Juan Lopez

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Ontologies define hierarchies of classes and attributes; they are meta-data: data about data. In the " traditional approach " to on-tology engineering, experts add new data by carefully analyzing others' ontologies and fitting their new concepts into the existing hierarchy. In the emerging " Semantic Web approach " , ordinary users may not look at anyone's(More)
Ontologies define hierarchies of classes and attributes; they are meta-data: data about data. XML Schema and RDF Schema are both (lightweight) ontology definition languages in that sense. In the " traditional " approach to ontology engineering, experts add new data by carefully analyzing others' ontologies and fitting their new concepts into the existing(More)
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