3777 search results - page 284 / 756 » Estimating the Quality of Databases |
191
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DEXAW
1999
IEEE
15 years 11 months ago
1999
IEEE
This paper presents two metrics for the Nearest Neighbor Classifier that share the property of being adapted, i.e. learned, on a set of data. Both metrics can be used for similari...
220
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VLDB
2008
ACM
16 years 6 months ago
2008
ACM
Histograms are used to summarize the contents of relations into a number of buckets for the estimation of query result sizes. Several techniques (e.g., MaxDiff and V-Optimal) have ...
276
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ICDE
2008
IEEE
16 years 8 months ago
2008
IEEE
Despite the surge of interest in data reduction techniques over the past years, no method has been proposed to date that can always achieve approximation quality preferable to that...
273
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ICDE
2004
IEEE
16 years 8 months ago
2004
IEEE
We examine the problem of evaluating selection queries over imprecisely represented objects. Such objects are used either because they are much smaller in size than the precise on...
271
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ICDE
2002
IEEE
16 years 8 months ago
2002
IEEE
We present a diff algorithm for XML data. This work is motivated by the support for change control in the context of the Xyleme project that is investigating dynamic warehouses ca...