6650 search results - page 137 / 1330 » Mutating database queries |
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ICDT
2003
ACM
15 years 8 months ago
2003
ACM
We study extensions of first-order logic over the reals with different types of transitive-closure operators as query languages for constraint databases that can be described by...
137
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COOPIS
2004
IEEE
15 years 7 months ago
2004
IEEE
Abstract. We consider the use of a cluster system for managing autonomous databases. In order to improve the performance of read-only queries, we strive to exploit user requirement...
128
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FUIN
2002
15 years 3 months ago
2002
Abstract. In the paper we deal with the problem of modeling and querying information in schemaless databases of partially labeled objects (PLO-DB). Partially labeled objects are us...
215
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ICDE
2005
IEEE
16 years 5 months ago
2005
IEEE
We propose a new ranking paradigm for relational databases called Structured Value Ranking (SVR). SVR uses structured data values to score (rank) the results of keyword search que...
151
Voted
COLING
2000
15 years 5 months ago
2000
Recent years have shown a surge in interest in temporal database systems, which allow users to store time-dependent intbrmation. We present a novel controlled natural language int...