2018

·   Program committee: 3rd Swiss Text Analytics Conference (SwissText 2018), Scientific Track,  June 12-13, 2018 in Winterthur, Switzerland

·   Program Committee: iConference2018, March 25-28, 2018, in Sheffield, UK.

·   Program Committee: 23rd International Conference on Applications of Natural Language to Information Systems (NLDB2018). 13rd – 15th June 2018, Paris, France.

·   Program Committee: 11th edition of the Language Resources and Evaluation Conference (LREC2018) 7-12 May 2018, Miyazaki (Japan).

 

2017

·   Journal Reviewer: WIREs Data Mining and Knowledge Discovery. Wiley.

·   Journal Reviewer: Journal of the Association for Information Science and Technology. Wiley.

·   Journal Reviewer: Journal of Intelligent Systems. De Gruyter.

·   Program Committee: 11th International Conference on Metadata and Semantics Research (MTSR 2017).  November 28th – December 1st 2017, Tallinn, Estonia.

·   Program Committee: International Conference on Knowledge Organisation (Wissensorganisation 2017): Knowledge Organization for Digital Humanities, in conjunction with the 13th Meeting of the German ISKO (International Society for Knowledge Organization). 30. November – 1. Dezember 2017, Berlin.

·   Program Committee: 15h International Semantic Web Conference (ISWC2017). 21-25 October 2017. Vienna, Austria.

·   Program Committee: Quellen und Methoden der Geschichtswissenschaft im digitalen Zeitalter. Neue Zugänge für eine etablierte Disziplin? DIGIMET 2017. 25./26. September 2017, Humboldt-Universität, Berlin.

·   Program Committee: 11th ACM Conference on Recommender Systems (RecSys2017). Como, Italy, 27th-31st August 2017

·   Program Committee: I4CS2017 (17th International Conference on Innovations for Community Services). 26-28 June 2017. Darmstadt, Germany.

·   Program Committee: 22th International Conference on Applications of Natural Language to Information Systems (NLDB2017). Liège, Belgium. 21-23 June 2017.

·   Program Committee: 14th Extended Semantic Web Conference (ESWC 2017). Portoroz, Slovenia. May 28th – June 1st​, 2017.

·   Program Committee:ISI2017 (ISI2017 – 15th International Symposium of Information Science). Berlin, Germany. 13-15 March 2017.

 

2016

·   Journal Reviewer: IEEE Transactions on Cloud Computing.

·   Journal Reviewer: Journal on Data Semantics. Springer.

·   Program Committee: 2016 IEEE Symposium Series on Computational Intelligence (IEEE SSCI 2016). Athens, Greece. 6-9 December 2016.

·   Program Committee: 10th International Conference on Metadata and Semantics Research (MTSR’16). Göttingen, Germany. 22-25 November 2016.

·   Program Committee: Workshop on Active Learning: Applications, Foundations and Emerging Trends, in conjunction with the 2016 International Conference on Knowledge Technologies and Data-driven Business (i-KNOW 2016). Messe Congress Graz, Austria. October 18-19, 2016.

·   Program Committee: ISWC 2016 posters and demos (ISWC2016P&D) of the 15h International Semantic Web Conference. Kobe, Japan. October 17-21, 2016.

·   Program Committee: Conference on Natural Language Processing (KONVENS2016). Ruhr-University Bochum, Germany. September 19-21, 2016.

·   Program Committee: 3rd Workshop on New Trends in Recommender Systems (CBRecSys 2016) in conjunction with 10th ACM Conference on Recommender Systems (RecSys2016). Boston, MA. September 15-19, 2016.

·   Program Committee: ABIS 2016 (22nd International Workshop on Intelligent and Personalized Human-Computer Interaction). In conjunction with Mensch und Computer 2016. 4-7 September 2016, Aachen, Germany.

·   Program Committee: 21th International Conference on Applications of Natural Language to Information Systems (NLDB2016). MediaCityUK Campus, University of Salford, Manchester UK. 22-24 June 2016.

·   Program Committee: 13th Extended Semantic Web Conference (ESWC2016). Anissaras, Crete, Greece. May 29th, 2016 to June 2nd​, 2016.

