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Soergel, D.: Indexing and retrieval performance : the logical evidence (1994)
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Cronin, B.; Weaver-Wozniak, S.: Online access to acknowledgements (1993)
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Allen, B.: Logical reasoning and retrieval performance (1993)
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Lioma, C.; Ounis, I.: ¬A syntactically-based query reformulation technique for information retrieval (2008)
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Golub, K.; Soergel, D.; Buchanan, G.; Tudhope, D.; Lykke, M.; Hiom, D.: ¬A framework for evaluating automatic indexing or classification in the context of retrieval (2016)
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