Sciweavers

88 search results - page 7 / 18
» Object-Oriented Programming with Recursive Queries
Sort
View
PODS
1997
ACM
149views Database» more  PODS 1997»
14 years 2 months ago
Answering Recursive Queries Using Views
We consider the problem of answering datalog queries using materialized views. The ability to answer queries using views is crucial in the context of information integration. Prev...
Oliver M. Duschka, Michael R. Genesereth
PODS
1992
ACM
100views Database» more  PODS 1992»
14 years 1 months ago
On the Equivalence of Recursive and Nonrecursive Datalog Programs
: We study the problem of determining whether a given recursive Datalog program is equivalent to a given nonrecursive Datalog program. Since nonrecursive Datalog programs are equiv...
Surajit Chaudhuri, Moshe Y. Vardi
ERSHOV
2006
Springer
14 years 1 months ago
Chase of Recursive Queries
In this work, we present a semantic query optimization technique to improve the efficiency of the evaluation of a subset of SQL:1999 recursive queries. Using datalog notation, we c...
Nieves R. Brisaboa, Antonio Fariña, Miguel ...
DBPL
1991
Springer
98views Database» more  DBPL 1991»
14 years 1 months ago
Structural Recursion as a Query Language
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...
Val Tannen, Peter Buneman, Shamim A. Naqvi
VLDB
1987
ACM
104views Database» more  VLDB 1987»
14 years 1 months ago
Magic Functions: A Technique to Optimize Extended Datalog Recursive Programs
Severalmethodshavebeenproposedto compile recursive Datalog programs. The most well-known perform a rewriting of rules using MAGIC or PROBLEM predicates in order to push selections...
Georges Gardarin