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» Enabling Query Processing on Spatial Networks
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GIS
2005
ACM
14 years 8 months ago
Monitoring dynamic spatial fields using responsive geosensor networks
Information about dynamic spatial fields, such as temperature, windspeed, or the concentration of gas pollutant in the air, is important for many environmental applications. At th...
Matt Duckham, Silvia Nittel, Michael F. Worboys
ICDE
2009
IEEE
219views Database» more  ICDE 2009»
14 years 9 months ago
Distance Oracles for Spatial Networks
The popularity of location-based services and the need to do real-time processing on them has led to an interest in performing queries on transportation networks, such as finding s...
Jagan Sankaranarayanan, Hanan Samet
GIS
2003
ACM
14 years 8 months ago
Processing in-route nearest neighbor queries: a comparison of alternative approaches
Nearest neighbor query is one of the most important operations in spatial databases and their application domains, e.g., locationbased services, advanced traveler information syst...
Shashi Shekhar, Jin Soung Yoo
ICDE
2011
IEEE
288views Database» more  ICDE 2011»
12 years 11 months ago
Optimal location queries in road network databases
— Optimal location (OL) queries are a type of spatial queries particularly useful for the strategic planning of resources. Given a set of existing facilities and a set of clients...
Xiaokui Xiao, Bin Yao 0002, Feifei Li
GIS
2005
ACM
14 years 8 months ago
ASPEN: an adaptive spatial peer-to-peer network
Geographic Information Systems (GIS) are increasingly managing very large sets of data and hence a centralized data repository may not always provide the most scalable solution. H...
Haojun Wang, Roger Zimmermann, Wei-Shinn Ku