Sciweavers

9414 search results - page 87 / 1883
» Adaptive Query Processing
Sort
View
ICDE
2008
IEEE
166views Database» more  ICDE 2008»
14 years 11 months ago
A Clustered Index Approach to Distributed XPath Processing
Supporting top-k queries over distributed collections of schemaless XML data poses two challenges. While XML supports expressive query languages such as XPath and XQuery, these la...
Georgia Koloniari, Evaggelia Pitoura
DEXA
2005
Springer
117views Database» more  DEXA 2005»
14 years 3 months ago
Efficient Processing of Ordered XML Twig Pattern
Finding all the occurrences of a twig pattern in an XML database is a core operation for efficient evaluation of XML queries. Holistic twig join algorithm has showed its superiorit...
Jiaheng Lu, Tok Wang Ling, Tian Yu, Changqing Li, ...
DASFAA
2007
IEEE
205views Database» more  DASFAA 2007»
14 years 2 months ago
Efficient Support for Ordered XPath Processing in Tree-Unaware Commercial Relational Databases
Abstract. In this paper, we present a novel ordered XPATH evaluation in treeunaware RDBMS. The novelties of our approach lies in the followings. (a) We propose a novel XML storage ...
Boon-Siew Seah, Klarinda G. Widjanarko, Sourav S. ...
SBACPAD
2004
IEEE
144views Hardware» more  SBACPAD 2004»
13 years 11 months ago
Improving Server Performance on Transaction Processing Workloads by Enhanced Data Placement
Modern servers access large volumes of data while running commercial workloads. The data is typically spread among several storage devices (e.g. disks). Carefully placing the data...
Juan Rubio, Charles Lefurgy, Lizy Kurian John
SIGCSE
2008
ACM
103views Education» more  SIGCSE 2008»
13 years 10 months ago
A query simulation system to illustrate database query execution
The underlying processes that enable database query execution are fundamental to understanding database management systems. However, these processes are complex and can be difficu...
Brett Allenstein, Andrew Yost, Paul Wagner, Joline...