A feature selection method based on term frequency difference and positive weighting factor.
Hongfang ZhouXiang LiChenguang WangYiming MaPublished in: Data Knowl. Eng. (2022)
Keyphrases
- term frequency
- weighting factor
- text categorization
- retrieval model
- tf idf
- text classification
- average precision
- bag of words
- text documents
- term weighting
- inverse document frequency
- document frequency
- information retrieval
- test collection
- query terms
- document representation
- document retrieval
- machine learning
- text mining
- query expansion
- knn
- feature selection
- computer vision
- document collections
- language model