Editorial Positions
- GeoJournal (Springer), Editorial board member
Conference Organization
- Technical Program Committee Co-Chair, 7th International Conference on Collaborative Computing (CollaborateCom), Orlando, October 15-18, 2011
Program Committee Member
- 2012: AAAI-Web, ECIR, ICWSM, JCDL, PAKDD, SIGIR, WebQuality, WWW
- 2011: AAAI-Web, CIKM, CoopIS, JCDL, WebQuality, WWW
- 2010: CollaborateCom, CoopIS, ICDM, JCDL, SocialCom, WICOW
- 2009: AIRWeb, CollaborateCom, CoopIS, JCDL, ICDM, WICOW
- 2008: AIRWeb, CollaborateCom, CoopIS, ICDM, WICOW
Reviewer
- ACM Transactions on Information Systems (TOIS)
- ACM Transactions on Internet Technology (TOIT)
- ACM Transactions of Information and System Security (TISSEC)
- ACM Transactions on the Web (TWEB)
- Data and Knowledge Engineering
- IEEE Computer Magazine
- IEEE Transactions on Knowledge and Data Engineering (TKDE)
- IEEE Transactions on Services Computing
- International Journal of Cooperative Information Systems (IJCIS)
- Journal of Information Science
- Journal of Knowledge-Based Systems (Elsevier)
- Transactions in GIS (Wiley)
Panelist
- National Science Foundation: Fall 2009, Spring 2010, Spring 2011, Spring 2012
Departmental Service
- Advisory Committee (One of two Assistant Professors elected), 2008-present
- Undergraduate Curriculum and ABET Committee, 2008-2011
- Library Committee, 2007-2008
Other Professional Service
- Liaison, PyTexas, the fourth annual free Python programming conference for Texas and the surrounding region, September 20-11, 2011 at the CSE department at Texas A&M, Over 200 participants.
- Tutorials Chair, 3rd International Conference on Collaborative Computing (CollaborateCom 2007)
- Local Arrangements Chair, 2nd International Conference on Collaborative Computing (CollaborateCom 2006)
- Finance Chair, 4th Conference on Email and Anti-Spam (CEAS 2007)
- Student Volunteer, 22nd International Conference on Data Engineering (ICDE 2006)