Discriminative feature weighting using MCE training for topic identification of spoken audio recordings.

Timothy J. Hazen Anna Margolis

Published in: ICASSP (2008)

Keyphrases

feature weighting
audio recordings
feature selection
feature weights
text categorization
discriminative training
text classification
training set
multiple features
semi supervised
tf idf
topic models
feature extraction
machine learning
active learning
document collections
training examples