106 search results - page 11 / 22 » On rewriting XPath queries using views |
SIS
2007
13 years 9 months ago
2007
Access control models for XML data can be classified in two major categories: node filtering and query rewriting systems. The first category includes approaches that use access ...
DILS
2006
Springer
13 years 11 months ago
2006
Springer
The Open Biomedical Ontologies (OBO) is a consortium that serves as a repository of ontologies that are structured like directed acyclic graphs. In this paper we present a language...
VLDB
2001
ACM
14 years 7 months ago
2001
ACM
The problem of answering queries using views is to find efficient methods of answering a query using a set of previously materialized views over the database, rather than accessin...
ICDT
2009
ACM
14 years 8 months ago
2009
ACM
We study the problem of querying data sources that accept only a limited set of queries, such as sources accessible by Web services which can implement very large (potentially inf...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
Regular path queries (RPQ’s) are given by means of regular expressions and ask for matching patterns on labeled graphs. RPQ’s have received great attention in the context of s...