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Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972)
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Sparck Jones, K.: Search term relevance weighting given little relevance information (1979)
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Sparck Jones, K.: IDF term weighting and IR research lessons (2004)
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Sparck Jones, K.: ¬A statistical interpretation of term specificity and its application in retrieval (2004)
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