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ICDT
2001
ACM
162views Database» more  ICDT 2001»
14 years 3 days ago
Algebraic Rewritings for Optimizing Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in query optimization, data integration, data warehousing etc. Query rewriting in relational databases ...
Gösta Grahne, Alex Thomo
SIGMOD
1992
ACM
160views Database» more  SIGMOD 1992»
13 years 11 months ago
Extensible/Rule Based Query Rewrite Optimization in Starburst
This paper describes the Query Rewrite facility of the Starburst extensible database system, a novel phase of query optimization. We present a suite of rewrite rules used in Starb...
Hamid Pirahesh, Joseph M. Hellerstein, Waqar Hasan
SIGMOD
1999
ACM
136views Database» more  SIGMOD 1999»
13 years 12 months ago
Query Rewriting for Semistructured Data
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 ...
Yannis Papakonstantinou, Vasilis Vassalos
ADBIS
2000
Springer
188views Database» more  ADBIS 2000»
14 years 22 hour ago
Algorithms for Rewriting Aggregate Queries Using Views
Queries involving aggregation are typical in a number of database research areas, such as data warehousing, global information systems and mobile computing. One of the main ideas ...
Sara Cohen, Werner Nutt, Alexander Serebrenik
PPDP
2007
Springer
14 years 1 months ago
A simple rewrite notion for call-time choice semantics
Non-confluent and non-terminating rewrite systems are interesting from the point of view of programming. In particular, existing functional logic languages use such kind of rewri...
Francisco Javier López-Fraguas, Juan Rodr&i...