2217 search results - page 191 / 444 » Rank-aware Query Optimization |
160
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SIGMOD
1994
ACM
15 years 10 months ago
1994
ACM
We present a framework which allows the user to access and manipulate data uniformly, regardless of whether it resides in a database or in the file system (or in both). A key issu...
188
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FAW
2008
Springer
15 years 8 months ago
2008
Springer
Abstract. We study a constrained version of the shortest path problem in polygonal domains, in which the path must visit a given target polygon. We provide an efficient algorithm f...
167
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AI
2010
Springer
15 years 6 months ago
2010
Springer
We consider the problem of finding an unknown graph by using two types of queries with an additive property. Given a graph, an additive query asks the number of edges in a set of ...
162
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VLDB
1997
ACM
15 years 10 months ago
1997
ACM
Scheduling query execution plans is a particularly complex problem in hierarchical parallel systems, where each site consists of a collection of local time-shared (e.g., CPU(s) or...
160
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SIGECOM
2008
ACM
15 years 6 months ago
2008
ACM
We consider the problem of query rewrites in the context of keyword advertisement. Given a three-layer graph consisting of queries, query rewrites, and the corresponding ads that ...