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» Rewriting queries on SPARQL views
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WEBDB
2000
Springer
136views Database» more  WEBDB 2000»
13 years 11 months ago
An Optimization Technique for Answering Regular Path Queries
Rewriting queries using views is a powerful technique that has applications in data integration, data warehousing and query optimization. Query rewriting in relational databases i...
Gösta Grahne, Alex Thomo
ER
2005
Springer
136views Database» more  ER 2005»
14 years 1 months ago
A Semantic Approach to Query Rewriting for Integrated XML Data
Query rewriting is a fundamental task in query optimization and data integration. With the advent of the web, there has been renewed interest in data integration, where data is dis...
Xia Yang, Mong-Li Lee, Tok Wang Ling, Gillian Dobb...
CIKM
2005
Springer
14 years 1 months ago
Access control for XML: a dynamic query rewriting approach
We introduce the notion of views as a mechanism for securing and providing access control in the context of XML. Research in XML has explored several efficient querying mechanism...
Sriram Mohan, Arijit Sengupta, Yuqing Wu
EDBT
2006
ACM
103views Database» more  EDBT 2006»
14 years 7 months ago
Finding Equivalent Rewritings in the Presence of Arithmetic Comparisons
The problem of rewriting queries using views has received significant attention because of its applications in a wide variety of datamanagement problems. For select-project-join SQ...
Foto N. Afrati, Rada Chirkova, Manolis Gergatsouli...
TSC
2010
182views more  TSC 2010»
13 years 2 months ago
A Query Rewriting Approach for Web Service Composition
Data-Providing (DP) services allow query-like access to organizations' data via web services. The invocation of a DP service results in the execution of a query over data sour...
Mahmoud Barhamgi, Djamal Benslimane, Brahim Medjah...