Keyphrases
- tf idf
- vector space
- vector space model
- retrieval model
- weighting schemes
- term frequency
- weighting scheme
- term frequency inverse document frequency
- information retrieval
- document clustering
- text documents
- fisher kernel
- term weighting
- cosine similarity
- text categorization
- term weights
- ranking algorithm
- document representation
- term weighting schemes
- feature vectors
- okapi bm
- information retrieval systems
- inverse document frequency
- probabilistic model
- bag of words
- document collections
- language model
- text mining
- document retrieval
- retrieval systems
- image classification