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Ingwersen, P.; Willett, P.: ¬An introduction to algorithmic and cognitive approaches for information retrieval (1995)
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Willett, P.: Best-match text retrieval (1993)
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Al-Hawamdeh, S.; Smith, G.; Willett, P.; Vere, R. de: Using nearest-neighbour searching techniques to access full-text documents (1991)
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Shaw, R.J.; Willett, P.: On the non-random nature of nearest-neighbour document clusters (1993)
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Jones, G.; Robertson, A.M.; Willett, P.: ¬An introduction to genetic algorithms and to their use in information retrieval (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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Furner-Hines, J.; Willett, P.: ¬The use of hypertext in libraries in the United Kingdom (1994)
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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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Clarke, S.J.; Willett, P.: Estimating the recall performance of Web search engines (1997)
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Ekmekcioglu, F.C.; Robertson, A.M.; Willett, P.: Effectiveness of query expansion in ranked-output document retrieval systems (1992)
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Robertson, A.M.; Willett, P.: Applications of n-grams in textual information systems (1998)
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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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Ellis, D.; Furner-Hines, J.; Willett, P.: Measuring the consistency of assignment of hypertext links in full-text documents (1994)
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Ellis, D.; Furner-Hines, J.; Willett, P.: ¬The creation of hypertext links in full-text documents (1994)
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