- Regional Division Head: Texas A&M Engineering Experiment Station - TEES, 2016 - present
- Organizating Committee: Geocomputation 2015
- Board of Director: The SSTD Endowment
- General Chair: Symposium on Spatial and Temporal Databases, 2017
- General Chair: ACM SIGSpatial GIS 2014, 2015
- Editor: Geoinformatica Special Issue on Spatial Computing in Emergency Management
- 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
- Program Chair : International Workshop on Spatial and Spatiotemporal Data Mining (SSTDM), 2013; 8th ACM SIGSPATIAL International Workshop on Computational Transportation Science (IWCTS) 2015; 1st ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management (EM-GIS) 2015
- Demo Chair : 14th International Conference on Mobile Data Management, 2013, 2018
- Treasurer : ACMGIS 2007, ACMGIS 2008, ACM SIGSpatial GIS 2009 - 2013
- Publicity Chair : FSKD 2007, WASA 2009
- Publication Chair : SSTD 2011
- Financial Chair : ICDM 2013
- External Thesis Reviewer/Committee: University of Queensland 2016 (twice), University of Melbourne 2016, University of Aalborg 2016
- Reviewer: Grace Hopper Women in Computing Student Research Poster competition, 2014
- Reviewer: NASA Research Opportunities in Space and Earth Science (ROSES), 2014, 2016
- Judge: Grace Hopper Women in Computing Student Research Poster competition, 2013
- Track Chair : ICISTM-2011 Information Technology Track
- Panelist: : 3rd ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS)
- Program Committee: 2nd IEEE International Workshop on Big Spatial Data 2017, Symposium on Spatial and Temporal Databases, 2017, Geoprocessing 2017, Big Spatial Data Workshop at IEEE Big Data Conference 2016, SIGSPATIAL International Workshop on Analytics for Big Geospatial Data 2016, 2nd ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management (EM-GIS) 2016, 7th ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS) 2016, ACMSIGSPATIAL'16, 5th International Workshop on Urban Computing (2016), DASFAA (2016), The 21st International Conference on Database Systems for Advanced Applications), 1st ACM SIGSPATIAL International Workshop on the Use of GIS in Emergency Management (EM-GIS) 2015, 8th ACM SIGSPATIAL International Workshop on Computational Transportation Science (IWCTS) 2015, 4th ACM SIGSPATIAL International Workshop on Analytics for Big Geospatial Data 2015, 2nd International Workshop on Pattern Mining and Application of Big Data (BigPMA) 2015, SSTD 2015, ACMSIGSPATIAL'14, IWGS workshop 2014, UrbComp 2014, SIGMOD 2014 demo program, 1st International Workshop on Pattern Mining and Application of Big Data (BigPMA) 2014, 4th ACM SIGSPATIAL International Workshop on GeoStreaming (IWGS) 2013, The 2nd International Workshop on Urban Computing (UrbComp 2013), 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: Knowledge and Information Systems (2017), Transactions on Intelligent Systems and Technology (2017), ACM Transactions on Spatial Algorithms and Systems (2017), ACM Transactions on Spatial Algorithms and Systems (2016), ACM Transactions on Database Systems (TODS) (2016), Springer Book: Seeing Cities Through Big Data - Research, Methods and Applications in Urban Informatics (2015), ACM Transactions on Spatial Algorithms and Systems (2015), Mathematical Problems in Engineering 2015, Journal of Combinatorial Optimization (2014), TKDE (2014), Knowledge and Information Systems (KAIS) (2014), IEEE Transactions on Dependable and Secure Computing (2014), Journal of Computational Geometry (2014), ACM Transaction on Spatial Algorithms and Systems (2014), Distributed and Parallel Databases (2014), ACM Transactions on Database Systems (TODS) (2014), TKDE (2013), Distributed and Parallel Databases (2013), 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, 2015
- Reviewer : Natural Sciences and Engineering Research Council of Canada (NSERC), 2013, 2017
- NSF panels Career Panel (October 2014), IIS panel (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