441 search results - page 8 / 89 » Query expansion using random walk models |
CIKM
2009
Springer
14 years 4 months ago
2009
Springer
We introduce a new theoretical derivation, evaluation methods, and extensive empirical analysis for an automatic query expansion framework in which model estimation is cast as a r...
LREC
2010
13 years 11 months ago
2010
Determining semantic relatedness between words or concepts is a fundamental process to many Natural Language Processing applications. Approaches for this task typically make use o...
ECCV
2008
Springer
15 years 2 months ago
2008
Springer
We consider the problem of multi-label, supervised image segmentation when an initial labeling of some pixels is given. In this paper, we propose a new generative image segmentatio...
ACL
2010
13 years 7 months ago
2010
Automatically identifying the polarity of words is a very important task in Natural Language Processing. It has applications in text classification, text filtering, analysis of pr...
CN
2007
13 years 9 months ago
2007
In this paper we develop a model for random walk-based search mechanisms in unstructured P2P networks. This model is used to obtain analytical expressions for the performance metr...