836 search results - page 5 / 168 » Online EM Algorithm for Latent Data Models |
SIGIR
2004
ACM
14 years 4 days ago
2004
ACM
We present a probabilistic model for a document corpus that combines many of the desirable features of previous models. The model is called “GaP” for Gamma-Poisson, the distri...
IJCAI
2007
13 years 8 months ago
2007
Detecting and tracking latent factors from temporal data is an important task. Most existing algorithms for latent topic detection such as Nonnegative Matrix Factorization (NMF) h...
ICASSP
2009
IEEE
13 years 4 months ago
2009
IEEE
Nonnegative matrix tri-factorization (NMTF) is a 3-factor decomposition of a nonnegative data matrix, X USV , where factor matrices, U, S, and V , are restricted to be nonnegativ...
KDD
2010
ACM
13 years 5 months ago
2010
ACM
In this paper, we define and study a new opinionated text data analysis problem called Latent Aspect Rating Analysis (LARA), which aims at analyzing opinions expressed about an e...
WEBI
2004
Springer
14 years 1 days ago
2004
Springer
— Distributed data mining has recently caught a lot of attention as there are many cases where pooling distributed data for mining is probibited, due to either huge data volume o...