Ramos: Using TF-IDF to Determine Word Relevance in Document Queries
Why using TF-IDF is a good idea. [technical, interesting read]
Kliknite na povezavo http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.121.1424&rep=rep1&type=pdf, če želite odpreti vir.