77 search results - page 4 / 16 » The dynamic predicate: integrating access control with query... |
ER
2007
Springer
14 years 1 months ago
2007
Springer
Today, there are several approaches supporting an integrated processing of XML and (object-)relational data sources. However, each of these approaches favors a single data model f...
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...
BTW
2003
Springer
14 years 19 days ago
2003
Springer
Abstract: In order to achieve efficient execution plans for queries comprising userdefined data types and predicates, the database system has to be provided with appropriate index ...
DASFAA
2006
IEEE
14 years 1 months ago
2006
IEEE
To facilitate the XML query processing, several kinds of labeling schemes have been proposed. Based on the labeling schemes, the ancestordescendant and parent-child relationships i...
INFSOF
2006
13 years 7 months ago
2006
Providing efficient access to XML documents becomes crucial in XML database systems. More and more concurrency control protocols for XML database systems were proposed in the past...