Challenge Problems
As we saw in the previous examples, the class constructors in OWL can be combined in a wide variety of powerful ways. In this section, we present a series of challenges that can be addressed using these OWL constructs. Often the application of the construct is quite simple; however, we have chosen these challenge problems because of their relevance to modeling problems that we have seen in real modeling projects.
Local restriction of ranges
We have already seen how rdfs:domain and rdfs:range can be used to classify data according to how it is used. But in more elaborate modeling situations, a finer granularity of domain and range inferences is needed. Consider the following example of describing a vegetarian diet:
From these ...
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