59 search results - page 6 / 12 » Latent Variable Models for Semantic Orientations of Phrases |
JMLR
2006
13 years 7 months ago
2006
We develop a new component analysis framework, the Noisy-Or Component Analyzer (NOCA), that targets high-dimensional binary data. NOCA is a probabilistic latent variable model tha...
SIGIR
2010
ACM
13 years 11 months ago
2010
ACM
Diversity has been heavily motivated in the information retrieval literature as an objective criterion for result sets in search and recommender systems. Perhaps one of the most w...
KDD
2006
ACM
14 years 7 months ago
2006
ACM
Contextual text mining is concerned with extracting topical themes from a text collection with context information (e.g., time and location) and comparing/analyzing the variations...
CIKM
2008
Springer
13 years 9 months ago
2008
Springer
Topic modeling has been a key problem for document analysis. One of the canonical approaches for topic modeling is Probabilistic Latent Semantic Indexing, which maximizes the join...
CVPR
2010
IEEE
14 years 3 months ago
2010
IEEE
Object recognition is challenging due to high intra-class
variability caused, e.g., by articulation, viewpoint changes,
and partial occlusion. Successful methods need to strike a...