Hierarchic Document Clustering Using Ward's Method. - Abdelmoula El-Hamdouchi; Peter Willett 002 (SIGIR, 1986)

Techniques for the measurement of clustering tendency in document retrieval systems. - Abdelmoula El-Hamdouchi; Peter Willett 002 (J. Inf. Sci., 1987)

An improved algorithm for the calculation of exact term discrimination values. - Abdelmoula El-Hamdouchi; Peter Willett 002 (Inf. Process. Manag., 1988)

Comparison of Hierarchie Agglomerative Clustering Methods for Document Retrieval. - Abdelmoula El-Hamdouchi; Peter Willett 002 (Comput. J., 1989)

Inclusion of Relevance Information in the Term Discrimination Model. - Tesfaye Biru; Abdelmoula El-Hamdouchi; Rodney S. Rees; Peter Willett 002 (J. Documentation, 1989)