347 search results - page 26 / 70 » Certain answers for XML queries |
IJCAI
2003
13 years 10 months ago
2003
We solve the problem of obtaining answers to queries posed to a mediated integration system un der the local-as-view paradigm that are consistent wrt to certain global integrity...
DEXA
2005
Springer
14 years 2 months ago
2005
Springer
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
WISE
2006
Springer
14 years 2 months ago
2006
Springer
Maintaining a semantic cache of materialized XPath views inside or outside the database, is a novel, feasible and efficient approach to accelerate XML query processing. However, th...
EDBT
2008
ACM
14 years 8 months ago
2008
ACM
In the paper we discuss the problem of data integration in a P2P environment. In such setting each peer stores schema of its local data, mappings between the schema and schemas of...
VLDB
2000
ACM
14 years 7 days ago
2000
ACM
Approximate query answering systems provide very fast alternatives to OLAP systems when applications are tolerant to small errors in query answers. Current sampling-based approach...