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September 15, 2025 | History

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Karen Spärck Jones

pioneering British computer and information scientist responsible for the concept of inverse document frequency (IDF), a technology that underlies most modern search engines

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Born	1935
Died	2007

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Automatic natural language parsing

by Karen Spärck Jones and Yorick Wilks First published in 1983
4 editions

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Evaluating Natural Language Processing Systems: An Analysis and Review (Lecture Notes in Computer Science)

by Karen Spärck Jones and Julia R. Galliers First published in 1995
3 editions

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Information retrieval experiment

by Karen Spärck Jones First published in 1981
3 editions

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Automatic keyword classification for information retrieval.

by Karen Sparck Jones First published in 1971
2 editions, 1 ebook
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Research on automatic indexing, 1974-1976

by Karen Sparck Jones First published in 1977
2 editions

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Synonymy and semantic classification

by Karen Sparck Jones First published in 1964
2 editions

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Readings in information retrieval

by Karen Spärck Jones and Peter Willett First published in 1997
2 editions

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Computer Systems: Theory, Technology, and Applications

by Andrew James Herbert and Karen Spärck Jones First published in 2006
2 editions

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Readings in natural language processing

by Barbara J. Grosz, Bonnie Lynn Webber, and Karen Spärck Jones First published in 1986
2 editions, 1 ebook
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The use of automatically-obtained keyword classifications for information retrieval: final report

by Karen Spärck Jones First published in 1969
2 editions

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Automatic indexing 1974: a state of the art review

by Karen Sparck Jones First published in 1974
1 edition

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Report on a design study for the ideal information retrieval test collection

by Karen Sparck Jones First published in 1979
1 edition

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Report on a visit to the U.S., 27.1.83-4.2.83: report to the British Library Research and Development Department on Grant SI/V/79

by Karen Sparck Jones First published in 1983
1 edition

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Report on the need for and provision of an ideal information retrieval test collection

by Karen Sparck Jones First published in 1976
1 edition

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Research on relevance weighting, 1976-1979

by Karen Sparck Jones First published in 1980
1 edition

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The use of the theory of clumps for information retrieval: report on the O.S.T.I. supported project at the C.L.R.U., June 1967

by Karen Sparck Jones First published in 1970
1 edition

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Charting a new course: natural language processing and information retrieval : essays in honour of Karen Spärck Jones

by Karen Sparck Jones First published in 2005
1 edition, 1 ebook

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Linguistics and information science

by Karen Spärck Jones First published in 1973
1 edition, 1 ebook
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Selected Papers of Karen Spärck Jones

by Karen Spärck Jones, Ann Copestake, and Stephen Robertson First published in 2013
1 edition

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Computers, language and speech: formal theories and statistical data

by R. D. Needham, Karen Spärck Jones, and Gerald Gazdar First published in 2000
1 edition

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Born	1935
Died	2007

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ID Numbers

OLID: OL533579A

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Alternative names

Karen Ida Boalth Spärck Jones
Karen Sparck Jones
Karen Jones
Jones Karen Sparck
Karen Sprack-Jones
Karen Spack-Jones
Karen I.B. Spaerck Jones
Karen I. B. Spaerck Jones

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