4127 search results - page 417 / 826 » Evaluation methods for topic models |
201
click to vote
TNN
2008
15 years 6 months ago
2008
Abstract--High-dimensional data are common in many domains, and dimensionality reduction is the key to cope with the curse-of-dimensionality. Linear discriminant analysis (LDA) is ...
189
click to vote
EMNLP
2010
15 years 4 months ago
2010
In this paper, we investigate structured models for document-level sentiment classification. When predicting the sentiment of a subjective document (e.g., as positive or negative)...
225
click to vote
IAJIT
2011
15 years 1 months ago
2011
: This article describes a multilayer model-based approach for text compression. It uses linguistic information to develop a multilayer decomposition model of the text in order to ...
206
click to vote
SPEECH
2010
15 years 1 months ago
2010
act 11 We analyze and compare two different methods for unsupervised extractive spontaneous speech summarization in the meeting 12 domain. Based on utterance comparison, we introdu...
199
click to vote
PAKDD
2011
ACM
14 years 9 months ago
2011
ACM
Discovering rare categories and classifying new instances of them is an important data mining issue in many fields, but fully supervised learning of a rare class classifier is pr...