·   Program Committee: 10th edition of the Language Resources and Evaluation Conference (LREC2016). Portorož, Slovenia. 23-28 May 2016.

 

2015

·   Journal Reviewer: Semantic Web Journal. IOS Press. (2015).

·   Journal Reviewer: ACM Journal Transactions on Interactive Intelligent Systems. Special Issue on Big Personal Data in Interactive Intelligent Systems. (TiiS-2015-Jul-008)

·   Journal Reviewer: Journal for Language Technology and Computational Linguistics (JLCL). 2015

·   Journal Reviewer: ACM Transactions on Interactive Intelligent Systems (ACM TiiS). 2015.

·   Journal Reviewer: IEEE Pervasive Computing. Mobile and Ubiquitous Systems. IEEE Computer Science Society.

·   Journal Reviewer: IEEE Transactions on Knowledge and Data Engineering.

·   Journal Reviewer: Aslib Journal of Information Management. Issue 6, 2015.

·   Program Committee: LD4IE 2015. Linked Data for Information Extraction. In conjunction with the 14th International Semantic Web Conference. Bethlehem, Pennsylvania – USA October 11-12 2015.

·   Program Committee: 9th ACM International Conference on Recommender Systems (RecSys2015). 16-20 September 2015. Vienna, Austria.

·   Program Committee:2nd Workshop on New Trends in Content-Based Recommender Systems (CBRecSys 2015). In conjunction with the 9th ACM Conference on Recommender Systems (RecSys 2015). 16-20 September 2015. Vienna, Austria.

·   Program Committee: 16th International Conference on Electronic Commerce and Web Technologies – EC-Web 2015. Valencia, Spain. September 1 – 2, 2015

·   Program Committee: LDL 2015 Fourth Workshop on Linked Data in Linguistics: Resources and Applications. Co-located with ACL-IJCNLP 2015 Beijing, China. July 31, 2015

·   Program Committee: 20th International Conference on Applications of Natural Language to Information Systems (NLDB2015). June 17th-19th, 2015. Passau, Germany.

·   Program Committee: Wissensorganisation 2015: Lexical Resources for Knowledge Organization. in conjunction with  the 20th International Conference on Application of Natural Language to Information Systems (NLDB 2015). June 16th, 2015. Passau, Germany.

·   Program Committee: 12th Extended Semantic Web Conference (ESWC2015). Portoroz, Slovenia. May 31th, 2015 – June, 4th, 2015.

·   Program Committee: 14th International Symposium of Information Science (ISI 2015). Re:Inventing Information Science in the Networked Society. Zadar, Croatia University of Zadar. 19. – 21. 5. 2015.

·   Program Committee: Fifth Workshop on Context-awareness in Recommendation and Retrieval (CaRR2015).  March 29, 2015. In conjunction with the 2015 European Conference on Information Retrieval in Vienna, Austria.

·   Program Committee: iConference2015, Donald Bren School of Information and Computer Sciences at University of California, Irvine. Newport Beach, CA March 24-27 2015.

 

2014

·   Program Committee: IEEE Symposium Series on Computational Intelligence 2014. December 9-12, 2014. Orlando, Florida, USA.

·   Program Committee: RecSys’14 Workshop on New Trends in Content-based Recommender Systems (CBRecSys 2014). 6-11 October 2014. Sillicon Valley, CA, USA.

·   Journal Reviewer: ACM Transactions on Interactive Intelligent Systems (ACM TiiS). 2014.

·   Journal Reviewer: Aslib Journal of Information Management. Special issue on Semantic Search. Issue 5, 2014

·   Journal Reviewer: Language Resources and Evaluation. Springer.

·   Journal Reviewer: Special Issue of the Semantic Web Journal. Multilingual Linked Open Data (MLOD) 2012 Data Post Proceedings. Volume 4 (2014). Sebastian Hellmann, Steven Moran, Martin Brümmer, John McCrae (Eds.).

·   Program Committee: iConference2014. Berlin School of Library and Information Science, Humboldt-Universität zu Berlin. 4th – 7th March, 2014.

