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|Author(s):||Donna K. Harman;|
|Title:||The History of IDF and its Influences on IR and Other Fields|
|Published:||December 21, 2005|
|Abstract:||The surprisingly simple IDF measure developed in 1972 by Karen Sparck Jones has continued to dominate the term weighting metrics used in information retrieval, despite several efforts to develop more complex measures of term distribution. It has been incorporated in (probably) all information retrieval systems and used in languages other than English. This chapter presents the origins of the IDF measure and how it evolved into the measure that is used today.|
|Citation:||Progress in Natural Language Processing & Information Retrieval: A Festschrift for Karen Sparck Jones|
|Pages:||pp. 69 - 79|
|Research Areas:||Information Technology|