LRD: Latent Relation Discovery for Vector Space Expansion and Information Retrieval.
Alexandre L. GonçalvesJianhan ZhuDawei SongVictoria S. UrenRoberto Carlos dos Santos PachecoPublished in: WAIM (2006)
Keyphrases
- vector space
- vector space model
- information retrieval
- retrieval model
- concept space
- latent semantic indexing
- latent semantic
- euclidean space
- similarity search
- retrieval effectiveness
- ir models
- feature vectors
- tf idf
- neural network
- covariance matrices
- text retrieval
- search engine
- low dimensional
- distance measure
- text mining
- document representation
- information retrieval systems
- test collection
- term weights
- document retrieval
- latent variables
- query expansion
- term frequency
- document collections
- relevance feedback
- database systems
- topic models
- database