47 search results - page 9 / 10 » Improving Probabilistic Latent Semantic Analysis with Princi... |
ELPUB
2008
ACM
13 years 7 months ago
2008
ACM
In this paper, we present our online summarization system of web topics. The user defines the topic by a set of keywords. Then the system searches the Web for the relevant documen...
CIVR
2008
Springer
13 years 7 months ago
2008
Springer
In this paper, we propose two ways of improving image classification based on bag-of-words representation [25]. Two shortcomings of this representation are the loss of the spatial...
JMLR
2006
13 years 5 months ago
2006
The eigenvalues of the kernel matrix play an important role in a number of kernel methods, in particular, in kernel principal component analysis. It is well known that the eigenva...
ESANN
2006
13 years 7 months ago
2006
Random Forests were introduced by Breiman for feature (variable) selection and improved predictions for decision tree models. The resulting model is often superior to AdaBoost and ...
IPM
2007
13 years 5 months ago
2007
Information retrieval systems consist of many complicated components. Research and development of such systems is often hampered by the difficulty in evaluating how each particula...