3207 search results - page 203 / 642 » A Semantics for HTN Methods |
151
Voted
SIGIR
2005
ACM
15 years 9 months ago
2005
ACM
Latent semantic indexing (LSI) is a well-known unsupervised approach for dimensionality reduction in information retrieval. However if the output information (i.e. category labels...
129
Voted
MM
2004
ACM
15 years 9 months ago
2004
ACM
This paper considers the problems of feature variation and concept uncertainty in typical learning-based video semantic classification schemes. We proposed a new online semantic c...
143
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ACCV
2009
Springer
15 years 7 months ago
2009
Springer
Abstract. In this paper we present an efficient technique to obtain accurate semantic classification on the pixel level capable of integrating various modalities, such as color, ed...
138
Voted
DASFAA
2009
IEEE
15 years 7 months ago
2009
IEEE
Abstract. Query expansion has received extensive attention in information retrieval community. Although semantic based query expansion appears to be promising in improving retrieva...
151
Voted
ECCV
2006
Springer
15 years 7 months ago
2006
Springer
Abstract. In this paper, we describe an unsupervised learning framework to segment a scene into semantic regions and to build semantic scene models from longterm observations of mo...