From: <jos.deroo.jd@belgium.agfa.com>

Date: Mon, 25 Jun 2001 18:20:04 +0100

To: phayes@ai.uwf.edu

Cc: w3c-rdfcore-wg@w3.org

Message-Id: <OF89678012.E4B5815D-ON41256A76.005AA23C@bayer-ag.com>

Date: Mon, 25 Jun 2001 18:20:04 +0100

To: phayes@ai.uwf.edu

Cc: w3c-rdfcore-wg@w3.org

Message-Id: <OF89678012.E4B5815D-ON41256A76.005AA23C@bayer-ag.com>

[...] >>I agree that you CANT unify distinct existentially quantified >>variables in the sense that one does with universally >>quantified variables i.e. computing a MGU (Most General Unifier) >>but what we actually compute is a LCU (Least Common Unifier) > >Whoa! Ive never heard that term before. Can you specify what you >mean? Eg give a sketch of this LCU algorithm, or some explanatory >examples? To make a sketch will take some time for me and to analyze the final boolean unify(Euler t, Euler r, Stack s) method in the class http://www.agfa.com/w3c/euler/Euler.java will take some time for you but examples are easier to find 1.given the facts http://www.agfa.com/w3c/euler/danc.n3 then some query http://www.agfa.com/w3c/euler/danc-query.n3 produces result http://www.agfa.com/w3c/euler/danc-result.n3 2.given the facts http://www.agfa.com/w3c/n3/ziv.n3 then some query http://www.agfa.com/w3c/n3/ziv-query.n3 produces result http://www.agfa.com/w3c/n3/ziv-result.n3 3.given the facts http://www.agfa.com/w3c/euler/simulteq.axiom.n3 then some query http://www.agfa.com/w3c/euler/simulteq.lemma.n3 produces result http://www.agfa.com/w3c/euler/simulteq.proof.n3 4.given the facts http://www.agfa.com/w3c/n3/rdfc25May.n3 then some query http://www.agfa.com/w3c/n3/rdfc25May.n3 produces result http://www.agfa.com/w3c/n3/rdfc25May-result.n3 -- Jos De Roo, AGFA http://www.agfa.com/w3c/jdroo/Received on Monday, 25 June 2001 12:20:19 UTC

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