85 search results - page 6 / 17 » CoXML: A Cooperative XML Query Answering System |
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
We study the problem of answering queries posed on virtual views of XML documents, a problem commonly encountered when enforcing XML access control and integrating data. We approa...
VLDB
2004
ACM
14 years 25 days ago
2004
ACM
Query containment is the most fundamental relationship between a pair of database queries: a query Q is said to be contained in a query Q if the answer for Q is always a subset of...
ICLP
2009
Springer
14 years 2 months ago
2009
Springer
We consider multiagent systems situated in unpredictable environments. Agents viewed as abductive logic programs with abducibles being literals the agent could sense or receive fro...
WEBDB
2005
Springer
14 years 29 days ago
2005
Springer
We present a system for efficient indexed querying of XML documents, enhanced with sibling operations. R-tree index proposed in [5] has a very high cost for the following-sibling...
CIKM
2009
Springer
14 years 2 months ago
2009
Springer
Well-designed indices can dramatically improve query performance. Including query workload information can produce indices that yield better overall throughput while balancing the...