·   Program Committee: DGI-Konferenz 2014. Informationsqualität und Wissensgenerierung. 8th  and 9th May 2014. Frankfurt am Main

·   Program Committee: 9th edition of the Language Resources and Evaluation Conference (LREC2014), 26-31 May, Reykjavik, Iceland.

·   Program Committee: Extended Semantic Web Conference 2014
(ESWC 2014).
Anissaras, Crete, Greece. May 25th, 2014 to May 29th, 2014.

·   Program Committee: Fourth Workshop on Context-awareness in Recommendation and Retrieval(CaRR2014).  April 13, 2014. In conjunction with the 2014 European Conference on Information Retrieval in Amsterdam, The Netherlands.

·   Program Committee: 4th W3C Multilingual Web Workshop. 7-8 May. Madrid.

·   Program Committee: 2nd IEEE International Workshop on Ambient Multimedia and Sensory Environment (AMUSE-2014) July 14, 2014. Chengdu, China. In Conj. with IEEE Int. Conf. on Multimedia and Expo  (ICME 2014)

·   Program Committee:  The Third International Conference on Data Analytics (DATA ANALYTICS 2014). August 24 – 28, 2014 – Rome, Italy.

·   Program Committee: 20th International Workshop on Adaptivity and User Modeling (ABIS2014). Held at Mensch & Computer 2014. 31 August – 3 September. Munich, Germany.

·   Program Committee: 8th ACM International Conference on Recommender Systems (RecSys2014).  Foster City, Silicon Valley, USA, 6th-10th October 2014.

·   Program Committee: 3rd Workshop on Linked Data in Linguistics: Representing and linking lexicons, terminologies and other language data. In conjunction with the 9th edition of the Language Resources and Evaluation Conference (LREC2014), 27 May, Reykjavik, Iceland.

·   Program Committee: Linked Data for Information Extraction (LD4IE) Workshop.  In Conjunction with the 13th International Semantic Web Conference (ISWC 2014), Oct 19-20 2014, Riva del Garda – Trentino, Italy.

·   Program Committee: IEEE Symposium Series on Computational Intelligence 2014. December 9-12, 2014. Orlando, Florida, USA

 

2013

·   Journal Reviewer: Language Resources and Evaluation. Volume 47, Issue 2, June 2013. Springer.

·   Book Reviewer: Gurevych, Iryna; Kim, Jungi (Eds.). The People’s Web Meets NLP. Collaboratively Constructed Language Resources. Series: Theory and Applications of Natural Language Processing. Springer (2013).

·   Program Committee: The 12th International Semantic Web Conference (ISWC 2013) – Evaluation Track. 21-25 October 2013, Sydney, Australia.

·   Program Committee: Linked Data for Information Extraction (LD4IE) Workshop. In Conjunction with the 12th International Semantic Web Conference (ISWC 2013) .  Oct 21 – 22 2013, Sydney, Australia.

·   Program Committee: 2nd Workshop on Linked Data in Linguistics: Representing and linking lexicons, terminologies and other language data. In conjunction with the Conference on Generative Approaches to the Lexicon, September 23rd in Pisa, Italy.

·   Program Committee: 7th ACM International Conference on Recommender Systems (RECSys2013)  Hong Kong, China. October 12-16, 2013.

·   Program Committee: The Second International Conference on Data Analytics (DATA ANALYTICS 2013). September 29 – October 3, 2013 – Porto, Portugal

·   Program Committee: 14th International Conference on Electronic Commerce and Web Technologies – EC-Web 2013, Prague, Czech Republic. August 26 – 30, 2013

·   Program Committee: Extended Semantic Web Conference 2013 (ESWC 2013). Montpellier, France. May 26th, 2013 to May 30th, 2013.

·   Program Committee: IEEE Symposium Series on Computational Intelligence 2013 (SSCI 2013). Singapore, April 15-19, 2013.

·   Program Committee: German Society for Computational Linguistics & Language Technology Conference (GSCL 2013).

·   Program Committee: 3rd Workshop on the Multilingual Semantic Web: W3C Workshop, Making the Multilingual Web Work. 12 – 13 March 2013, Rome.

