140 search results - page 23 / 28 » Redundant Relations in Relational Databases: A Model Theoret... |
DMIN
2008
14 years 11 months ago
2008
The knowledge discovery process encounters the difficulties to analyze large amount of data. Indeed, some theoretical problems related to high dimensional spaces then appear and de...
171
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ICDE
2002
IEEE
15 years 11 months ago
2002
IEEE
Nearest Neighbor search is an important and widely used problem in a number of important application domains. In many of these domains, the dimensionality of the data representati...
CVPR
2003
IEEE
15 years 11 months ago
2003
IEEE
Many vision applications require precise measurement of scene radiance. The function relating scene radiance to image brightness is called the camera response. We analyze the prop...
160
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PODS
2009
ACM
15 years 10 months ago
2009
ACM
Let be a finite, ordered alphabet, and consider a string x = x1x2 . . . xn n . A secondary index for x answers alphabet range queries of the form: Given a range [al, ar] , retu...
ECIR
2009
Springer
14 years 7 months ago
2009
Springer
This paper investigates the use of fuzzy logic mechanisms coming from the database community, namely graded inclusions, to model the information retrieval process. In this framewor...