Keyphrases
- vector space model
- information retrieval
- vector space
- retrieval model
- semantic similarity
- document representation
- index terms
- web documents
- language model
- tf idf
- document clustering
- latent semantic indexing
- semantic information
- document space
- association graph
- document categorization
- wordnet
- query expansion
- data points
- probabilistic model
- domain knowledge
- similarity measure
- artificial intelligence