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JODS
2006
206views Data Mining» more  JODS 2006»
13 years 7 months ago
Emergent Semantics in Knowledge Sifter: An Evolutionary Search Agent Based on Semantic Web Services
This paper addresses the various facets of emergent semantics in content retrieval systems such as Knowledge Sifter, an architecture and system based on the use of specialized agen...
Larry Kerschberg, Hanjo Jeong, Wooju Kim
OL
2008
79views more  OL 2008»
13 years 7 months ago
A simpler and tighter redundant Klee-Minty construction
By introducing redundant Klee-Minty examples, we have previously shown that the central path can be bent along the edges of the Klee-Minty cubes, thus having 2n - 2 sharp turns in...
Eissa Nematollahi, Tamás Terlaky
MP
2006
88views more  MP 2006»
13 years 7 months ago
Two-edge connected subgraphs with bounded rings: Polyhedral results and Branch-and-Cut
Abstract. We consider the network design problem which consists in determining at minimum cost a 2-edge connected network such that the shortest cycle (a "ring") to which...
Bernard Fortz, Ali Ridha Mahjoub, S. Thomas McCorm...
SIAMAM
2008
62views more  SIAMAM 2008»
13 years 7 months ago
A Thermal Elastic Model for Directional Crystal Growth with Weak Anisotropy
In this paper we present a semi-analytical thermal stress solution for directional growth of type III-V compounds with small lateral heat flux and weak anisotropy. Both geometric a...
Jinbiao Wu, C. Sean Bohun, Huaxiong Huang
SIAMSC
2008
167views more  SIAMSC 2008»
13 years 7 months ago
Low-Dimensional Polytope Approximation and Its Applications to Nonnegative Matrix Factorization
In this study, nonnegative matrix factorization is recast as the problem of approximating a polytope on the probability simplex by another polytope with fewer facets. Working on th...
Moody T. Chu, Matthew M. Lin