Sorting in Space and Network Distance Browsing (animated), (cumulative)
Scalable Network Distance Browsing in Spatial Databases, SIGMOD 2008, Vancouver, Canada, June 2008 (Updated 2011), (ACM DSP)
SILC: Efficient Query Processing on Spatial Networks
Spatial Databases and Geographical Information Systems
Issues in Spatial Databases and Geographical Information Systems (Abbreviated)
Issues in Spatial Databases and Geographical Information Systems (Full)
AI Day, University of Maryland, May 27, 2007
Multifaceted Toponym Recognition for Streaming News, SIGIR 2011, Beijing, China, July 2011
Place-Based Information Systems: Textual Location Identification and Visualization, (ACM DSP)
Query Processing and Optimization for Pictorial Query Trees (Videos) (Demos)