3514 search results - page 283 / 703 » On Moving Object Queries |
252
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SIGMOD
2008
ACM
16 years 6 months ago
2008
ACM
We present HERMES, a prototype system based on a powerful query language for trajectory databases, which enables the support of aggregative Location-Based Services (LBS). The key ...
193
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DLOG
2011
14 years 10 months ago
2011
Abstract. In this paper, we introduce a paraconsistent extension of Rough Description Logics which allows the representation of incomplete and contradictory concepts, as well as th...
163
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SSDBM
2000
IEEE
15 years 11 months ago
2000
IEEE
In implementations of non-standard database systems, large objects are often embedded within an aggregate of different types, i.e. a tuple. For a given size and access probabilit...
274
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
A spatial preference query ranks objects based on the qualities of features in their spatial neighborhood. For example, consider a real estate agency office that holds a database ...
190
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COOPIS
2002
IEEE
15 years 11 months ago
2002
IEEE
Mobile services offering multi-feature query capabilities must meet tough response time requirements to gain customer acceptance. The top-k query model is a popular candidate to im...