325 search results - page 22 / 65 » Group Nearest Neighbor Queries |
135
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VLDB
2004
ACM
15 years 7 months ago
2004
ACM
A frequent type of query in spatial networks (e.g., road networks) is to find the K nearest neighbors (KNN) of a given query object. With these networks, the distances between ob...
128
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ICALP
2004
Springer
15 years 7 months ago
2004
Springer
We define a natural notion of efficiency for approximate nearest-neighbor (ANN) search in general n-point metric spaces, namely the existence of a randomized algorithm which answ...
185
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VLDB
2009
ACM
16 years 1 months ago
2009
ACM
In this paper, we study the problem of continuous monitoring of reverse k nearest neighbor queries. Existing continuous reverse nearest neighbor monitoring techniques are sensitive...
126
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SWAP
2007
15 years 2 months ago
2007
Abstract. A nearest neighbor search procedure is presented, for retrieving resources in knowledge bases expressed in OWL. The procedure exploits a semidistance for annotated resour...
116
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PAMI
2008
15 years 1 months ago
2008
Abstract-Similarity searching often reduces to finding the k nearest neighbors to a query object. Finding the k nearest neighbors is achieved by applying either a depth-first or a ...