Latent semantic mapping [information retrieval].
Jerome R. BellegardaPublished in: IEEE Signal Process. Mag. (2005)
Keyphrases
- latent semantic
- information retrieval
- latent semantic indexing
- query expansion
- latent semantic analysis
- vector space model
- information retrieval systems
- text retrieval
- vector space
- semantic information
- singular value decomposition
- text mining
- user supplied
- language model
- information extraction
- text data
- probabilistic latent semantic analysis
- retrieval model
- keywords
- relevant documents
- test collection
- co occurrence
- document retrieval
- question answering
- generative model
- relevance feedback
- knowledge base
- machine learning