6654 search results - page 204 / 1331 » Querying Faceted Databases |
105
Voted
ICDCS
2005
IEEE
15 years 9 months 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...
119
Voted
DEXA
2005
Springer
15 years 9 months 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...
129
Voted
VLDB
1989
ACM
15 years 7 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...
138
Voted
SMC
2010
IEEE
15 years 2 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...
165
Voted
SIGMOD
2007
ACM
16 years 3 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....