2514 search results - page 218 / 503 » On the Computation of Approximations of Database Queries |
205
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PRIS
2004
15 years 8 months ago
2004
Similarity search in time series databases is an important research direction. Several methods have been proposed in order to provide algorithms for efficient query processing in t...
246
Voted
ICDE
2007
IEEE
16 years 8 months ago
2007
IEEE
We introduce the notion of a data topology and the problem of topology search over databases. A data topology summarizes the set of all possible relationships that connect a given...
127
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CORR
2010
Springer
15 years 6 months ago
2010
Springer
In [Spi], we developed a category of databases in which the schema of a database is represented as a simplicial set. Each simplex corresponds to a table in the database. There, our...
328
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AMW
2011
14 years 10 months ago
2011
The goal of this paper is to permit secure outsourced system evaluation. We propose a method for generating synthetic databases and obfuscating a workload of queries in order to pr...
170
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ICASSP
2008
IEEE
16 years 1 months ago
2008
IEEE
It is well known that high-dimensional nearest-neighbor retrieval is very expensive. Many signal processing methods suffer from this computing cost. Dramatic performance gains can...