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Kay, M.; Sparck Jones, K.: Automated language processing (1971)
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Lewis, D.D.; Sparck Jones, K.: Natural language processing for information retrieval (1996)
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Robertson, S.E.; Sparck Jones, K.: Relevance weighting of search terms (1976)
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Lewis, D.D.; Sparck Jones, K.: Natural language processing for information retrieval (1997)
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Needham, R.M.; Sparck Jones, K.: Keywords and clumps (1985)
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