164 search results - page 9 / 33 » A Relational Algebra for Functional Logic Deductive Database... |
146
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SIGMOD
2008
ACM
15 years 10 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
AI
2008
Springer
14 years 10 months ago
2008
Springer
Local computation in join trees or acyclic hypertrees has been shown to be linked to a particular algebraic structure, called valuation algebra. There are many models of this alge...
XIMEP
2005
ACM
15 years 3 months ago
2005
ACM
We report on a compilation procedure that derives relational algebra plans from arbitrarily nested XQuery FLWOR blocks. While recent research was able to develop relational encodi...
185
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ICDE
2006
IEEE
15 years 11 months ago
2006
IEEE
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
JELIA
1990
Springer
15 years 1 months ago
1990
Springer
Traditional accounts of the semantic interpretation of quantified phrases and its interaction with reference and ellipsis have relied on formal manipulations of logical forms (qua...