123 search results - page 19 / 25 » Query Processing Using Distance Oracles for Spatial Networks |
200
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ICDE
2008
IEEE
16 years 2 months ago
2008
IEEE
Network data models are frequently used as a mechanism to describe the connectivity between spatial features in many emerging GIS applications (location-based services, transporta...
121
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JIIS
2006
15 years 1 months ago
2006
: Geographic information (e.g., locations, networks, and nearest neighbors) are unique and different from other aspatial attributes (e.g., population, sales, or income). It is a ch...
107
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MOBIHOC
2003
ACM
16 years 22 days ago
2003
ACM
Spatial query execution is an essential functionality of a sensor network, where a query gathers sensor data within a specific geographic region. Redundancy within a sensor networ...
115
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ICRA
2007
IEEE
15 years 7 months ago
2007
IEEE
— We introduce an algorithm which detects and traces a specified level set of a scalar field (a contour) on a plane. A network of static sensor nodes with limited communication...
227
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ICDE
2007
IEEE
16 years 2 months ago
2007
IEEE
Monitoring predefined patterns in streaming time series is useful to applications such as trend-related analysis, sensor networks and video surveillance. Most current studies on s...