3269 search results - page 390 / 654 » Query Optimization for XML |
178
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VLDB
1989
ACM
15 years 10 months ago
1989
ACM
An Event-Join combinestemporaljoin and outerjoin properties into a single operation. It is mostly used to group temporal attributes of an entity into a single relation. In this pa...
249
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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...
154
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DEXA
2004
Springer
15 years 11 months ago
2004
Springer
Data integration is a significant challenge: relevant data objects are split across multiple information sources, and often owned by different organizations. The sources represent...
186
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SAC
1997
ACM
15 years 10 months ago
1997
ACM
Infomaster is an information integration system. It provides integrated access to distributed, heterogeneous information sources, thus giving its users the illusion of a centraliz...
177
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VLDB
1989
ACM
15 years 10 months ago
1989
ACM
This paper presents a parallel algorithm for recursive query processing and shows how it can be efficiently implemented in a local computer network. The algorithm relies on an int...