Sciweavers

116 search results - page 7 / 24
» Rewriting queries on SPARQL views
Sort
View
SIGMOD
2006
ACM
121views Database» more  SIGMOD 2006»
14 years 7 months ago
Rewriting nested XML queries using nested views
We present and analyze an algorithm for equivalent rewriting of XQuery queries using XQuery views, which is complete for a large class of XQueries featuring nested FLWR blocks, XM...
Nicola Onose, Alin Deutsch, Yannis Papakonstantino...
ICDE
2008
IEEE
137views Database» more  ICDE 2008»
14 years 9 months ago
Multiple Materialized View Selection for XPath Query Rewriting
We study the problem of answering XPATH queries using multiple materialized views. Despite the efforts on answering queries using single materialized view, answering queries using ...
Byron Choi, Jeffrey Xu Yu, Kam-Fai Wong, M. Tamer ...
WIDM
2003
ACM
14 years 27 days ago
Query rewriting using views in the presence of inclusion dependencies
Query rewriting using views is an essential issue in data integration. A number of algorithms, e.g., the bucket algorithm, the inverse rules algorithm, the SVB algorithm and the M...
Qingyuan Bai, Jun Hong, Michael F. McTear
DBSEC
2006
144views Database» more  DBSEC 2006»
13 years 9 months ago
Policy Classes and Query Rewriting Algorithm for XML Security Views
Most state-of-the-art approaches of securing XML documents are based on a partial annotation of an XML tree with security labels which are later propagated to unlabeled nodes of th...
Nataliya Rassadko