Idf was released as "phrase specificity" by Karen Spärck Jones inside a 1972 paper. Even though it has worked well as a heuristic, its theoretical foundations happen to be troublesome for a minimum of three a long time afterward, with many researchers seeking to obtain facts theoretic justifications for it.[7] https://working-capital-optimiz18417.mybjjblog.com/the-ultimate-guide-to-supply-chain-financing-strategies-50263585