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Foundation Problems of measurement have arisen in physics,psychology,and more recently,the social sciences
...The problems of measurement in information retrieval differ from those encountered in the physical sciences in one important aspect
...The next three sections are substantially the same as those appearing in my paper:Foundations of evaluation,Journal of Documentation,30,365 373 1974
...no reason why we cannot postulate a particular ordering,or,to put it more mildly,why we can not show that a certain model for the measurement of effectiveness has acceptable properties
...1 all properties ascribed are consistent;2 they bring out into the open all the assumptions made in measuring effectiveness;3 each property has an acceptable interpretation;4 the model leads to a plausible measure of effectiveness
...It is as well to point out here that it does not lead to a uniquemeasure,but it does show that certain classes of measures can beregarded as being equivalent
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