On the optimal number of features in the classification of multivariate Gaussian data. - Anil K. Jain 001; W. G. Waller (Pattern Recognit., 1978)

On the monotonicity of the performance of Bayesian classifiers (Corresp.). - W. G. Waller; Anil K. Jain 001 (IEEE Trans. Inf. Theory, 1978)

A mathematical model of a weighted boolean retrieval system. - W. G. Waller; Donald H. Kraft (Inf. Process. Manag., 1979)

A Bayesian approach to user stopping rules for information retrieval systems. - Donald H. Kraft; W. G. Waller (Inf. Process. Manag., 1981)