<div dir="ltr"><div class="gmail_default" style="color:#9900ff"><br></div><div class="gmail_extra"><div class="gmail_default" style="color:rgb(153,0,255)">Hi Leila, you can glance on what I published on conservative extension</div><div class="gmail_default" style="color:rgb(153,0,255)">on data types over two decades on, e.g. Programming Symposium Paris, or</div><div class="gmail_default" style="color:rgb(153,0,255)">EATCS. Or the paper on Equational Intensity and Reasoning in AI, </div><div class="gmail_default" style="color:rgb(153,0,255)">ECAI 1983. What Owl intends with that I do not know. The has to fix a model before.</div><div class="gmail_default" style="color:rgb(153,0,255)"><br></div><div class="gmail_quote">On Wed, Aug 19, 2015 at 2:41 PM, Leila Bayoudhi <span dir="ltr"><<a href="mailto:bayoudhileila@yahoo.fr" target="_blank">bayoudhileila@yahoo.fr</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div><div style="color:#000;background-color:#fff;font-family:Courier New,courier,monaco,monospace,sans-serif;font-size:13px"><div>Hi,</div><div dir="ltr">Since OWL 2 is based on description Logics, let me know please more about the two notions</div><ul dir="ltr"><li>Conservative extension: this concept means that we should not infere axioms that where were not entailed before an information addition? Is it true what I am saying?</li><li>Monotonicity: additional information to an ontology should not make loose old entailments. Is it true?<br>m I saying true things? Can you correct for me the two concepts in the context of adding knowldge to an an OWL 2 DL ontology? Does this addition should respect these two principles? Are they related in a some way to ontology consistency?<br>Thks.</li></ul></div></div><br>** You received this mail via the description logic mailing list; for more **<br>
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