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231224s2015 xx |||||o 00| ||eng c |
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|a 10.1109/TPAMI.2014.2343223
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|a eng
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| 100 |
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|a Houle, Michael E
|e verfasserin
|4 aut
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| 245 |
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|a Rank-Based Similarity Search
|b Reducing the Dimensional Dependence
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|c 2015
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|a Text
|b txt
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|a ƒaComputermedien
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|a ƒa Online-Ressource
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|a Date Completed 24.11.2015
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|a Date Revised 10.09.2015
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a This paper introduces a data structure for k-NN search, the Rank Cover Tree (RCT), whose pruning tests rely solely on the comparison of similarity values; other properties of the underlying space, such as the triangle inequality, are not employed. Objects are selected according to their ranks with respect to the query object, allowing much tighter control on the overall execution costs. A formal theoretical analysis shows that with very high probability, the RCT returns a correct query result in time that depends very competitively on a measure of the intrinsic dimensionality of the data set. The experimental results for the RCT show that non-metric pruning strategies for similarity search can be practical even when the representational dimension of the data is extremely high. They also show that the RCT is capable of meeting or exceeding the level of performance of state-of-the-art methods that make use of metric pruning or other selection tests involving numerical constraints on distance values
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|a Journal Article
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|a Nett, Michael
|e verfasserin
|4 aut
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|i Enthalten in
|t IEEE transactions on pattern analysis and machine intelligence
|d 1979
|g 37(2015), 1 vom: 01. Jan., Seite 136-50
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|x 1939-3539
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|g year:2015
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|u http://dx.doi.org/10.1109/TPAMI.2014.2343223
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