OWL 1.1 Web Ontology Language

OWL 1.1 Web Ontology Language is beginning to take shape. I'm most excited about the new datatype support. For example, you can now say "Adults are Persons that have age someValuesFrom >= 18" In other words, you can now define ranges to acceptible values for a datatype. This is different than cardinality (which would be something like "SuperPetLover is a Person with 5 pets"), this is restricting the acceptible ranges for values of datatype properties.

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