209 search results - page 25 / 42 » Using Ontologies for Database Query Reformulation |
103
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PVLDB
2008
15 years 1 months ago
2008
In probabilistic databases, lineage is fundamental to both query processing and understanding the data. Current systems s.a. Trio or Mystiq use a complete approach in which the li...
124
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DLOG
2010
15 years 4 days ago
2010
Abstract. A usage scenario of bio-ontologies is hypothesis testing, such as finding relationships or new subconcepts in the data linked to the ontology. Whilst validating the hypot...
148
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EPIA
2003
Springer
15 years 7 months ago
2003
Springer
Modern information retrieval systems need the capability to reason about the knowledge conveyed by text bases. In this paper a methodology to automatically create ontologies and cl...
142
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WWW
2003
ACM
16 years 2 months ago
2003
ACM
The binary form of an image does not tell what the image is about. It is possible to retrieve images from a database using pattern matching techniques, but usually textual descript...
121
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SEBD
2007
15 years 3 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 ...