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CORR
2007
Springer
77views Education» more  CORR 2007»
14 years 9 months ago
Quantization Bounds on Grassmann Manifolds of Arbitrary Dimensions and MIMO Communications with Feedback
— This paper considers the quantization problem on the Grassmann manifold with dimension n and p. The unique contribution is the derivation of a closed-form formula for the volum...
Wei Dai, Youjian Liu, Brian Rider
NPL
2006
130views more  NPL 2006»
14 years 9 months ago
A Fast Feature-based Dimension Reduction Algorithm for Kernel Classifiers
This paper presents a novel dimension reduction algorithm for kernel based classification. In the feature space, the proposed algorithm maximizes the ratio of the squared between-c...
Senjian An, Wanquan Liu, Svetha Venkatesh, Ronny T...
HICSS
2011
IEEE
183views Biometrics» more  HICSS 2011»
14 years 1 months ago
Optimizing Access across Multiple Hierarchies in Data Warehouses
In enterprise data warehouses, different users in different business units often define their own application specific dimension hierarchies tailor made to their reporting and b...
Lipyeow Lim, Bishwaranjan Bhattacharjee
DCG
2006
110views more  DCG 2006»
14 years 9 months ago
High-Dimensional Centrally Symmetric Polytopes with Neighborliness Proportional to Dimension
Let A be a d by n matrix, d < n. Let C be the regular cross polytope (octahedron) in Rn . It has recently been shown that properties of the centrosymmetric polytope P = AC are ...
David L. Donoho
PDCAT
2007
Springer
15 years 3 months ago
An Algorithm for Constructing Hamiltonian Cycle in Metacube Networks
The high-performance supercomputers will consist of several millions of CPUs in the next decade. The interconnection networks (INs) in such supercomputers play an important role. ...
Yamin Li, Shietung Peng, Wanming Chu