6654 search results - page 204 / 1331 » Querying Faceted Databases |
156
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ICDCS
2005
IEEE
16 years 5 days ago
2005
IEEE
We consider the problem of handling similarity queries in peer-to-peer databases. Given a query for a data object, we propose an indexing and searching mechanism which returns the...
147
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DEXA
2005
Springer
16 years 3 days ago
2005
Springer
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
159
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VLDB
1989
ACM
15 years 10 months ago
1989
ACM
Fuzzy set theory represents a uniform framework for extending the relational database model to han-, dle imprecision of information found in the real world. None of the existing p...
179
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SMC
2010
IEEE
15 years 5 months ago
2010
IEEE
—We outline SoftFacts, an ontology mediated top-k information retrieval system over relational databases. An ontology layer is used to define (in terms of a OWL-QL like Semantic...
225
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SIGMOD
2007
ACM
16 years 6 months ago
2007
ACM
Date's popular critique of SQL's three-valued logic [4, 3] purports to demonstrate that SQL queries can produce erroneous results when nulls are present in the database....