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About: (1+ε)-approximate nearest neighbor search     Goto   Sponge   NotDistinct   Permalink

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Type: yago:WikicatApproximationAlgorithmsyago:WikicatClassificationAlgorithmsyago:WikicatSearchAlgorithmsyago:Abstraction100002137yago:Act100030358yago:Activity100407535yago:Algorithm105847438yago:Event100029378yago:Procedure101023820yago:PsychologicalFeature100023100yago:YagoPermanentlyLocatedEntitySupreme Court of the United States caseyago:Rule105846932 New Facet based on Instances of this Class

(1+ε)-approximate nearest neighbor search is a special case of the nearest neighbor search problem. The solution to the (1+ε)-approximate nearest neighbor search is a point or multiple points within distance (1+ε) R from a query point, where R is the distance between the query point and its true nearest neighbor. Reasons to approximate nearest neighbor search include the space and time costs of exact solutions in high-dimensional spaces (see curse of dimensionality) and that in some domains, finding an approximate nearest neighbor is an acceptable solution.