Revisiting the Term Frequency in Concept-Based IR Models.
Karam AbdulahhadJean-Pierre ChevalletCatherine BerrutPublished in: DEXA (1) (2013)
Keyphrases
- term frequency
- ir models
- text categorization
- retrieval model
- tf idf
- text classification
- average precision
- bag of words
- inverse document frequency
- feature selection
- text documents
- term weighting
- knn
- divergence from randomness
- document frequency
- document representation
- vector space
- k nearest neighbor
- information retrieval
- test collection
- semi supervised learning
- language model
- information retrieval systems
- feature extraction
- query terms
- retrieval effectiveness
- image content
- information extraction