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AAAI
2007
13 years 11 months ago
Isometric Projection
Recently the problem of dimensionality reduction has received a lot of interests in many fields of information processing. We consider the case where data is sampled from a low d...
Deng Cai, Xiaofei He, Jiawei Han
VLDB
1995
ACM
97views Database» more  VLDB 1995»
14 years 10 days ago
Similarity based Retrieval of Pictures Using Indices on Spatial Relationships
The paper presents (i) two similarity based methods for retrieval of pictures using indices on spatial relationships; (ii) efficient algorithms for the deduction and reduction of ...
A. Prasad Sistla, Clement T. Yu, Chengwen Liu, Kin...
ANTS
2008
Springer
115views Algorithms» more  ANTS 2008»
13 years 10 months ago
Computing Hilbert Modular Forms over Fields with Nontrivial Class Group
In previous work, the first author developed an algorithm for the computation of Hilbert modular forms. In this paper, we extend this to all totally real number fields of even degr...
Lassina Dembélé, Steve Donnelly
ORL
2010
98views more  ORL 2010»
13 years 7 months ago
A facial reduction algorithm for finding sparse SOS representations
Facial reduction algorithm reduces the size of the positive semidefinite cone in SDP. The elimination method for a sparse SOS polynomial ([3]) removes unnecessary monomials for a...
Hayato Waki, Masakazu Muramatsu
SODA
2010
ACM
178views Algorithms» more  SODA 2010»
14 years 6 months ago
Basis Reduction, and the Complexity of Branch-and-Bound
Gabor Pataki, Mustafa Tural