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[protege-discussion] protege-discussion Digest, Vol 21, Issue 3

Deepak Chandra Misra dcmisra62 at yahoo.co.in
Thu Apr 3 22:40:30 PDT 2008


Dear All,

I am a beginner in usage of Protege and would like to know how to create an interface with Oracle RDBMS which I think supports management of Ontological objects and Knowledge base. Is it possible ? Is there any other RDBMS which supports RDF/RDFS/OWL environment ?

We are trying to create a larg ontology for Rural local self governments and would like to keep it in some RDBMS instead of protege supported flat file to get better response time.

This problem is also highlighted by Renata Porto.

Cheers, 

Misra  DC
India

----- Original Message ----
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To: protege-discussion at lists.stanford.edu
Sent: Friday, 4 April, 2008 12:40:47 AM
Subject: protege-discussion Digest, Vol 21, Issue 3

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Today's Topics:

  1. Re: Attaching data to classes and querying it (Terence Fitzgerald)
  2. How to keep the knowledge base in a RDBMS? (Renata Porto)
  3. Cypher Natural Language to RDF/SPARQL    transcoder (Sherman Monroe)
  4. CFP - extended deadline - OLP3 Workshop on Ontology Learning
      and Population at ECAI 2008 in Patras, Greece (Paul Buitelaar)


----------------------------------------------------------------------

Message: 1
Date: Wed, 2 Apr 2008 15:57:39 -0400
From: "Terence Fitzgerald" <terence.fitzgerald at relegence.com>
Subject: Re: [protege-discussion] Attaching data to classes and
    querying it
To: "User support for Core Protege and the Protege-Frames editor"
    <protege-discussion at lists.stanford.edu>
Message-ID:
    <7D8EA4DB70F2D34EA2D29DA49BF67C5748402F at REL-2PN-EXCH.relegence.com>
Content-Type: text/plain;    charset="us-ascii"

Thanks, Samson, for your quick reply.  I clearly hadn't gotten to
metaclasses yet, but I'll be using them now!

Best,
Terence

Terence,

You need to create your own metaclasses so that you can attach 
class-specific information and query for them. See [1] and subsequent 
pages on creating metaclasses and instances of metaclasses. The basic 
idea is that a class is an instance of some metaclass, just as normal 
instances are instances of classes. So you can treat classes as 
instances if they are instances of appropriate metaclasses.

[1]http://protege.stanford.edu/doc/users_guide/classes/metaclasses/metac
lass_intro.html

-- 
Samson Tu                                  email: swt at stanford.edu
Senior Research Scientist                  web: www.stanford.edu/~swt/
Center for Biomedical Informatics Research  phone: 1-650-725-3391
Stanford University                        fax: 1-650-725-7944



------------------------------

Message: 2
Date: Wed, 2 Apr 2008 17:41:15 -0300
From: "Renata Porto" <rporto.usp at gmail.com>
Subject: [protege-discussion] How to keep the knowledge base in a
    RDBMS?
To: protege-discussion at lists.stanford.edu
Message-ID:
    <5d8c1d710804021341m6046b677we1e2991bfda5e130 at mail.gmail.com>
Content-Type: text/plain; charset=UTF-8

Dear All.
I have a set of domain ontologies in RDF/OWL and now I want to create
my instances to be used by domain entities.
My idea is to keep the RDF/OWL ontologies in a text file and the RDF
instances in a Relation Database (MySQL).
How can I use the Protege to create the tables and relationships in
the database to be used by an application?
How is the developers creating the architecture with ontology, its
instances and the consumer applications?
Since the instances in a RDBMS are in RDF how can I associate the
semantic meanings from an OWL ontology.
Cheers,  Renata.


------------------------------

Message: 3
Date: Thu, 3 Apr 2008 11:07:23 -0500
From: "Sherman Monroe" <smonroe at monrai.com>
Subject: [protege-discussion] Cypher Natural Language to RDF/SPARQL
    transcoder
To: protege-discussion at lists.stanford.edu
Message-ID:
    <e23f467e0804030907y363ccd0cn9eafdf04c4d9f5d6 at mail.gmail.com>
Content-Type: text/plain; charset="iso-8859-1"

Hi All,

I'd like to announce the shinny new Beta release of
Cypher transcoder, a semantic web and NLP platform for converting natural
language sentences and phrases into RDF triples. This release is based on
Sesame 2.

Cypher is an AI program that generates the .rdf (RDF graph) and .serql
(SeRQL query) representations of plain language input, allowing users to
speak plain language to update and query databases. With robust definition
languages, Cypher's grammar and lexicon can quickly and easily be extended
to process highly complex sentences and phrases of any natural language, and
can cover any vocabulary. Equipped with Cypher, programmers can begin
building next generation semantic Web applications that harness natural
language.

Please try my application, and feel free to submit questions, suggestions,
etc. If you find value in the program, please help spread the word to your
colleagues.

The latest build can be downloaded from:

http://monrai.com/products/cypher/

The official mailing list can be found at:

http://groups.google.com/group/cypher-developer

The documentation can be found at:

http://monrai/products/cypher/documentation

Thanks,
-sherman

-- 
I pray that you may prosper in all things and be healthy, even as your soul
prospers
(3 John 1:2)
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------------------------------

Message: 4
Date: Thu, 03 Apr 2008 18:33:47 +0200
From: Paul Buitelaar <paulb at dfki.de>
Subject: [protege-discussion] CFP - extended deadline - OLP3 Workshop
    on Ontology Learning and Population at ECAI 2008 in Patras, Greece
Cc: Myra Spiliopoulou <myra at iti.cs.uni-magdeburg.de>,    George Paliouras
    <paliourg at iit.demokritos.gr>,    Philipp Cimiano
    <pci at aifb.uni-karlsruhe.de>
Message-ID: <47F506EB.7040902 at dfki.de>
Content-Type: text/plain; charset=ISO-8859-1; format=flowed

*** extended deadline: April 13, 2008 ***

3rd Workshop on Ontology Learning and Population (OLP3)
at the
18th European Conference on Artificial Intelligence (ECAI)

http://olp.dfki.de/olp3/

July 21st/22nd, 2008, Patras, Greece

Supported by

- BOEMIE: http://www.boemie.org/
- X-MEDIA: http://www.x-media-project.org
- Theseus: http://theseus-programm.de/

Endorsed by

ACL-SIG on Computational Semantics: http://conclave.open.ac.uk/SIGSEM

Invited speaker: Enrique Alfonseca (Google Europe)

The third in the successful series of OLP workshops is inviting research 
contributions in the following areas:
* Knowledge sources for ontology learning and population
* Knowledge extraction for ontology learning and population
* Evaluation of ontology learning and population
* Methods in ontology learning and population
* Ontology evolution

Important Dates
-------------------------
April 13th Submission Deadline
May 13th Notification
June 9th Camera-ready Version
July 21st/22nd Workshop

More details on topics of interest and submission guidelines at: 
http://olp.dfki.de/olp3/

Looking forward to seeing you in Patras in July!

The workshop organizing Committee:
Paul Buitelaar, DFKI, Germany
Philipp Cimiano, AIFB, Univ. of Karlsruhe, Germany
George Paliouras, NCSR  "Demokritos", Greece
Myra Spiliopoulou, Otto-von-Guericke University Magdeburg, Germany





------------------------------

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