An Improved Regularized Latent Semantic Indexing with L1/2 Regularization and Non-negative Constraints.

Yong Chen Hui Zhang Yuan Zuo Deqing Wang

Published in: CSE (2013)

Keyphrases

latent semantic indexing
vector space
singular value decomposition
text retrieval
vector space model
semantic structure
information retrieval
document representation
least squares
objective function
information retrieval systems
language model
clustering method
document clustering
latent semantic space