264 search results - page 4 / 53 » Probabilistic Latent Semantic Indexing |
SIGIR
2003
ACM
13 years 11 months ago
2003
ACM
Latent Dirichlet Allocation (LDA) is a fully generative approach to language modelling which overcomes the inconsistent generative semantics of Probabilistic Latent Semantic Index...
LREC
2008
13 years 7 months ago
2008
We present results from using Random Indexing for Latent Semantic Analysis to handle Singular Value Decomposition tractability issues. We compare Latent Semantic Analysis, Random ...
SIGIR
2010
ACM
13 years 9 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...
SIGIR
2008
ACM
13 years 5 months ago
2008
ACM
We introduce the posterior probabilistic clustering (PPC), which provides a rigorous posterior probability interpretation for Nonnegative Matrix Factorization (NMF) and removes th...
CIVR
2010
Springer
13 years 9 months ago
2010
Springer
Popular image retrieval schemes generally rely only on a single mode, (either low level visual features or embedded text) for searching in multimedia databases. Many popular image...