588 search results - page 33 / 118 » Positive higher-order queries |
160
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GIS
2010
ACM
15 years 1 months ago
2010
ACM
Research on Moving Object Databases (MOD) has resulted in sophisticated query mechanisms for moving objects and regions. Wireless Sensor Networks (WSN) support a wide range of app...
133
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SSDBM
2008
IEEE
15 years 10 months ago
2008
IEEE
We propose an automatic method for modeling a relational database that uses SQL triggers and foreign-keys to efficiently answer positive semantic queries about ground instances for...
174
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TKDE
2010
14 years 11 months ago
2010
The idea of allowing query users to relax their correctness requirements in order to improve performance of a data stream management system (e.g., location-based services and senso...
157
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TKDE
2011
14 years 8 months ago
2011
Given a positive value r, a distance based range query returns the objects that lie within the distance r of the query location.
In this paper, we focus on the distance based rang...
216
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VLDB
2007
ACM
16 years 4 months ago
2007
ACM
Record matching is the task of identifying records that match the same real world entity. This is a problem of great significance for a variety of business intelligence applicatio...