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ISCI
2007
14 years 9 months ago
2007
Selectivity estimation is an important step of query optimization in a database management system, and multidimensional histogram techniques have proved promising for selectivity ...
159
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GIS
2005
ACM
15 years 10 months ago
2005
ACM
Recent research literature on sensor network databases has focused on finding ways to perform in-network aggregation of sensor readings to reduce the message cost. However, with t...
ICRA
2009
IEEE
15 years 4 months ago
2009
IEEE
— Recent applications of robotics often demand two types of spatial awareness: 1) A fine-grained description of the robot’s immediate surroundings for obstacle avoidance and p...
ENVSOFT
2006
14 years 9 months ago
2006
GREAT-ER (Geography-referenced Regional Exposure Assessment Tool for European Rivers) is a model system for predicting chemical fate and exposure in surface waters. The GREAT-ER a...
139
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GIS
2010
ACM
14 years 8 months ago
2010
ACM
The quality of a local search engine, such as Google and Bing Maps, heavily relies on its geographic datasets. Typically, these datasets are obtained from multiple sources, e.g., ...