Abstract

The advent of Web services, and the Semantic Webdescribed by domain ontologies, highlight the bottleneck totheir growth: ontology mapping, merging, and integration.In this paper we present the process by which over the last15 years several ontologies of varying complexity have beenmapped or integrated with Cyc, a large commonsenseknowledge base. These include SENSUS, FIPS 10-4,several large (300k-term) pharmaceutical thesauri, largeportions of WordNet, MeSH/Snomed/UMLS, and the CIAWorld Factbook. This has to date required trainedontologists talking with subject matter experts. To breakthat bottleneck – to enable subject matter experts to directlymap/merge/integrate their ontologies – we have beendeveloping interactive clarification-dialog-based tools.

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