525 search results - page 85 / 105 » On Query Algebras for Probabilistic Databases |
SIGMOD
2004
ACM
15 years 11 months ago
2004
ACM
Ranking is an important property that needs to be fully supported by current relational query engines. Recently, several rank-join query operators have been proposed based on rank...
VLDB
1993
ACM
15 years 3 months ago
1993
ACM
In this paper we propose a new declustering method which is particularly suitable for image and cartographic databases used for visualization. Our declustering method is based on ...
115
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CASC
2009
Springer
15 years 20 days ago
2009
Springer
We consider Presburger arithmetic extended by infinity. For this we give an effective quantifier elimination and decision procedure which implies also the completeness of our exten...
103
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SIGMOD
2002
ACM
15 years 11 months ago
2002
ACM
Recent work has demonstrated the effectiveness of the wavelet decomposition in reducing large amounts of data to compact sets of wavelet coefficients (termed "wavelet synopse...
100
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FQAS
1998
Springer
15 years 3 months ago
1998
Springer
Abstract. With more and more electronic information sources becoming widely available, the issue of the quality of these often-competing sources has become germane. We propose a st...