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Good point. I think you've changed my mind about the utility of inferencing :).

The difference between querying and inferencing isn't what I was trying to emphasise, though. My point was the difference between being designed for making queries/inferences within a dataset, and being designed for joining distinct datasets.

Querying within a dataset is easy: SQL, XPath, XQuery, LINQ, etc. You can write rules for transforming any data model that you can query.

RDF isn't anything special in these areas (though I do think that SPARQL is an awfully nice query language). What it gives you is a way to link and merge datasets.




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