BM25-CTF: Improving TF and IDF factors in BM25 by using collection term frequencies.
Sergio JiménezSilviu-Petru CucerzanFabio A. GonzálezAlexander F. GelbukhGeorge DueñasPublished in: J. Intell. Fuzzy Syst. (2018)
Keyphrases
- term frequency
- tf idf
- term weighting
- document frequency
- text categorization
- retrieval model
- inverse document frequency
- text classification
- information retrieval
- okapi bm
- weighting scheme
- average precision
- vector space model
- term weights
- bag of words
- text documents
- query terms
- text retrieval
- document clustering
- vector space
- weighting schemes
- term weighting schemes
- co occurrence
- document representation
- image content
- retrieval systems
- document collections
- index terms
- information retrieval systems
- user queries
- active learning
- feature vectors