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Willett, P.: Best-match text retrieval (1993)
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Willett, P.: From chemical documentation to chemoinformatics : 50 years of chemical information science (2009)
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Perry, R.; Willett, P.: ¬A revies of the use of inverted files for best match searching in information retrieval systems (1983)
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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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Shaw, R.J.; Willett, P.: On the non-random nature of nearest-neighbour document clusters (1993)
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Tombros, A.; Villa, R.; Rijsbergen, C.J. Van: ¬The effectiveness of query-specific hierarchic clustering in information retrieval (2002)
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Kirriemuir, J.W.; Willet, P.: Identification of duplicate and near-duplicate full-text records in database search-outputs using hierarchic cluster analysis (1995)
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Rijsbergen, C.J. van: ¬A fast hierarchic clustering algorithm (1970)
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Voorhees, E.M.: Implementing agglomerative hierarchic clustering algorithms for use in document retrieval (1986)
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Griffiths, A.; Robinson, L.A.; Willett, P.: Hierarchic agglomerative clustering methods for automatic document classification (1984)
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