313 search results - page 50 / 63 » Algorithms on negatively curved spaces |
ICDE
2012
IEEE
12 years 8 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 ...
CORR
2007
Springer
13 years 9 months ago
2007
Springer
In recent years, considerable advances have been made in the study of properties of metric spaces in terms of their doubling dimension. This line of research has not only enhanced...
TCS
2008
13 years 9 months ago
2008
This paper studies a novel paradigm for learning formal languages from positive and negative examples which consists of mapping strings to an appropriate highdimensional feature s...
ACCV
2009
Springer
14 years 4 months ago
2009
Springer
Face recognition using image-set or video sequence as input tends to be more robust since image-set or video sequence provides much more information than single snapshot about the ...
SIGIR
2003
ACM
14 years 3 months ago
2003
ACM
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...