280 search results - page 7 / 56 » Approximate nearest neighbors using sparse representations |
193
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ICDE
2012
IEEE
13 years 1 days ago
2012
IEEE
We present a new Bi-level LSH algorithm to perform approximate k-nearest neighbor search in high dimensional spaces. Our formulation is based on a two-level scheme. In the first ...
111
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SDM
2012
SIAM
12 years 12 months ago
2012
SIAM
Many high-profile applications pose high-dimensional nearest-neighbor search problems. Yet, it still remains difficult to achieve fast query times for state-of-the-art approache...
ICALP
2004
Springer
15 years 3 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...
CIVR
2008
Springer
14 years 11 months ago
2008
Springer
Browsing and finding pictures in large-scale and heterogeneous collections is an important issue, most particularly for online photo sharing applications. Since such services know...
CIKM
2003
Springer
15 years 2 months ago
2003
Springer
Reverse Nearest Neighbor (RNN) queries are of particular interest in a wide range of applications such as decision support systems, profile based marketing, data streaming, docum...