160 search results - page 19 / 32 » A Generalized Vector Space Model for Text Retrieval Based on... |
SIGIR
1999
ACM
14 years 26 days ago
1999
ACM
Probabilistic Latent Semantic Indexing is a novel approach to automated document indexing which is based on a statistical latent class model for factor analysis of count data. Fit...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Co-occurrence data is quite common in many real applications. Latent Semantic Analysis (LSA) has been successfully used to identify semantic relations in such data. However, LSA c...
KDD
2009
ACM
14 years 9 months ago
2009
ACM
Labeling text data is quite time-consuming but essential for automatic text classification. Especially, manually creating multiple labels for each document may become impractical ...
WSDM
2009
ACM
14 years 3 months ago
2009
ACM
Temporal expressions, such as between 1992 and 2000, are frequent across many kinds of documents. Text retrieval, though, treats them as common terms, thus ignoring their inherent...
SIGIR
2004
ACM
14 years 2 months 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...