209 search results - page 16 / 42 » Using Ontologies for Database Query Reformulation |
ESCIENCE
2005
IEEE
14 years 2 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. ...
CBMS
2006
IEEE
14 years 2 months ago
2006
IEEE
— Most biomedical research databases contain considerable amounts of time-oriented data. However, temporal knowledge about the contextual meaning of such data is not usually repr...
ASWC
2008
Springer
13 years 10 months ago
2008
Springer
Abstract. Ontology reasoning is an indispensable step to fully exploit the implicit semantics of Semantic Web data. The inherent distribution characteristic of the Semantic Web and...
CBMS
2009
IEEE
14 years 3 months ago
2009
IEEE
Autism Spectrum Disorder is an inherently complex phenomenon requiring large studies of many different types to further understanding of its causes. The National Database for Auti...
CNL
2009
13 years 9 months ago
2009
Abstract. As it is well-known, querying and managing structured data in natural language is a challenging task due to its ambiguity (syntactic and semantic) and its expressiveness....