2338 search results - page 174 / 468 » Using UML to model relational database operations |
172
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PODS
2010
ACM
15 years 11 months ago
2010
ACM
We investigate a higher-order query language that embeds operators of the positive relational algebra within the simply-typed λ-calculus. Our language allows one to succinctly de...
267
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ICDE
2003
IEEE
16 years 7 months ago
2003
IEEE
We present a query architecture in which join operators are decomposed into their constituent data structures (State Modules, or SteMs), and dataflow among these SteMs is managed ...
183
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ER
2004
Springer
15 years 11 months ago
2004
Springer
Abstract. Past research work on modeling and managing temporal information has, so far, failed to elicit support in commercial database systems. The increasing popularity of XML oï...
266
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Declarative data quality has been an active research topic. The fundamental principle behind a declarative approach to data quality is the use of declarative statements to realize...
190
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SIGMOD
2011
ACM
14 years 9 months ago
2011
ACM
An important means of allowing non-expert end-users to pose ad hoc queries — whether over single databases or data integration systems — is through keyword search. Given a set...