Example image of eyePlorer eyePlorer map for 'Nearest neighbor search': Metric space Euclidean distance Euclidean space Taxicab geometry The Art of Computer Programming Behavioral targeting Coding theory Content-based image retrieval Contextual advertising Data compression Database Decoding methods Internet marketing K-nearest neighbor algorithm MPEG-2 Optical character recognition Pattern recognition Similarity score Spell checker Statistical classification Curse of dimensionality Analysis of algorithms Cardinality Branch and bound Spatial index Space partitioning Kd-tree R-tree Metric tree BK-tree VP-tree Locality sensitive hashing Cover tree Expansive Best Bin First Matching Entropy estimation Lp space Nearest-neighbor interpolation Fixed-radius near neighbors Pitteway triangulation Proximity problems Virco Selection algorithm Rafail Ostrovsky GiST List of algorithms Closest point problem Nearest neighbor NNS