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Abstract:
e-Science, as implemented for the study of geology with Geographic Information Systems over the Internet, has highlighted the need for standardization in the semantics of geology, and stimulated international action in this regard. This standardization is not intended to replace free thinking and expression, but to supplement it. Standardisation of these semantics is a difficult and costly exercise, which requires prototyping in order to be successful. Similarity ranking exercises provide a broadly relevant class of prototyping activity, and these are being actively pursued in a number of geologically related fields of scientific endeavour.