888 search results - page 87 / 178 » Query expansion using associated queries |
DASFAA
2007
IEEE
14 years 4 months ago
2007
IEEE
Recently, several approaches and systems were proposed to store in the same database data and the ontologies describing their meanings. We call these databases, ontology-based data...
BMCBI
2005
13 years 10 months ago
2005
Background: A large volume of data and information about genes and gene products has been stored in various molecular biology databases. A major challenge for knowledge discovery ...
ESCIENCE
2005
IEEE
14 years 3 months ago
2005
IEEE
Effective integration of heterogeneous data sources has been studied as the most pressing challenge in various fields; such as, high energy physics, astronomy, and life sciences. ...
COCO
2003
Springer
14 years 3 months ago
2003
Springer
We consider a fundamental problem in data structures, static predecessor searching: Given a subset S of size n from the universe [m], store S so that queries of the form “What i...
ICDE
2006
IEEE
14 years 11 months ago
2006
IEEE
XML schema design has two opposing goals: elimination of update anomalies requires that the schema be as normalized as possible; yet higher query performance and simpler query exp...