Workshops, tutorials and other activities:

• Guest Editor at the Semantic Web Journal, special issue on The Personal and Social Semantic Web, 2012
• Tutorial Chair at the International Conference on Web Engineering (ICWE), 2012
• Keynote at International Workshop on Social Data on the Web (SDoW), October 2011
• Chair of Poster and Demo track at International Conference on User Modeling, Adaptation and Personalization (UMAP), July 2011
• Tutorial on Engineering the Personal Social Semantic Web at ICWE 2011
• Workshop on User Profile Data on the Social Semantic Web (UWeb) at ESWC 2011
• Workshop on Augmenting User Models with Real World Experiences to Enhance Personalization and Adaptation (AUM) at UMAP 2011
• Workshop on Dynamic and Adaptive Hypertext: Generic Frameworks, Approaches and Techniques (DAH) at Hypertext 2011
• Workshop on Linking of User Profiles and Applications in the Social Semantic Web (LUPAS) at ESWC 2010.
• Workshop on Architectures and Building Blocks of Web-Based User-Adaptive Systems (WABBA) at UMAP 2010.
• Workshop on User Data Interoperability in the Social Web (UDISW) at IUI 2010.

Reviewing:

• Journal of Web Semantics, 2012
• ACM Web Science Conference (WebSci), 2012
• International Conference on Semantic Systems (I-Semantics), 2012
• International Conference on Web Engineering (ICWE), Demo Track, 2012
• Workshop on Social Media Visualization (SocMedVis) in conjunction with with ICWSM, 2012
• International Workshop on Interoperability of User Profiles in Multi-Application Web Environments (MultiA-Pro) in conjunction with WWW, 2012
• ACM Hypertext and Social Media conference (HT), 2012
• Extended Semantic Web Conference (ESWC), 2012
• Workshop on evidenced-based Technology Enhanced Learning (ebTEL) in conjunction with with PAAMS, 2012
• International Conference on User Modeling, Adaptation, and Personalization (UMAP), 2012
• IEEE Transactions on Learning Technologies (TLT), 2011
• ACM Transactions on Intelligent Systems and Technology (TIST), 2011
• International Semantic Web Conference (ISWC 2011), 2011
• Workshop on Semantic Personalized Information Management: Retrieval and Recommendation (SPIM) in conjunction with ISWC, 2011
• Journal of Web Engineering, 2011
• International Joint Conference on Artificial Intelligence (IJCAI), 2011
• International Conference on Semantic Systems (I-Semantics), 2011
• Extended Semantic Web Conference (ESWC), Social Web and Web Science Track, 2011
• ACM Conference on Human Factors in Computing Systems (CHI), 2012=1
• IEEE Transactions on Learning Technologies (TLT), 2010
• Semantic Web Journal, Special Issue on Semantic Web Tools and Systems, 2010
• Workshop on Personalization and Recommendation on the Web and Beyond (ABIS), 2010
• International Conference on Semantic Systems (I-Semantics), 2010
• Workshop on Web 3.0: Merging Semantic Web and Social Web in conjunction with Hypertext, 2009
• International Conference on User Modeling, Adaptation, and Personalization (UMAP), 2009

Mentoring of Master theses:

• Oscar Castaneda: Link Prediction and the Evolution of Communities on Twitter, 2011
• Richard Stronkman: Exploiting Twitter to fulfill information needs during incidents, 2011
• Mischa Frank: Applikationsübergreifende Wiederverwendung von Empfehlungsfunktionalitäten im Web, 2009
• Patrick Siehndel: Automatische Trenderkennung in der Blogosphere, 2009
• Tristan Wehrmaker: Interoperabilität im Web 2.0: Evaluierung und Implementierung von Mechanismen für die Integration von Social Media Diensten, 2009 (together with Sergej Zerr)
• Patrick Hennig: Web Community Mining in Social Tagging Systemen, 2008
• Oleksandr Kazandzhi: Einsatz von Hypermedia Metriken in Folksonomien, 2008
• Eugen Okon: Entwurf und Implementierung einer Programmierbibliothek fuer semantisch erweiterte RESTful Web Services, 2008
• Oleg Kononin: Event-Detection und Benutzermodellierung mit Semantic Web Technologien, 2008

Mentoring of Bachelor theses:

• Björn Feldhaus: Zeitliche Analyse und Trendvorhersage in Folksonomien, 2007
• Nicole Ullmann: Implementierung einer graphischen Benutzeroberflaeche fuer fas Erstellen und Modifizieren von Policies fuer RDF basierte Benutzerprofile, 2007
• Philipp Baehre: Implementierung und Evaluierung eines Mechanismus fuer Zugriffsschutz in RDF- Datensammlungen, 2007
• Zhivko Asenov: RDF Meta Search Engine: Exploiting Today’s Semantic Web, 2008
• Dirk Winkler: konzeption, Implementierung und Evaluierung von Visualisierungsstrategien zur Gruppierung von Inhalten, 2008

Lectures:

• Web and Semantic Web Engineering, 2011/12
• Semantic Web, 2008/09

Mentoring during lectures:

• Lecture exercises of Semantic Web, 2007-2010
• Lecture exercises of Personalization and User Modeling, 2007-2010