Chair Elect (2021-2022) and Chair (2023-2024), Executive Board of AACL, Asia Pacific Chapter of ACL (Association of Computational Linguistics);
SIGDAT President, 2019 (VP 2018, VP-Elect 2017);
Founding Executive Board Member of AACL (2018 - 2020);
Executive Committee Member of ACL (2012 -2014);
SIGDAT Advisory Board Member (2015 - );
Founding Action Editor, Transactions of ACL (TACL) (2012 - 2016);
Founding Associate Editor, ACM Transactions on Intelligent Systems and Technology (ACM TIST) (2010 -2012);
Associate Editor, International Journal of Computer Processing of Oriental Languages (2007- 2010);
Editorial Board Member, Journal of Computational Linguistics and Chinese Language Processing (2004-2008);
General Chair, EMNLP2016;
Program Chair, EMNLP2015;
Conference Chair, International Conference on Asian Language Processing (IALP) 2011, Penang, Malaysia, Nov 15-17, 2011;
Program Chair, ACL/IJCNLP09;
Workshop Organizer, LREC2008 Workshop: Building and evaluating resources for biomedical text mining;
Program Committee Chair, International Symposium on Languages in Biology and Medicine (LBM 2007);
Publication Chair, 45th Annual Meeting of the Association for Computational Linguistics (ACL2007);
Publication Chair, International Joint Conference on Natural Language Processing (IJCNLP05);
Workshop chair, International Workshop on Language, Semantics, and Web 2003;
Area Chair, for “Information Extraction and Information Retrieval” area in ACL 2012;
Scientific Committee member, LREC 2012;
BioNLP 2012;
Area Chair, for “Text mining and NLP applications” area in EMNLP 2011;
Senior PC member, IJCAI 2011 special track on Integrated and Embedded AI (IEAI);
BioNLP 2011;
EMNLP 2010, for "Information Extraction" and "Text mining and NLP applications" areas;
CoLing 2010, for "Discourse and Pragmatics", "Information Extraction" and "Language Resource" areas;
23rd International Conference on the Computer Processing of Oriental Languages (ICCPOL 2010);
The Fourth Symposium on Semantic Mining in Biomedicine (SMBM 2010);
The Second Workshop on Building and Evaluating Resources for Biomedical Text Mining (BioTxtM 2010), LREC 2010;
New Challenges for NLP Frameworks, a workshop at LREC 2010;
The 1st International Workshop on Web Information Processing (IWWIP 2010)
The 23rd Pacific Asia Conference on Language, Information and Computation (PACLIC 23);
3rd International Symposium on Languages in Biology and Medicine (LBM 2009);
The 22nd International Conference on the Computer Processing of Oriental Languages (ICCPOL'09);
ACL 2008, Reviewer for Information Extraction, Co-reference and Topic Models Area;
CoLing2008, Reviewer for Information Retrieval, Text and Web Ming, Multimedia Area;
The 3nd International Symposium on Semantic Mining in Biomedicine (SMBM), 2008;
ACL 2008, BioNLP workshop;
The Fourth Asian Information Retrieval Symposium (AIRS 2008) for Natural Language Processing and IR Area;
The 3rd International Joint Conference on Natural Language Processing(IJCNLP-08), for Text Mining and Information Extraction Area;
ACL2007, for Tagging and Word Segmentation Area;
The 2007 Joint Conference on Empirical Methods in Natural Language Processing and Computational Natural Language Learning (EMNLP-CoNLL 2007), for Information Extraction Area;
15th Annual International Conference on Intelligent Systems for Molecular Biology & 6th Annual European Conference on Computational Biology (ISMB / ECCB 2007), for Text Ming Area;
IJCAI 2007;
HLT / NAACL2007, for Information Extraction: words, concepts and inference Area;
International Conference on Computational Linguistics and the Association for Computational Linguistics (CoLing-ACL06), for Lexical Semantics Area;
EMNLP 2006, for Discourse Area and Term & Entity Extraction Area;
The 29th Annual International ACM SIGIR Conference (SIGIR’06);
11th conference of the European Chapter of Association for Computational Linguistics (EACL 2006), for tagging, and word segmentation Area;
21st International Conference on the Computer Processing of Oriental Languages (ICCPOL'06);
Reviewer, The 14th Annual International conference on Intelligent Systems for Molecular Biology (ISMB 2006);
The 2nd International Symposium on Semantic Mining in Biomedicine (SMBM), 2006;
Third International Conference on Terminology, Standardization and Technology Transfer, 2006;
The 19th Pacific Asia Conference on Language, Information and Computation, Dec 1-3, 2005;
International Symposium on Languages in Biology and Medicine (LBM2005);
ACL05: for "Machine Learning for NLP” area, "Discourse, Dialogue and Multimodality" area, and Interactive Poster and Demo;
Advanced Technologies for Oriental Information Processing, 2005;
International Conference on Chinese Computing(ICCC 2005);
EMNLP 2004;
International Joint workshop on Natural Language Processing in Biomedicine and its Applications(IJNLPBA), CoLing'04
IJCNLP04: for "Information Extraction & "Q/A" area, "Word Segmentation" area, "Lexical Semantics" area, "Text Mining in Biomedicine" Thematic Session, Asian Language Resources workshop;
Computational Linguistics;
Journal of Artificial Intelligence Research (JAIR);
Bioinformatics;
PLoS Computational Biology;
Data & Knowledge Engineering;
BMC BioInformatics;
Information Processing and Management;
International Journal of Computational Linguistics & Chinese Language Processing;
IEEE Information System;
Computers and Humanities;
Journal of Bioinformatics and Computational Biology;
ACM Transaction on Asian Language Information Processing;
International Journal on Applied Intelligence;
International Journal of Information Technology;
Journal of Chinese Language and Computing;
Semantic Web: Revolutionizing Knowledge Discovery in the Life Sciences (book);
Member, Technology Advisor Committee of National Centre for Text Mining, UK (2007 – );
Professor(Adjunct), Harbin Institute of Technology, China (2005 - 2008);
Associate Professor(Adjunct), School of Information System, Singapore Management University (2005 - 2007);