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object's%3a%22Context-based term frequency assessment%22 2
object's%3a%22Context-based term frequnecy assessment%22 2
objects%3a%22Context-based term frequency assessment%22 2
object's%3a%22Context-based term freuqency assessment%22 2
objects%3a%22Context-based term frequnecy assessment%22 2

Sparck Jones, K.: ¬A statistical interpretation of term specifity and its application in retrieval (1972) 0.05

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Sparck Jones, K.: Search term relevance weighting given little relevance information (1979) 0.03

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