Idf was released as "term specificity" by Karen Spärck Jones within a 1972 paper. Although it has labored perfectly as a heuristic, its theoretical foundations are actually troublesome for at least a few decades afterward, with quite a few scientists looking to discover information and facts theoretic justifications for it.[7] https://payment-guarantees06172.blogdeazar.com/38280549/the-fact-about-predictive-analytics-that-no-one-is-suggesting