Area, Workshop and Session Chair

• Demo Chair, ACL 2022
• Area Chair, AAAI 2022
• Senior Area Chair for Information Extraction, NAACL-HLT 2021
• Area Chair for Question Answering, ACL-IJCNLP 2021
• Area Chair for Multidisciplinary NLP, EMNLP 2021
• Area Chair, AAAI 2021
• Area Chair for Machine Learning, ACL 2020
• Area Chair for Information Extraction, AKBC 2020
• Senior Area Chair for Question Answering, ACL 2019
• Session Chair for Dialog and Interactive systems, ACL 2019
• Area Chair for Dialog and Interactive systems, NAACL 2019
• Session Chair for NLP Applications, NAACL 2019
• Session Chair for Dialog, EMNLP 2018
• Area Chair for Question Answering, ACL 2018
• Session Chair for Dialog Systems, ACL 2018
• Area Chair for Text Mining, NAACL 2018
• Area Chair for Question Answering, ACL 2017
• Session Chair for Information Extraction, ACL 2017
• Area Chair for Sentiment Analysis Opinion Mining, ACL 2016
• Session Chair for Information Extraction, ACL 2016
• Senior PC IJCAI 2016
• Area Chair for Lexical Semantics and Ontology, ACL-IJCNLP 2015
• Workshop Chair EMNLP 2015

Conference and Workshop Organizer

• 3rd Workshop on Simple and Efficient Natural Language Processing (SustaiNLP)
  EMNLP 2022


• 2nd Workshop on Simple and Efficient Natural Language Processing (SustaiNLP)
  EMNLP 2021


• 5th Workshop on Structured Prediction for NLP
  ACL-IJCNLP 2021


• 4th Workshop on Structured Prediction for NLP
  EMNLP 2020


• Workshop on On-Device Machine Learning & Compact Deep Neural Network Representations (ODML-CDNNR)
  ICML 2019


• 3rd Workshop on Structured Prediction for NLP
  NAACL 2019


• Workshop on TextGraphs-8: Graph-based Methods for Natural Language Processing
  EMNLP 2013


• Workshop on Metaphor in Natural Language Processing
  NAACL 2013


• Workshop on Relational Models of Semantics
  ACL 2011


• Workshop on Information Extraction and Knowledge Acquisition
  RANLP 2011


• Reconnect
  Conference 2010

Program Committee

• 2020: WSDM (Senior Program Committee), AAAI (Senior Prorgam Commitee)
• 2019: WSDM, WWW, AAAI
• 2018: WSDM, WWW, EMNLP
• 2017: EMNLP, WWW, IJCAI, *SEM, IJCNLP, AAAI
• 2016: NAACL, EMNLP, *SEM, CLIB
• 2015: ACL, NAACL, EMNLP, CIKM
• 2014: ACL, EMNLP, COLING, EACL, AAAI
• 2013: ACL, WWW, AAAI, EMNLP, CIKM, *SEM, RANLP, K-CAP, GSCL, NLDB, EPIA, WASSA, IJCNLP
• 2012: ACL, NAACL, AAAI, EMNLP-CoNLL, EACL, WWW, COLING, LREC, NLDB, NAACL student workshop, EACL student workshop, TextGraphs-7 workshop (ACL), Workshop on The People’s Web meets NLP: Collaboratively Constructed Semantic Resources and their Applications to NLP (ACL), Computational Approaches to Subjectivity and Sentiment Analysis (EACL)
• 2011: ACL, EMNLP, AAAI, IJCNLP, NLDB, IJCAI, Search and Mining User generated Contents (CIKM), GEMS: GEometrical Models of Natural Language Semantics (EMNLP), MWE: Workshop on Multiword Expressions (ACL), 2nd Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (WASSA) (ACL), ICLWorkshop (SEPLN)
• 2010: EMNLP, Coling, SMUC, LREC, SemEval, Workshop on Multiword Expressions (COLING), Workshop on Computational Approaches to Analysis and Generation of Emotion in Text (NAACL), Workshop on Semantic Search (NAACL), Workshop on Computational Approaches to Subjectivity and Sentiment Analysis (WASSA)
• 2009: EMNLP, EACL, MSM
• 2008: CLEF, CITII
• 2007: ACL, EUROLAN
• 2006: EACL

Scientific Challenge Organizer

• Sentiment Analysis on Twitter
  SemEval 2013 Task #2


• Free Paraphrases of Noun Compounds
  SemEval 2013 Task #4


• Choice Of Plausible Alternatives (COPA)
  SemEval 2012 Task #23


• Classifying Relations Between Nominals
  SemEval 2010 Task #8

Seminar Organizer

• Natural Language Seminar Series [2010-2011]
  Information Sciences Insitute
  

Government Grant Panelist and Reviewer

• National Science Foundation (NSF)
  Grant Reviewer, USA, 2013


• European Commission (EC)
  Grant Reviewer, Brussels, Belgium, 2012


• National Science Foundation (NSF)
  Grant Reviewer, USA, 2012


• Research Grant Council (RGC)
  Grant Reviewer, Hong Kong, 2011


• National Science Foundation (NSF)
  Grant Reviewer, USA, 2010