995 search results - page 83 / 199 » Optimization of Complex Nested Queries in Relational Databas... |
230
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ICDE
2007
IEEE
16 years 4 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
116
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SEMWEB
2005
Springer
15 years 8 months ago
2005
Springer
Semantic query optimization (SQO) has been proved to be quite useful in various applications (e.g., data integration, graphical query generators, caching, etc.) and has been extens...
128
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DBPL
1991
Springer
15 years 6 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
156
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JAPLL
2010
15 years 1 months ago
2010
Answering queries over an incomplete database w.r.t. a set of constraints is an important computational task with applications in fields as diverse as information integration and ...
131
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WWW
2004
ACM
16 years 3 months ago
2004
ACM
This paper presents a system for efficient data transformations between XML and relational databases, called XML Data Mediator (XDM). XDM enables the transformation by externalizi...