Associate Editor: International Journal on Advances of Computer Science for Geographic Information Systems
Reviewer: UbiComp 2011, Travel Scholarship Applications for the Grace Hopper Celebration of Women in Computing, 2008
Field Editor: Encyclopedia of Geographical Information Science, by Springer
Demo Chair : 14th International Conference on Mobile Data Management, 2013
Treasurer : ACMGIS 2007, ACMGIS 2008, ACM SIGSpatial GIS 2009 - 2011
Publicity Chair : FSKD 2007, WASA 2009
Publication Chair : SSTD 2011
Financial Chair : ICDM 2013
Track Chair : ICISTM-2011 Information Technology Track
Panelist: : 3rd ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS)
Program Committee: 13th International Symposium on Spatial and Temporal Databases Demo Program 2013, 3rd ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS) 2012, 1st ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data, SIGMOD 2013, ICDE 2013, CIKM 2012, International Workshop on Urban Computing at KDD 2012, SPIE Defense, Security, and Sensing: Geospatial InfoFusion II 2011, 3rd ACM SIGSPATIAL International Workshop on Location Based Social Networks, ICDM 2011, International Workshop on GeoStreaming (IWGS) 2011, First International Workshop on Spatial Information Modeling, Management and Mining (SIM3) 2011, MDM 2011, International Workshop on GeoStreaming (IWGS) 2010, DKSS 2010, CIKM 2010, APSIPA 2010, ISI 2010, ICMLA 2009, ACM SIGSpatial GIS 2009, WASA 2009, DEXA 2009, ICDM 2009, SNAS'09 - Workshop on Social Networks, Applications, and Systems, Firrst International Workshop on Data Warehousing and Knowledge Discovery from Sensors and Streams (DKSS 2009), ISI 2009, APWeb-WAIM 2009, SDM 2009, GEOWS 2009, ICMLA 2008, WASA 2008, KDE 2008, IADIS ECDM 2008, FSKD 2008, ACMGIS 2008 (treasurer), MDMM 2008, ICMLA 2007, ICTAI 2007, MDMM 2007, SSTDM 2007, ACMGIS 2007 (treasurer), FSKD 2007 (publicity chair), CIDM 2007, AIDM 2006, DMSN 2006, ICMLA 2006, ICDM 2006, WMDP 2006, ICTAI 2006, SIAM DM 2006 (session chair for collaborative mining), PAKDD 2006, IADIS Applied Computing 2004 , ACM GIS 2004 , GBDM 2004
Reviewer: Journal of Spatial Science (2013), ACM TIST (2013), ACM TIST (2012), Knowledge and Information Systems (KAIS) (2012), ACM Transactions on Database Systems (TODS) (2012), TKDD (2012), Association for American Geographers (2012), TKDE (2012), TIST (2012), Transportation Research (2011), Frontiers of Earth Science (2010), VLDB (2009), Geoinformatica (2009,2010,2011), Computers, Environment and Urban Systems (2008), Computers & Geosciences (2008), DMKD (2008), TKDE (2008), DMKD (2007), KAIS (2007), Journal of Data & Knowledge Engineering (DKE) (2006), Theoretical Computer Science, Pervasive and Mobile Computing IEEE Transaction on Knowledge and Data Engineering (TKDE), Journal of Computer Science and Technology (JCST), Journal of Geoinformatica, ACM Conference on Information and Knowledge Management (CIKM), IEEE Computing in Science and Engineering (CiSE) magazine, and IEEE International Conference on Data Mining (ICDM), Database Systems for Advanced Applications (DSFAA)
Reviewer : U.S. Army Corps of Engineers Engineer Research and Development Center, 2013
NSF panels (May 2013, 1-2 times a year 2004-2012)
Selected to participate in: CRA CCC Leadership in Science Policy Institute (LiSPI), 2013
Texas Department of Transportation RMC 4, TAP member