2Automatic Online News Issue Construction in Web Environment(“agglo-upgma-IWF”). 6.1.2 IWF vs IDF IWF is used for term weighting instead of IDF in our weighting model. Experiments are...
3Extracting Key Terms From Noisy and Multi-theme DocumentsJournal B, 4:131, 1998.  G. Salton and C. Buckley. Term-weighting approaches in automatic text retrieval. Inf. Process...