2191 search results - page 341 / 439 » Query Processing in the ROL system |
VLDB
2004
ACM
15 years 3 months ago
2004
ACM
We consider the problem of estimating set-expression cardinality in a distributed streaming environment where rapid update streams originating at remote sites are continually tran...
SIGIR
2003
ACM
15 years 3 months ago
2003
ACM
This paper presents an algorithm to generate possible variants for biomedical terms. The algorithm gives each variant its generation probability representing its plausibility, whi...
SSDBM
2010
IEEE
15 years 3 months ago
2010
IEEE
We present a technique for organizing data in spatial databases with non-convex domains based on an automatic characterization using the medial-axis transform (MAT). We define a t...
118
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CBMS
2002
IEEE
15 years 2 months ago
2002
IEEE
The need for systems that can stock, represent, and provide efficient retrieval facilities of images of particular interest is becoming very high in medicine. In this respect, a l...
108
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LPNMR
1997
Springer
15 years 2 months ago
1997
Springer
Turi [20] introduced the important notion of a constrained atom: an atom with associated equality and disequality constraints on its arguments. A set of constrained atoms is a cons...