5 search results - page 1 / 1 » Evaluating the performance of nonnegative matrix factorizati... |
SMC
2010
IEEE
13 years 2 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...
SIGIR
2003
ACM
13 years 9 months ago
2003
ACM
In this paper, we propose a novel document clustering method based on the non-negative factorization of the termdocument matrix of the given document corpus. In the latent semanti...
BMCBI
2008
13 years 4 months ago
2008
Background: The construction of literature-based networks of gene-gene interactions is one of the most important applications of text mining in bioinformatics. Extracting potentia...
ICASSP
2008
IEEE
13 years 10 months ago
2008
IEEE
We present a query-by-example audio retrieval framework by indexing audio clips in a generic database as points in a latent perceptual space. First, feature-vectors extracted from...
EDM
2010
13 years 5 months ago
2010
In this paper we present an evaluation of new techniques for automatically detecting sentiment polarity (Positive or Negative) in the students responses to Unit of Study Evaluation...