ON RELEVANCE WEIGHT ESTIMATION AND QUERY EXPANSION
S.E. ROBERTSON
(Department of Information Science, The City University, London, EC1V 0HB)
402
Abstract
A Bayesian argument is used to suggest modifications to the Robertson/Sparck Jones relevance weighting formula, to accommodate the addition to the query of terms taken from the relevant documents identified during the search.
Citation
ROBERTSON, S.E. (1986), "ON RELEVANCE WEIGHT ESTIMATION AND QUERY EXPANSION", Journal of Documentation, Vol. 42 No. 3, pp. 182-188. https://doi.org/10.1108/eb026792
Publisher
:MCB UP Ltd
Copyright © 1986, MCB UP Limited