443 search results - page 37 / 89 » Relational Approach to Logical Query Optimization of XPath |
ICDE
2007
IEEE
14 years 9 months ago
2007
IEEE
Optimizing nested queries is an intricate problem. It becomes even harder if in a nested query the linking predicate or the correlation predicate occurs disjunctively. We present ...
JAIR
2007
13 years 7 months ago
2007
This work is a contribution to prioritized reasoning in logic programming in the presence of preference relations involving atoms. The technique, providing a new interpretation fo...
ISCI
2006
13 years 7 months ago
2006
The use of the computing with words paradigm for the automatic text documents categorization problem is discussed. This specific problem of information retrieval (IR) becomes more...
SIGMOD
2004
ACM
14 years 1 months ago
2004
ACM
Information in today’s enterprises commonly resides in a variety of heterogeneous data sources, including relational databases, web services, files, packaged applications, and c...
PODS
2001
ACM
14 years 7 months ago
2001
ACM
Database systems frequently have to execute a set of related queries, which share several common subexpressions. Multi-query optimization exploits this, by finding evaluation plan...