 

2012

·   Area Chair: 11th Conference on Natural Language Processing (KONVENS 2012). Vienna, Austria. September 19-21, 2012.

·   Program Committee: 6th ACM International Conference on Recommender Systems (Doctoral Symposium, RecSys 2012). Dublin, Ireland.Sept.  9 – 13, 2012.

·   Program Committee: 6th ACM International Conference on Recommender Systems (RecSys 2012). Dublin, Ireland. September 9 – 13, 2012.

·   Program Committee: 13th International Conference on Electronic Commerce and Web Technologies – EC-Web 2012. Vienna (Austria). September 3 – 7, 2012.

·   Program Committee: 12th International Conference on Innovative Internet Community Systems (I2CS). Trondheim, Norway. June 13-15, 2012.

·   Journal Reviewer: User Modeling and User-Adapted Interaction (UMUAI), Special Issue on Context-Aware Recommender Systems. Gediminas Adomavicius and Dietmar Jannach (Eds.), 2012.

·   Journal Reviewer: Multimedia Tools and Applications Journal (Springer),  Special Issue on Ambient Intelligence Multimedia Environments, 2012

·   Book Reviewer: The People’s Web Meets NLP: Collaboratively Constructed Language Resources.” A contributed volume to be published in the Springer book series: „Theory and Applications of Natural Language Processing“, E. Hovy, M. Johnson and G. Hirst (eds.), 2012.

·   Program Committee: International Workshop on Semantic Adaptive Social Web (SASWeb2012). In conj. with the 20th UMAP 2012 Conference.

·   Program Committee: Second Workshop on Context-awareness in Recommendation and Retrieval (CaRR2012). In conjunction with the 2012 International Conference on Intelligent User Interfaces (IUI 2012).

·   Program Committee: Linked Data in Linguistics (Representing and connecting language data and language metadata). Workshop organized as part of the Annual Conference of the German Linguistic Society (DGfS), to be held in Frankfurt, Germany, March 7-9, 2012.

 

2011

·   Program Committee: 5th ACM International Conference on Recommender Systems. Chicago, IL, USA. October 23 – 27, 2011.

·   Program Committee: 12th International Conference on Electronic Commerce and Web Technologies EC-Web 2011 (Track 5: Recommender Systems) held in August 29-September 2, 2011, Toulouse, France.

·   Program Committee: German Society for Computational Linguistics & Language Technology Conference (GSCL 2011). Focus on Multilingual Resources and multilingual Applications. Universität Hamburg, 2011.

·   Program Committee: 11th International Conference on Innovative Internet Community Systems (I2CS).Berlin, Germany. June 15 – 17, 2011.

·   Journal Reviewer: Special Issue of the ACM Transactions on Intelligent Systems and Technology Journal on the „Challenge on Context-Aware Movie Recommendation„.

·   Journal Reviewer: Multimedia Tools and Applications Journal (Springer),  Special Issue on Ambient Intelligence Multimedia Environments , 2011

·   Journal Reviewer: IT Professional, ITProSI-2011-02-0020.

·   Begutachtung eines Buchkapitels: Modeling, Learning and Processing of Text Technological Data Structures, Editors: Alex. Mehler, Kai-Uwe Kühnberger, Henning Lobin, Harald Lüngen, Angelika Storrer, Andreas Witt. Springer 2011.

·   Program Committee: International ACM Workshop On Ubiquitous Meta User Interfaces (Ubi-MUI’11). In conjunction with ACM Multimedia 2011, Scottsdale, Arizona, US, Nov 28 – Dec 1, 2011.

·   Program Committee: 3rd Workshop on Context-Aware Recommender Systems (CARS-2011). In conjunction with the 5th ACM Conference on Recommender Systems. Chicago, IL, USA, October 23, 2011 .

·   Program Committee: Second Challenge on Context-aware Movie Recommendation (CAMRa2011), in conj. with the 5th ACM Recommender Systems 2011 Conference (RecSys2011).  Chicago, IL, USA. October 27th, 2011.

·   Program Committee: 2nd Workshop on the Multilingual Semantic Web. In conjunction with the 10th ISWC 2011. Bonn, Germany. October 23-27 2011.

