447 search results - page 31 / 90 » Probabilistic model for contextual retrieval |
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
We propose a novel probabilistic method based on the Hidden Markov Model (HMM) to learn the structure of a Latent Variable Model (LVM) for query language modeling. In the proposed...
PRL
2006
13 years 7 months ago
2006
Information retrieval which aims to provide people with easy access to all kinds of information is now becoming more and more emphasized. However, most approaches to information r...
ICCV
2001
IEEE
14 years 9 months ago
2001
IEEE
There is general consensus that context can be a rich source of information about an object's identity, location and scale. However, the issue of how to formalize contextual ...
EACL
2006
ACL Anthology
13 years 9 months ago
2006
ACL Anthology
Probabilistic Latent Semantic Analysis (PLSA) models have been shown to provide a better model for capturing polysemy and synonymy than Latent Semantic Analysis (LSA). However, th...
ICPR
2000
IEEE
14 years 3 days ago
2000
IEEE
Retrieval techniques based on pure similarity metrics are often suffered from the scales of image features. An alternative approach is to learn a mapping based on queries and rele...