Volunteer

• Information Director of ACM SIGIR, 2016-present
• Member of KEYSTONE COST IC1302 (Semantic Keyword-based Search on Structured Data Sources), 2014-present
• Elected President of the Thai Student Association (Thailändischer Studenten-verein) in Hannover, 2013-2014
• Elected member of the Board of the Faculty of Information Technology and Mathematics, 2010-2011
• Elected committee for academic positions of the Faculty of Information Technology and Mathematics, 2010-2011
• Elected representative of temporary scientific staffs at Dept. of Computer and Information Science, 2010-2011 </ul>

Reviewer/Organizer

• Co-organizer of the 2nd International Workshop on Online Safety, Trust and Fraud Prevention (OnST’17) at ECIR’2017
• Publicity Chair of the ACM/IEEE-CS Joint Conference on Digital Libraries (JCDL’2017), Toronto, Canada
• Publicity Chair of the 20th International Conference on Theory and Practice of Digital Libraries (TPDL’2016), Hanover, Germany
• Doctoral Consortium Member of the 20th International Conference on Theory and Practice of Digital Libraries (TPDL’2016), Hanover, Germany
• Co-organizer of the 1st International Workshop on Human Memory-Inspired Multimedia Organization and Preservation (HMMP’15) at IEEE ICME’2015
• PC Member of International Conference on Theory and Practice of Digital Libraries: TPDL’2017
• PC Member of ACM/IEEE-CS Joint Conference on Digital Libraries: JCDL’2017
• PC Member of ACM Special Interest Group on Information Retrieval (short paper): SIGIR’2017, 2016, 2015, 2014, 2013, 2012, 2011
• PC Member of ACM International Conference on Information and Knowledge Management: CIKM’2016, 2015, 2013
• PC Member of ACM International Conference on Web Search and Data Mining: WSDM’2017, 2016
• PC Member of European Conference on Information Retrieval: ECIR’2017, 2016, 2015
• PC Member of SIGIR Workshop on Time-aware Information Access: TAIA’2015, 2014, 2013
• PC Member of Temporal Web Analytics Workshop: TempWeb’2017, 2016, 2015
• PC Member of International Conference of Artificial Intelligence in Portugal: EPIA’2013
• PC Member of International Database Engineering and Applications Symposium: IDEAS’2014
• PC Member of International Conference on Social Computing: SocialCom’2014
• PC Member of International Joint Conference on Natural Language Processing: IJCNLP’2013
• PC Member of International Workshop on Real-Time Analysis and Mining of Social Streams: RAMSS’2013
• PC Member of International Workshop on Histoinformatics: Histoinformatics’2016, 2014, 2013
• PC Member of International Workshop on Social News On the Web: SNOW’2017, 2016, 2014, 2013
• PC Member of RuSSIR Young Scientists Conference: RuSSIR-YSC’2013</a>
• PC Member of European Conference on Machine Learning and Knowledge Discovery (demo track): ECML/PKDD’2010
• Guest Editorial Board for a special issue of Information Processing & Management on Time and Information Retrieval: 2014
• Reviewer for International World Wide Web Conference: WWW’2015
• Reviewer for ACM Transactions on Information Systems: 2014
• Reviewer for International Journal on Digital Libraries: 2014
• Reviewer for Information Retrieval: 2013
• Reviewer for Information Systems: 2016
• Reviewer for Information Sciences: 2014, 2013
• Reviewer for Information Processing & Management: 2015, 2014
• Reviewer for International Conference on Social Informatics: SocInfo’2013
• Reviewer for Methods of Information in Medicine: Methods Inf. Med.’2013, 2012
• Reviewer for World Congress on Medical and Health Informatics: MEDInfo’2015, 2013
• Reviewer for Conference on Intelligent Text Processing and Computational Linguistics: CICLing’2013, 2012
• Reviewer for IEEE Transactions on Knowledge and Data Engineering: TKDE’2016, 2014, 2012
• Reviewer for Very Large Data Bases Conference (demo track): VLDB’2012
• Reviewer for International Journal of Computer Mathematics: IJCM’2012
• Reviewer for International Conference on Extending Database Technology: EDBT’2011
• Reviewer for International Conference on Theory and Practice of Digital Libraries: TPDL’2011
• Reviewer for International Web Archiving Workshop: IWAW’2009
• Reviewer for International Conference on Social Informatics: SocInfo’2013
• Reviewer for Methods of Information in Medicine: Methods Inf. Med.’2013, 2012
• Reviewer for World Congress on Medical and Health Informatics: MEDInfo’2015, 2013
• Reviewer for Conference on Intelligent Text Processing and Computational Linguistics: CICLing’2013, 2012
• Reviewer for IEEE Transactions on Knowledge and Data Engineering: TKDE’2016, 2014, 2012
• Reviewer for Very Large Data Bases Conference (demo track): VLDB’2012
• Reviewer for International Journal of Computer Mathematics: IJCM’2012
• Reviewer for International Conference on Extending Database Technology: EDBT’2011
• Reviewer for International Conference on Theory and Practice of Digital Libraries: TPDL’2011
• Reviewer for International Web Archiving Workshop: IWAW’2009