·   Program Committee: Second Workshop on Data Mining in Agriculture (DMA 2011), in conjunction with the 11th Industrial Conference on Data Mining (ICDM 2011). New York City, USA, September 02, 2011.

·   Program Committee: International Workshop on Social Web Mining, Co-located with IJCAI, 18 July 2011, Barcelona, Spain.

·   Program Committee: First IEEE International Workshop on Interactive Ambient Intelligence Multimedia Environments (AIME 2011). In conjunction with the 2011 IEEE International Conference on Multimedia and Expo (ICME 2011) Barcelona, Spain. July 11-15 2011

·   Program Committee: 2011 Workshop on Affective Computational Intelligence (WACI 2011), in conjunction with the IEEE Symposium Series on Computational Intelligence (SSCI’2011). Paris, France, April 11 – 15, 2011.

 

2010

·   Journal Reviewer: International Journal of Uncertainty, Fuzziness and Knowledge-Based Systems . Volume 18 (2010). World Scientific Publishing Co.

·   Program Committee: International Conference on Information Processing and Management of Uncertainty in Knowledge-based Systems (IPMU 2010). Dortmund, Germany, June 28 – July 02, 2010.

·   Program Committee: 2nd Workshop on Context-Aware Recommender Systems (CARS-2010). ), in conjunction with the 4th ACM Recommender Systems 2010 Conference (RecSys2010). Barcelona, Spain. September 26, 2010. Joint event with Challenge on Context-Aware Movie Recommenders.

·   Program Committee: Challenge on Context-aware Movie Recommendation (CAMRa2010), in conjunction with the 4th ACM Recommender Systems 2010 Conference (RecSys2010). Barcelona, Spain, September 30, 2010. Joint event with the 2nd Workshop on Context-Aware Recommender Systems (CARS-2010).

·   Program Committee: Special Session on Uncertainty in Network Mining (UNM 2010), in conjunction with the International Conference on Information Processing and Management of Uncertainty in Knowledge-based Systems (IPMU 2010). Dortmund, Germany, June 28 – July 02, 2010.

·   Program Committee: 6th Workshop on „Ontologies and Lexical Resources“ (OntoLex 2010), in conjunction with the 23rd International Conference on Computational Linguistics (COLING 2010). Beijing, China, August 21-22, 2010.

·   Program Committee: 2nd Workshop on „The People’s Web meets NLP: Collaboratively Constructed Semantic Resources“ (TPWMNLP 2010), in conjunction with the 23rd International Conference on Computational Linguistics (COLING 2010). Beijing, China, August 28th, 2010.

·   Program Committee: Workshop on Supporting e-learning with language resources and semantic data, in conj. with the 7th int. conference on Language Resources and Evaluation (LREC 2010). Valletta Malta, May 17-23, 2010.

·   Program Committee: 1st Workshop on the Multilingual Semantic Web, in conjunction with the WWW 2010 Conference. Raleigh, USA, Apr 26-30, 2010.

·   Program Committee: Workshop on Data Mining in Agriculture (DMA 2010), in conjunction with the 10th Industrial Conference on Data Mining (ICDM 2010). Berlin, Germany, July 12th-14th, 2010.

·   Program Committee: 1st Workshop on Semantic Personalized Information Management (SPIM 2010), in conjunction with the seventh international conference on Language Resources and Evaluation (LREC 2010). Valletta Malta, May 17-23, 2010.

 

2009

·   Program Committee: The People’s Web Meets NLP: Collaboratively Constructed Semantic Resources, in conjunction with the Joint conference of the 47th Annual Meeting of the Association for Computational Linguistics and the 4th International Joint Conference on Natural Language Processing of the Asian Federation of Natural Language Processing (ACL-IJCNLP 2009). Suntec Singapore Int. Convention and Exhibition Centre, Singapore, Japan, Aug 7, 2009.

 

2005

·   Program Committee: Workshop on New Technologies for Personalized Information Access (PIA 2005), in conjunction with the 10th International Conference on User Modeling (UM’2005). Edinburgh, Scotland, UK, 24-25 July 2005.