3341 search results - page 301 / 669 » On Bounded Queries and Approximation |
192
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ADC
2003
Springer
15 years 12 months ago
2003
Springer
Selectivity estimation of queries not only provides useful information to the query processing optimization but also may give users a preview of processing results. In this paper,...
169
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
We consider the use of data reduction techniques for the problem of approximate query answering. We focus on applications for which accurate answers to selective queries are requi...
162
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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...
172
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SIGMOD
2010
ACM
15 years 7 months ago
2010
ACM
Many websites provide restrictive form-like interfaces which allow users to execute search queries on the underlying hidden databases. In this paper, we consider the problem of es...
336
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ASUNAM
2011
IEEE
14 years 6 months ago
2011
IEEE
—Users querying massive social networks or RDF databases are often not 100% certain about what they are looking for due to the complexity of the query or heterogeneity of the dat...