A prototype system has been developed to analyze the ambiguity and complexity of existing cataloging rules, i.e.,
Anglo-American Cataloguing Rules, 2nd ed., 1988 revision. The system has functions to examine the internal structure of each rule and to investigate inter-rule relationships as well. This paper addresses the inter-rule relationship analysis and explores the feasibility for implementing functions to verify the consistency and completeness of a rule set on the basis of that analysis. With expansion of the rule relationship analysis, the system can identify inconsistencies in a rule set by looking for redundant rules, subsumed rules, conflicting rules, unnecessary conditions, and so on. The system can also check completeness by looking for missing rules within a given range of rules. This paper assesses the validity and usefulness of the proposed approach and also considers its problems and issues.
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