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» Separation of Partition Inequalities
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ICPR
2008
IEEE
14 years 1 months ago
Incremental clustering via nonnegative matrix factorization
Nonnegative matrix factorization (NMF) has been shown to be an efficient clustering tool. However, NMF`s batch nature necessitates recomputation of whole basis set for new samples...
Serhat Selcuk Bucak, Bilge Günsel
GLOBECOM
2007
IEEE
14 years 1 months ago
Four Group Decodable Differential Scaled Unitary Linear Space-Time Codes
— Differential Unitary Space-Time Block codes (STBCs) offer a means to communicate on the Multiple Input Multiple Output (MIMO) channel without the need for channel knowledge at ...
G. Susinder Rajan, B. Sundar Rajan
ICC
2007
IEEE
119views Communications» more  ICC 2007»
14 years 1 months ago
Spatio-Temporal Dynamic Spectrum Allocation with Interference Handling
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
László Kovacs, Attila Vidács,...
SSDBM
2007
IEEE
111views Database» more  SSDBM 2007»
14 years 1 months ago
Duplicate Elimination in Space-partitioning Tree Indexes
Space-partitioning trees, like the disk-based trie, quadtree, kd-tree and their variants, are a family of access methods that index multi-dimensional objects. In the case of index...
Mohamed Y. Eltabakh, Mourad Ouzzani, Walid G. Aref
ICPP
2006
IEEE
14 years 23 days ago
A Performance Model of the Krak Hydrodynamics Application
We present an analytic performance model of a largescale hydrodynamics code developed at Los Alamos National Laboratory. This modeling work is part of an ongoing effort to develop...
Kevin J. Barker, Scott Pakin, Darren J. Kerbyson