5130 search results - page 258 / 1026 » Constraint Query Languages |
170
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INFOVIS
1999
IEEE
15 years 10 months ago
1999
IEEE
ct Constellation is a visualization system for the results of queries from the MindNet natural language semantic network. Constellation is targeted at helping MindNet's creato...
159
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COOPIS
1997
IEEE
15 years 10 months ago
1997
IEEE
This paper describes how query formulation can be made simple and less complicated by using ontologies. It takes a brief look at several advantages of using ontologies in a distri...
173
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ICFP
2006
ACM
16 years 6 months ago
2006
ACM
We describe an s-expression based syntax-extension framework much like Scheme macros, with a key additional facility: the ability to define static semantics, such as type systems ...
283
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ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
Logical constraints, (e.g., 'phone numbers in toronto can have prefixes 416, 647, 905 only'), are ubiquitous in relational databases. Traditional integrity constraints, ...
188
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DEXA
2009
Springer
16 years 1 months ago
2009
Springer
Describing relational data sources (i.e. databases) by means of ontologies constitutes the foundation of most of the semantic based approaches to data access and integration. In sp...