33 search results - page 4 / 7 » Pruning nested XQuery queries |
VLDB
2007
ACM
14 years 8 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...
PVLDB
2008
13 years 8 months ago
2008
Though inevitable for effective cost-based query rewriting, the derivation of meaningful cardinality estimates has remained a notoriously hard problem in the context of XQuery. By...
ICOODB
2009
13 years 6 months ago
2009
The integration of database and programming languages is made difficult by the different data models and type systems prevalent in each field. Functional-object query languages con...
XIMEP
2006
ACM
14 years 2 months ago
2006
ACM
We present a high-performance, pull-based streaming processor for XQuery, called XQPull, that can handle many essential features of the language, including general predicates, rec...
VLDB
2006
ACM
14 years 8 months ago
2006
ACM
For querying structured and semistructured data, data retrieval and document retrieval are two valuable and complementary techniques that have not yet been fully integrated. In thi...