443 search results - page 16 / 89 » Relational Approach to Logical Query Optimization of XPath |
ER
2010
Springer
13 years 5 months ago
2010
Springer
Traditional information search in which queries are posed against a known and rigid schema over a structured database is shifting towards a Web scenario in which exposed schemas ar...
WEBDB
2010
Springer
13 years 5 months ago
2010
Springer
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
KRDB
2003
13 years 9 months ago
2003
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Today's query processing engines do not take advantage of the multiple occurrences of a relation in a query to improve performance. Instead, each instance is treated as a dis...
LOPSTR
2004
Springer
14 years 1 months ago
2004
Springer
This paper describes a method for proving termination of to logic programs based on abstract interpretation. The method ry-mapping pairs to abstract the relation between calls in t...