August 2009
Intermediate to advanced
456 pages
14h 8m
English
Content preview from Foundations of Semantic Web Technologies
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Chapter 7
Query Languages
In previous chapters, we learned about a number of possibilities for specifying
information in a machine-readable way. RDF allows us to structure and relate
pieces of information, and RDFS and OWL introduced further expressive
means for describing more complex logical relations. The latter was further
extended by means of logical rules that could be combined with OWL. For
each of those description languages, we also introduced a notion of logical
entailment: RDF(S) documents may entail other documents (Chapter 3),
and OWL knowledge bases – possibly augmented with rules – can imply new
axioms (Chapters 4, 5, 6).
But how exactly ...
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I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.