[Kim-discussion] questions about trusted entities and extending ontologies

[alistair.duke at bt.com]

Hi Yang,

Are you behind a proxy? I’ve come across this error when protégé can’t see beyond the proxy.

See:
https://mailman.stanford.edu/pipermail/protege-discussion/2007-February/000735.html

for information on how to resolve this.

Alistair


Alistair Duke
Future Business Applications & Services
BT Innovate & Design
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From: kim-discussion-bounces at ontotext.com [mailto:kim-discussion-bounces at ontotext.com] On Behalf Of Philip Alexiev
Sent: 07 June 2010 09:42
To: Yang Fangkai
Cc: kim-discussion at ontotext.com
Subject: Re: [Kim-discussion] questions about trusted entities and extending ontologies

.Hi Yang,


On 06/04/2010 11:05 PM, Yang Fangkai wrote:

     2. As mentioned here

http://ontotext.com/kim/doc/sys-doc/DesigningOntology.html, extending

KIM ontology with new ones needs to define the new ontology based on

PROTON. However, my problem now is I have a huge and complicated

domain ontology written in OWL. Does this mean I should re-analyze the

whole domain ontology and manually align each class/properties into

PROTON? Is there any easy way to do that?


I am not aware of any automated and/or easier way to do this. Follow the instructions in documentation ( http://ontotext.com/kim/doc/sys-doc/DesigningOntology.html ) and especially in 3. Integrating Ontology Extensions. The important points are that if you want your objects to be recognized in the texts, you should follow some rules:
1. All the classes, the objects belong to, should inherit directly or indirectly http://proton.semanticweb.org/2006/05/protons#Entity.
2. Any added classes or properties (relations) must be declared visible.
Those rules are what the  LKB Gazetteer resource uses to fill its lists from the ontology. So following them will result in the gazetteer using the objects for recognition.
3. It is also good to be more specific with the inheritance and whenever possible inherit some of the more specific classes in PROTON Top module. This also servers as a base for the rules in the Jape Grammars.



      3. I used Protege to open protons.owl, but it returned the

following error message. I am wondering why... (maybe this is no

longer the KIM question, but I will be very thankful if you could

offer me a few hints)



org.semanticweb.owlapi.rdf.syntax.RDFParserException:

[line=92:column=48] IRI

'http://www.w3.org/2000/01/rdf-schema##Literal' cannot be resolved

against curent base IRI http://proton.semanticweb.org/2006/05/protons#<http://proton.semanticweb.org/2006/05/protons>


Never came across this error. But you may try some other ontology editors/viewers like Swoop or TopBraid Composer .

Greetings,
Philip



--

Philip Alexiev <philip.alexiev at ontotext.com><mailto:philip.alexiev at ontotext.com>

Software Engineer

Ontotext AD
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