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Robertson, A.M.; Willett, P.: Retrieval techniques for historical English text : searching the sixteenth and seventeenth century titles in the Catalogue of Caterbury Cathedral Library using spelling-correction methods (1992)
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Robertson, A.M.; Willett, P.: Generation of equifrequent groups of words using a genetic algorithm (1994)
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Robertson, A.M.; Willett, P.: Identification of word-variants in historical text databases : report for the period October 1990 to September 1992 (1994)
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Robertson, A.M.; Willett, P.: Use of genetic algorithms in information retrieval (1995)
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Robertson, M.; Willett, P.: ¬An upperbound to the performance of ranked output searching : optimal weighting of query terms using a genetic algorithms (1996)
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In memoriam : Abraham Bookstein (2013)
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Robertson, S.E.: On relevance weight estimation and query expansion (1986)
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Needham, R.M.; Sparck Jones, K.: Keywords and clumps (1985)
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¬An introduction to information retrieval (o.J.)
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Robertson, S.; Tait, J.: In Memoriam Karen Sparck Jones (2007)
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