Keyphrases
- latent semantic indexing
- pseudo relevance feedback
- query expansion
- text retrieval
- information retrieval
- language model
- document retrieval
- retrieval effectiveness
- relevance feedback
- vector space model
- relevant documents
- vector space
- document representation
- average precision
- relevance model
- retrieval model
- information retrieval systems
- language modeling
- query terms
- test collection
- document collections
- term frequency
- probabilistic model
- semantic information
- knn
- image retrieval
- web pages