Sciweavers

298 search results - page 23 / 60
» Query Rewriting in DL-Lite_^(HN)_horn
Sort
View
IWPC
2003
IEEE
15 years 4 months ago
How Understanding and Restructuring Differ from Compiling - A Rewriting Perspective
Syntactic and semantic analysis are established topics in the area of compiler construction. Their application to the understanding and restructuring of large software systems rev...
Paul Klint
ICDE
2006
IEEE
139views Database» more  ICDE 2006»
16 years 12 days ago
MiniCount: Efficient Rewriting of COUNT-Queries Using Views
We present MiniCount, the first efficient sound and complete algorithm for finding maximally contained rewritings of conjunctive queries with count, using conjunctive views with c...
Prodromos Malakasiotis, Václav Lín, ...
76
Voted
EDBT
2010
ACM
200views Database» more  EDBT 2010»
15 years 5 months ago
Rewrite techniques for performance optimization of schema matching processes
A recurring manual task in data integration, ontology alignment or model management is finding mappings between complex meta data structures. In order to reduce the manual effor...
Eric Peukert, Henrike Berthold, Erhard Rahm
DOCENG
2003
ACM
15 years 4 months ago
XPath on left and right sides of rules: toward compact XML tree rewriting through node patterns
XPath [3, 5] is a powerful and quite successful language able to perform complex node selection in trees through compact specifications. As such, it plays a growing role in many ...
Jean-Yves Vion-Dury
76
Voted
VLDB
2001
ACM
100views Database» more  VLDB 2001»
15 years 3 months ago
VXMLR: A Visual XML-Relational Database System
We demonstrate a visual based XML-Relational database system where XML data is managed by commercial RDBMS. A query interface enables users to form path expression based queries a...
Aoying Zhou, Hongjun Lu, Shihui Zheng, Yuqi Liang,...