Hi All, (01)
I must be daft!! I have started looking at the OWL 2 documents
and I'm bumfuzzled. I'm sure there are many very bright people
who have contributed to and designed this language. But the
documents do not communicate it very well. Sometimes that is
the intension, I hope that is not the case here. (02)
Specifically, I notice some things about the overview document.
1. The figure 1 image is said to show the language. It doesn't
look like any language structure I've seen. Normally, I
would expect to see some initial assumptions or operating
characteristics and perhaps a BNF or other more formal
representation. I would also expect to see a few examples
to show how those language features are used. (03)
2. The ellipse shows both "ontology structure" and "RDF graph"
as part of the language. Can that be right? Is the maping
also part of the language? (04)
3. Parsing is shown to be possible for importing from a number of
other document types. Again, are these part of the language?
I could envision that import and export functions could be.
Are the parsers part of the language or are they external
4. Direct (OWL 2?) semantics and RDF-Based Semantics are both
shown as part of the diagram. I've worked on systems that
attempted to include dual semantics and they were very
difficult to keep synchronized. Am I misreading this? (06)
I'm not a technical writer, but what I've read so far clearly does
not communicate for me. It would be a useful exercise for some
expert with writing skills to provide us with a readable explanation
of what was intended. (07)
First Star Networks Inc.
Concord, MA (08)
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