1430 search results - page 95 / 286 » Query operations for moving objects database systems |
187
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ICDE
2003
IEEE
16 years 2 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...
185
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SIGMOD
2005
ACM
16 years 1 months ago
2005
ACM
This paper introduces RankSQL, a system that provides a systematic and principled framework to support efficient evaluations of ranking (top-k) queries in relational database syst...
117
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ICDCS
2006
IEEE
15 years 7 months ago
2006
IEEE
In this paper we propose a novel algorithm called Rank-Based Broadcast (RBB) for discovery of local resources in mobile P2P networks. With RBB, each moving object periodically bro...
123
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CIKM
2009
Springer
15 years 6 months ago
2009
Springer
The ability to deal with uncertain information is becoming increasingly important for modern database applications. Whereas a conventional (certain) object is usually represented ...
142
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ECOOP
1992
Springer
15 years 5 months ago
1992
Springer
This paper introduces a new model, based on so-called object-composition filters, that uniformly integrates database-like features into an object-oriented language. The focus is o...