search for: 93idf

...following as references and I think Ive understood it well and can write the hack :- 1.) http://nlp.stanford.edu/IR-book/html/htmledition/document-and-query-weighting-schemes-1.html 2.) http://classes.seattleu.edu/computer_science/csse470/Madani/ABCs.html 3.) http://en.wikipedia.org/wiki/Tf%E2%80%93idf The basic philosophy is that rare terms (terms which occur in a few documents) should be able to give a higher weight to the documents they index compared to terms which occur in many documents .Also,the higher the within document frequency in the document ,more is the weight given by the term t...