844 search results - page 2 / 169 » Semantic Analysis of Matrix Structures |
ISI
2004
Springer
13 years 10 months ago
2004
Springer
Abstract. This work describes a methodology that can be used to identify structure and communication patterns within an organization based on e-mail data. The first step of the me...
CORR
2010
Springer
13 years 3 months ago
2010
Springer
Spectral analysis has been successfully applied to the detection of community structure of networks, respectively being based on the adjacency matrix, the standard Laplacian matrix...
SMC
2010
IEEE
13 years 3 months ago
2010
IEEE
—This study examines the ability of nonnegative matrix factorization (NMF) as a method for constructing semantic spaces, in which the meaning of each word is represented by a hig...
SDM
2011
SIAM
12 years 7 months ago
2011
SIAM
Latent semantic analysis (LSA), as one of the most popular unsupervised dimension reduction tools, has a wide range of applications in text mining and information retrieval. The k...
IMCSIT
2010
13 years 1 months ago
2010
The paper presents an extended version of the SuperMatrix system -- a general tool supporting automatic acquisition of lexical semantic relations from corpora. Extensions focus mai...