7 search results - page 1 / 2 » Minimization of XML Tree Pattern Queries in the Presence of ... |
JACIII
2006
13 years 4 months ago
2006
VLDB
2002
ACM
14 years 5 months ago
2002
ACM
: Purpose ? Tree pattern is at the core of XML queries. The tree patterns in XML queries typically contain redundancies, especially when broad integrity constraints (ICs) are prese...
SIGMOD
2008
ACM
13 years 4 months ago
2008
ACM
Tree pattern queries (TPQs) provide a natural and easy formalism to query tree-structured XML data, and the efficient processing of such queries has attracted a lot of attention. ...
ICDT
2005
ACM
13 years 10 months ago
2005
ACM
We study the problem of rewriting queries using views in the presence of access patterns, integrity constraints, disjunction, and negation. We provide asymptotically optimal algori...
VLDB
2007
ACM
14 years 5 months ago
2007
ACM
The performance of XML database queries can be greatly enhanced by rewriting them using materialized views. We study the problem of rewriting a query using materialized views, whe...