103 search results - page 2 / 21 » Views and queries: determinacy and rewriting |
ICEIS
2003
IEEE
13 years 10 months ago
2003
IEEE
: We propose in this article an object-oriented approach to rewriting queries using views. Our approach aims to mitigate certain limitations of existing query rewriting approaches....
ICDT
2005
ACM
13 years 10 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
VLDB
2005
ACM
13 years 10 months ago
2005
ACM
As a simple XML query language but with enough expressive power, XPath has become very popular. To expedite evaluation of XPath queries, we consider the problem of rewriting XPath...
SIGMOD
1999
ACM
13 years 9 months ago
1999
ACM
We address the problem of query rewriting for TSL, a language for querying semistructured data. We develop and present an algorithm that, given a semistructured query q and a set ...
ICDT
2001
ACM
13 years 9 months ago
2001
ACM
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...