I'm not familiar with the idea of using a letter prefix with a colon before an English word. Does this make the OWL information generated work better? Is this supposed to be an RDF namespace ? Dave <div class="gmail_quote">On Mon, Mar 30, 2009 at 9:22 AM, Alireza <<a href="mailto:alireza.khoshkbari@gmail.com">alireza.khoshkbari@gmail.com</a>> wrote: <blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;"> Hello everybody, I want to generate the following ontology(as shows on the following picture) via ACE. <a href="http://itman01.persiangig.ir/images/Clip_4.jpg" target="_blank">http://itman01.persiangig.ir/images/Clip_4.jpg</a> I’ve used the following ACE sentences: >> There is a n:process. p:Process_1 is a kind of a n:process. There is a n:resource. a n:technology is a n:resource. p:Software_1 is a kind of a n:technology. a n:Process has a n:resource. p:Process_1 has p:software_1. >> However, the generated OWL is not what I expected. moreover, what are the usage of nodeIDs in produced owl? Any suggestion would be appreciated. _______________________________________________ attempto mailing list <a href="mailto:attempto@lists.ifi.uzh.ch">attempto@lists.ifi.uzh.ch</a> <a href="https://lists.ifi.uzh.ch/listinfo/attempto" target="_blank">https://lists.ifi.uzh.ch/listinfo/attempto</a> </blockquote></div>