[protege-discussion] Algernon 4.2 released

Algernon 4.2 has been released.  This is a minor update
to fix a bug where backward chaining rules weren't correctly
activated if the slot name was string-delimited.  If you
aren't having any trouble with your program you don't need
to upload the new version.

Version 4.2 is compiled with Protege 2.0.1.  In the next
week I will produce a version restructured in the new
Protege 2.1 style.  In the meantime, I have been told that
it works fine with Protege 2.1.

Mike Hewett

[protege-discussion] Re: Value for value of Slot

Hi;
Thank you for your explanation.
As you mentioned reify the relation, or making the
dictionary as an object will be a proper solution. 
Meanwhile I would like to ask a question related to
this case:
Regarding the value of a slot, there are many value
types, but for each slot, only one type of value can
be choosen. Is there any possibility for a slot to
have multiple value? Like this in this case study
there can be:
Slot: Definition(that can have multiple value type)
1: Type string:that contains a text of definition of
term.
2: Type  class: that contains the name of dictionary 
Thank you

--- Ray Fergerson <fergerson <at> SMI.Stanford.EDU> wrote:
> 
> OK, I think that I see.  You need to "reify" the
> relation (make it into a 
> class).  Thus something like
> 
> class English_Term
>          slot definitions: Definition,
> cardinality=multiple
> 
> class Definition
>          slot text: String

[protege-discussion] probelm with protege API

hi,
I am trying to access the newspaper.pprj project using a java application , I have compiled the
knowledgeBasePrinter.java file successfully , but when i execute the class file I get a
nullPointerException error. Because when i open the project the errors collection has one error ,ie NullPointerException.
Can anyone tell me what am I doing wrong. I need help urgently, please.
Thanks
nishith kumar datta
IIT Delhi

		
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Adding links in graphWidget

Hi,

Is there any method in protege I can use to add a new link between 2 nodes in the graphWidget. I want to make a
plugin that will add links between selected node, I was having trouble using the newlink method in graphWidget.

Any help would be appreciated.

Thanks,
Nayana

[protege-discussion] Invalid encoding name "UTF8"

I tried open my previously edited owl project
but an exception shows

com.hp.hpl.jena.rdf.arp.ParseException: {E301} Invalid encoding name 
"UTF8".

how to solve it?
thank you

mbm31

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[protege-discussion] Re: Invalid encoding name "UTF8"

Perhaps you edited this with an obsolete version of Protege.
The classic response to this is, reinstall and try again.
To correct your existing files you could change the first
line in the owl file with UTF-8.

Holger

-----Original Message-----
From: protege-discussion-bounce <at> SMI.Stanford.EDU
[mailto:protege-discussion-bounce <at> SMI.Stanford.EDU]On Behalf Of T Sean
Sent: Sunday, May 02, 2004 6:49 AM
To: protege-discussion <at> SMI.Stanford.EDU
Subject: [protege-discussion] Invalid encoding name "UTF8"

I tried open my previously edited owl project
but an exception shows

com.hp.hpl.jena.rdf.arp.ParseException: {E301} Invalid encoding name
"UTF8".

how to solve it?
thank you

mbm31

_________________________________________________________________
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[protege-discussion] Algernon 4.3 released

Algernon 4.3 is available on SourceForge.  This fixes a bug
inadvertently introduced in v4.2.

   http://algernon-j.sourceforge.net/

Algernon is a rule engine that processes forward and backward
chaining rules on Protege knowledge bases.  It is similar to
JESS in functionality, but easier to install and run.

It is also works with more than just Protege KBs.  For example,
it comes with a Google backend that allows you to access Google
as  a knowledge base.  It also includes some beta code to
access any Java API as a knowledge base.

Mike Hewett

Using API Example - KnowledgeBasePrinter

Hello People,
 I ran the example KnowledgeBasePrinter.java for reading the Protege
Knowledge Base. After running, I have some questions that I did not
understand:
 - Why it needs to run Protege application and find the installed plugins?
For that I must keep the *.class file into the Protege directory?
 - In the result like that:

Class: :STANDARD-SLOT
  Instance: :DOCUMENTATION
  Instance: :NAME
  Instance: :ROLE...
Class: Administrator
  Instance: dani
  Instance: mig

It shows me classes like “STANDARD-SLOT“, that in the first time I thought
it belongs to an RDF/OWL format, but I saw that it didn’t.
- Thus I ask, what are these classes that it shows me? Where do they come
from?
- Can I have an output that show only my classes and instances, that is the
classes and instances that I created in Protege, like Administrator,
Professor, Person?
Thank you in advance,
Daniela
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[protege-discussion] Re: Using API Example - KnowledgeBasePrinter

 hi people,
I am using protege version2.0.1.
While accessing a protege project from java application ,On execution of the
KnowledgeBasePrinter.class file , I get the follwoing errors . please provide any help to successfully
run the java program
Exception in thread "main" java.lang.NoSuchMethodError
        at edu.stanford.smi.protege.storage.clips.ClipsUtil.toInternalSymbol(Unk
nown Source)
        at edu.stanford.smi.protege.storage.clips.Parser.symbol(Parser.java:2357
)
        at edu.stanford.smi.protege.storage.clips.Parser.cls(Parser.java:866)
        at edu.stanford.smi.protege.storage.clips.Parser.parseOntology(Parser.ja
va:1805)
        at edu.stanford.smi.protege.storage.clips.Parser.loadClses(Parser.java:3
2)
        at edu.stanford.smi.protege.storage.clips.ClipsKnowledgeBaseFactory.load
KnowledgeBase(Unknown Source)
        at edu.stanford.smi.protege.storage.clips.ClipsKnowledgeBaseFactory.load
KnowledgeBase(Unknown Source)
        at edu.stanford.smi.protege.model.Project.loadProjectKB(Unknown Source)
        at edu.stanford.smi.protege.model.Project.<init>(Unknown Source)
        at edu.stanford.smi.protege.model.Project.<init>(Unknown Source)
        at kbp.main(kbp.java:16)

Thanks in advance
nishith

		
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[protege-discussion] test