Idf was released as "term specificity" by Karen Spärck Jones in a 1972 paper. Even though it has worked perfectly for a heuristic, its theoretical foundations have been troublesome for a minimum of a few decades afterward, with a lot of researchers endeavoring to locate info theoretic justifications for it.[seven] https://deanottut.sharebyblog.com/37822853/the-basic-principles-of-supply-chain-financing-models