Organizing Committee:

• Co-chair, Poster and Demo Track, The 2017 Internal Semantic Web Conference (ISWC 2017).
• The First International Workshop on Biomedical Data Integration and Discovery (BMDID 2016), Co-located with the 2016 International Semantic Web Conference (ISWC 2016)
• International Workshop on Biomedical Data Mining, Modeling, and Semantic Integration: A Promising Approach to Solving Unmet Medical Needs (BDM2I 2015), Co-located with the 2015 International Semantic Web Conference (ISWC2015)
• Organizing chair for the 2012 ~ 2013 Graduate Research Seminar Series of the CSE department of Lehigh University

Conference Program Committee:

• The Web Conference/WWW: 2021, 2020, 2019, 2018
• ISWC, Research Track: 2018, 2017, 2016, 2015; In-Use Track: 2021, 2020, 2019, 2018, 2017, 2016; Industry Track: 2019, 2018
• CIKM, Applied Research Track: 2020
• EMNLP, Demo Track: 2020, 2019, 2018
• ESWC: 2020, 2019
• AAAI: 2018, 2017, 2016
• IJCAI: 2016
• K-CAP: 2015
• ICSC: 2016
• Web Intelligence: 2018, 2016, 2015
• ICWE, Application Track: 2017
• Internet of Things and Big Data (IoTBD): 2016
• WISE: 2015
• MASC-SLL: 2013

Journal Reviewer:

• IEEE TKDE: 2018, 2017, 2015, 2014
• IEEE TSC: 2020
• Journal of Web Semantics (JWS): 2017, 2012, 2011
• IEEE Transactions on Biomedical Engineering: 2018
• IEEE Internet Computing (IC): 2016
• Journal of Biomedical Semantics (JBSM): 2015
• Journal of Biomedical and Health Informatics (J-BHI): 2015, 2014
• ACM Journal of Data and Information Quality (JDIQ): 2013
• Open Journal of Databases (OJDB): 2015
• Computer and Information Science (CIS): 2015

Workshop Program Committee:

• 6th Open Challenge on Question Answering over Linked Data (QALD-6), co-located with the 2016 Extended Semantic Web Conference (ESWC 2016)
• International Workshop on Semantic Big Data (SBD 2016), in conjunction with 2016 ACM International Conference on Management of Data (SIGMOD 2016)
• The 2016 International Workshop on Summarizing and Presenting Entities and Ontologies (SumPre 2016), co-located with the 2016 European Semantic Web Conference (ESWC 2016)
• The 2015 International Workshop on Vaccine and Drug Ontology Studies (VDOS 2015), in conjunction with the 6th International Conference on Biomedical Ontology (ICBO 2015)
• The fourth international workshop on Knowledge Discovery and Data Mining Meets Linked Open Data (Know@LOD 2015), co-located with the 2015 European Semantic Web Conference (ESWC 2015)
• The Workshop on Surfacing the Deep and the Social Web (SDSW 2015), co-located with the 2015 European Semantic Web Conference (ESWC 2015)
• The first International Workshop on Summarizing and Presenting Entities and Ontologies (SumPre 2015), co-located with the 2015 European Semantic Web Conference (ESWC 2015)
• International Workshop on Semantic and Web (SaW 2015), co-located with 18th IEEE International Conference on Computational Science and Engineering

External Reviewer

• ACL: 2021, 2020
• AMIA 2017 Annual Symposium (AMIA 2017)
• International Conference on Biomedical Ontology 2015 (ICBO 2015)
• SIAM International Conference on Data Mining (SDM15)
• AMIA 2015 Joint Summits on Translational Science (TBI/CRI 2015)
• The World Congress on Health and Biomedical Informatics (MedInfo 2015, MedInfo 2017)
• The 12th International Semantic Web Conference (ISWC 2013)
• WWW 2010
• AAAI 2010 & 2011
• IJCAI 2011