2228 search results - page 12 / 446 » A System for Semantic Query Optimization |
SEBD
2007
13 years 9 months ago
2007
We consider the problem of query containment over an object data model derived from F-logic. F-logic has generated considerable interest commercially, in the academia, and within ...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
WebPMI is a popular web-based association measure to evaluate the semantic similarity between two queries (i.e. words or entities) by leveraging search results returned by search ...
JUCS
2008
13 years 7 months ago
2008
: Query transformation is a serious hurdle on semantic peer-to-peer environment. For interoperability between peers, queries sent from a source peer have to be efficiently transfor...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
We address the problem of answering Web ontology queries efficiently. An ontology is formalized as a Deductive Ontology Base (DOB), a deductive database that comprises the ontology...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
We study XML stream-specific schema-based optimization. We assume a widely-adopted automata-based execution model for XQuery evaluation. Criteria are established regarding what s...