714 search results - page 97 / 143 » Conceptual Query Expansion |
BMCBI
2008
13 years 10 months ago
2008
Background: Ontologies such as the Gene Ontology can enable the construction of complex queries over biological information in a conceptual way, however existing systems to do thi...
DKE
2008
13 years 10 months ago
2008
The availability of large amounts of heterogeneous distributed web data necessitates the integration of XML data from multiple XML sources for many reasons. For example, currently,...
TREC
2004
13 years 11 months ago
2004
In TREC 2004, IRIT modified important features of the strategy that was developed for TREC 2003. Changes include tuning parameter values, topic expansion and exploitation of sente...
ICDE
2001
IEEE
14 years 11 months ago
2001
IEEE
We propose an extension to current view-based mediator systems called model-based mediation, in which views are defined and executed at the level of conceptual models (CMs) rather...
CIVR
2008
Springer
13 years 12 months ago
2008
Springer
Various query methods for video search exist. Because of the semantic gap each method has its limitations. We argue that for effective retrieval query methods need to be combined ...