2217 search results - page 129 / 444 » Rank-aware Query Optimization |
162
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ISAAC
2005
Springer
15 years 11 months ago
2005
Springer
In this paper we present space-query trade-offs for external memory data structures that answer shortest path queries on planar directed graphs. For any S = Ω(N1+ ) and S = O(N2...
170
Voted
COLT
2003
Springer
15 years 11 months ago
2003
Springer
Abstract. In this paper we initiate an exploration of relationships between “preference elicitation”, a learning-style problem that arises in combinatorial auctions, and the pr...
149
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WMCSA
2002
IEEE
15 years 11 months ago
2002
IEEE
We show how the database community’s notion of a generic query interface for data aggregation can be applied to ad-hoc networks of sensor devices. As has been noted in the senso...
153
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COOPIS
1999
IEEE
15 years 10 months ago
1999
IEEE
There is currently great interest in building information mediators that can integrate informationfrom multipledata sources such as databases or Web sources. The query response ti...
244
Voted
SIGMOD
2005
ACM
16 years 6 months ago
2005
ACM
The problem of estimating progress for long-running queries has recently been introduced. We analyze the characteristics of the progress estimation problem, from the perspective o...