- From: Enrico Franconi <franconi@inf.unibz.it>
- Date: Sat, 5 Aug 2006 00:11:38 +0200
- To: Pat Hayes <phayes@ihmc.us>
- Cc: RDF Data Access Working Group <public-rdf-dawg@w3.org>
> Can you give references for all this terminology that you cite? > What exactly is the "active" domain? There is nothing in any > semantic theory that I know of that distinguishes *things in the > domain* on the basis of the kind of name that is used to refer to > them with. The idea does not make sense, in any case: if bnodes > were obliged to refer to a non-active domain while names refer to > something else, then the troublesome redundancies would be eliminated. The first entry in <http://scholar.google.com/scholar?q=%22active +domain%22+database> is a survey in DBs written 20 years ago. > I have never previously heard of this terminology of > "distinguished" vs. "nondistinguished". (You have everyone's > permission at this point to roll your eyes in amusement at my > profound ignorance, of course.) I would be interested to see where > this terminology was first used, and what its history is. In a > database context where there are no bnodes, the distinction would > be vacuous. Ah. Second and third entries in <http://scholar.google.com/scholar? q=distinguished%20variables> are DB references from almost 30 years ago. --e.
Received on Friday, 4 August 2006 22:12:22 UTC