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Improving SDI search profiles
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doi dblp
The use of title and cited titles as document representation for automatic classification
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Planning and design of on-line systems for the ultimate user of biomedical information
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APL-based on-line retrieval of financial data
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Optimal loan periods
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A measure of "efficiency factor" - Communication theory applied to document selection systems
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doi dblp
The computation of discrimination values
Robert G. Crawford