209 search results - page 12 / 42 » Using Ontologies for Database Query Reformulation |
CR
2001
13 years 10 months ago
2001
We describe an ontology for WWW summarization in Bone Marrow Transplantation that is currently under construction. It is text-based and qualifies as a grounded ontology. In additi...
ESCIENCE
2007
IEEE
14 years 18 days ago
2007
IEEE
Provenance management has become increasingly important to support scientific discovery reproducibility, result interpretation, and problem diagnosis in scientific workflow enviro...
DEXA
2007
Springer
14 years 2 months ago
2007
Springer
The semantic web is based on ontologies and metadata that indexes resources using ontologies. This indexing is called annotation. Ontology based information retrieval is an operati...
VLDB
2007
ACM
14 years 9 months ago
2007
ACM
Ontology, an explicit specification of shared conceptualization, has been increasingly used to define formal data semantics and improve data reusability and interoperability in en...
ADL
2000
Springer
14 years 1 months ago
2000
Springer
The goal of this work is to improve the accuracy (precision and recall) and communication effectiveness of a database system response to a user information request, by utilizing a...