2674 search results - page 292 / 535 » Data Models and Query Languages for Spatial Databases |
279
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
Mobile devices equipped with positioning capabilities (e.g., GPS) can ask location-dependent queries to Location Based Services (LBS). To protect privacy, the user location must n...
276
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ECOI
2011
15 years 1 months ago
2011
The potential for physical flora collections to support scientific research is being enhanced by rapid development of digital databases that represent characteristics of the physic...
177
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WWW
2008
ACM
16 years 7 months ago
2008
ACM
This paper studies the problem of unified ranked retrieval of heterogeneous XML documents and Web data. We propose an effective search engine called Sailer to adaptively and versa...
173
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DASFAA
2009
IEEE
15 years 10 months ago
2009
IEEE
Abstract. The suppression scheme is a solution for limited energy constraints in sensor networks. Temporal suppression, spatial suppression and spatio-temporal suppression are prop...
180
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ADBIS
2003
Springer
15 years 12 months ago
2003
Springer
Abstract. XML views can be used in Web applications to resolve incompatibilities among heterogeneous XML sources. They allow to reduce the amount of data that a user has to deal wi...