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Yu, C.T.; Salton, G.: Precision weighting : an effective automatic indexing method (1976) 0.00

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Source: Journal of the Association for Computing Machinery. 23(1976), S.76-88

Yu, C.T.; Salton, G.; Siu, M.K.: Effective automatic indexing using term addition and deletion (1978) 0.00

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Source: Journal of the Association for Computing Machinery. 25(1978), S.210-225

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