- ACL 2013: 51st Annual Meeting of the Association for Computational Linguistics, "Lexical Semantics and Ontologies", Sofia, Bulgaria, (2013)
- WWW 2013: 22nd International World Wide Web Conference, Rio de Janeiro, Brazil, Reviewing "Content Analysis Track" (2013)
- COLING 2012: 24th International Conference on Computational Linguistics IIT Bombay, Mumbai, India, Reviewing "Resources and Annotations" (2012)
- ACL 2012: The 50th Annual Meeting of the Association for Computational Linguistics, area "Lexical Semantics" and "Lexicon and Ontology", Jeju, Republic of Korea (2012)
- ACL 2012: The 50th Annual Meeting of the Association for Computational Linguistics, ACL Special Workshop 2012 - "Rediscovering 50 Years of Discoveries", Jeju, Republic of Korea (2012)
- WWW 2012: World Wide Web Conference, Web Mining Track, Paris, France (2012)
- NAACL-HLT 2012 PC: Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, area "Social Media", Montreal, Canada (2012)
- NAACL-HLT 2012 PC: Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, 7th Workshop Innovative Use of NLP for Building Educational Applications, Montreal, Canada (2012)
- NAACL-HLT 2012 PC: Conference of the North American Chapter of the Association for Computational Linguistics: Human Language Technologies, Workshop on Predicting and Improving Text Readability, Montreal, Canada (2012)
- LREC 2012: The 8th International Conference on Language Resources and Evaluation, Istanbul, Turkey (2012)
- Special Issue on "Natural Language Processing in the Web Era" (2012)
- JLCL (Journal for Language Technology and Computational Linguistics), issue 1/2012, Germany
- Language Resources and Evaluation Journal (2011)
- EMNLP 2011 Conference on Empirical Methods in natural Langugae Processing, Edinburgh, Scottland, UK (2011)
- IJCNLP 2011: 5th International Joint Conference on Natural Language Processing, area Semantics, Chiang Mai, Thailand (2011)
- AAAI11: 25th Conference on Artificial Intelligence, member of the senior program committee of the area "AI and the Web (AIW)", San Francisco (2011)
- ESWC 2011: Extended Semantic Web Conference: Workshop "Question Answering over Linked Data", Crete, Greece (2011)
- CICLing 2011: 12th International Conference on Intelligent Text Processing and Computational Linguistics, Tokyo, Japan (2011)
- ACL-HLT 2011: 49th Annual Meeting of the Association for Computational Linguistics: Human Language Technologies, area NLP for Web 2.0, Portland, Oregon, USA (2011)
- EuroVis 2011, 13th annual Visualization Symposium, Bergen, Norwegen, (2011)
- EMNLP 2010 Conference on Empirical Methods in natural Langugae Processing: Area "NLP for the Web", Cambridge (MA), USA (2010)
DEKA 2010 (21st International Conference on Database and Expert Systems Applications): Workshop “TIR 2010 (7th International Workshop on Text-based Information Retrieval), Bilbao, Spain (2010)
CLEF 2010 (Cross Language Evaluation Forum): Workshop “Cross-lingual Expert Search - Bridging CLIR and Social Media”, Padua, Italy (2010)
ESWC 2010 (Extended Semantic Web Conference): Workshop “Semantics4People”, Heraklion, Greece (2010)
LREC 2010: 7th international Conference of Language Resources and Evaluation, Workshop “UIMA4NLP II: Reusable Language Technology in the Large”, Valetta, Malta (2010)
LREC 2010: 7th international Conference of Language Resources and Evaluation, Workshop “New Challenges for NLP Frameworks”, Valetta, Malta (2010)
LREC 2010: 7th international Conference of Language Resources and Evaluation, Workshop “Web Services and Processing Pipelines in HLT: Tool Evaluation, LR Production and Validation”, Valetta, Malta (2010)
NAACL-HLT 2010: North American Chapter of the Association for Computational Linguistics – Human Language Technologies, Workshop “The 5th Workshop on Innovative Use of NLP for Building Educational Applications”, Los Angeles, USA (2010)
NAACL-HLT 2010: North American Chapter of the Association for Computational Linguistics – Human Language Technologies, Area “Semantics“, Los Angeles, USA (2010)
- RANLP 2009: International Conference Recent Advances in Natural Language Processing. Workshop “Adaptation of Language Resources and Technology to New Domains”, Borovets, Bulgaria (2009)
ACL-IJCNLP 2009: 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, Area: “Semantics”, Singapore (2009)
IJCAI 2009: International Joint Conference on Artificial Intelligence, Workshop “WIKIAI’09: User-contributed knowledge and AI: An evolving synergy”, Pasadena, California, USA (2009)
NLP Special Session of 24th of the International Symposium on Computer and Information Sciences, METU Northern Cyprus Campus (2009)
- LDV Forum: Special Issue of the “Ontologies and Semantic Lexica in Automated Discourse Analysis”
- EACL 2009: The 12th Conference of the European Chapter of the Association for Computational Linguistics, Area: “Lexicon, lexical databases, language resources, ontologies”, Athens, Greece
- IEEE Intelligent Systems: Special Issue on Natural Language Processing and the Web (2008)
- LREC 2008 Workshop "UIMA for NLP”, Marrakech (Morocco) (2008)
- Konvens 2008: Textressourcen und lexikalisches Wissen, Berlin-Brandenburgische Akademie der Wissenschaften, Germany (2008)
- ICPC 2008, International Workshop on Semantic Technologies in System Maintenance, Royal Netherlands Academy of Arts and Sciences, Amsterdam, The Netherlands (STSM 2008)
- ACL 2008 (Association for Computational Linguistics), Areas: (i) Lexical Semantics, and (ii) Statistical and Machine Learning for Language, Columbus, Ohio, USA (2008)
- AmI (Ambient Intelligence Conference), Workshop Artificial Intelligence Methods for Ambient Intelligence , Darmstadt, Germany (2007)
- EMNLP (Empirical Methods in Natural Language Processing) , Section: Computational Semantics, Prague, Czech Republic (2007)
- ACL 2007 (Association for Computational Linguistics) Student Workshop, Prague, Czech Republic (2007)
- GLDV 2007 (Conference of the German Society for Linguistic Data Processing), Ontologies and Semantic Lexica in Discourse Analysis, Tübingen, Germany (2007)
- EMNLP (Empirical Methods in Natural Language Processing), Section: Computational Semantics, Sydney, Australia (2006)
- ACM SIGIR 2006, Workshop “Stylistics for Text Retrieval in Practice”, Seattle, USA (2006)
- COLING/ACL 2006 7th SIGdial Workshop on Discourse and Dialogue, Sydney, Australia (2006)
- ACL 2003 (Association for Computational Linguistics), Student Workshop, Sapporo, Japan (2003)