615 search results - page 103 / 123 » Unsupervised Semantic Parsing |
ICASSP
2008
IEEE
14 years 2 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...
ICDM
2008
IEEE
14 years 2 months ago
2008
IEEE
Wikipedia has been applied as a background knowledge base to various text mining problems, but very few attempts have been made to utilize it for document clustering. In this pape...
KCAP
2005
ACM
14 years 1 months ago
2005
ACM
Capturing knowledge from free-form evaluative texts about an entity is a challenging task. New techniques of feature extraction, polarity determination and strength evaluation hav...
MM
2004
ACM
14 years 1 months ago
2004
ACM
Subspace learning techniques are widespread in pattern recognition research. They include Principal Component Analysis (PCA), Locality Preserving Projection (LPP), etc. These tech...
FLAIRS
2007
13 years 10 months ago
2007
In this paper, we focus on the ontological concept extraction and evaluation process from HTML documents. In order to improve this process, we propose an unsupervised hierarchical...