2228 search results - page 364 / 446 » On Database Theory and XML |
271
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GIS
2003
ACM
16 years 7 months ago
2003
ACM
With the proliferation of mobile computing, the ability to index efficiently the movements of mobile objects becomes important. Objects are typically seen as moving in two-dimensi...
287
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GIS
2004
ACM
16 years 7 months ago
2004
ACM
Spatial, temporal and spatio-temporal aggregates over continuous streams of remotely sensed image data build a fundamental operation in many applications in the environmental scie...
261
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ICDT
2009
ACM
16 years 6 months ago
2009
ACM
Schema mappings are declarative specifications that describe the relationship between two database schemas. In recent years, there has been an extensive study of schema mappings a...
268
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SIGMOD
2009
ACM
16 years 6 months ago
2009
ACM
The skyline of a d-dimensional dataset consists of all points not dominated by others. The incorporation of the skyline operator into practical database systems necessitates an ef...
268
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SIGMOD
2006
ACM
16 years 6 months ago
2006
ACM
Text is ubiquitous and, not surprisingly, many important applications rely on textual data for a variety of tasks. As a notable example, information extraction applications derive...