332 search results - page 18 / 67 » Query Caching and View Selection for XML Databases |
WEBI
2001
Springer
13 years 11 months ago
2001
Springer
In the proposed data model for XML databases, an XML element is directly represented as a ground (variable-free) XML expression—a generalization of an XML element by incorporatio...
ICDE
2007
IEEE
14 years 8 months ago
2007
IEEE
Estimating the selectivity of queries is a crucial problem in database systems. Virtually all database systems rely on the use of selectivity estimates to choose amongst the many ...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
The database community is on a constant quest for better integration of data management and knowledge management. Recently, with the increasing use of ontology in various applicat...
ADC
2007
Springer
14 years 1 months ago
2007
Springer
XML stream processing has recently become popular for many applications such as selective dissemination of information. Several approaches have been proposed and most of them are ...
WWW
2010
ACM
14 years 2 months ago
2010
ACM
In this paper, we address the problem of database selection for XML document collections, that is, given a set of collections and a user query, how to rank the collections based o...