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[protege-owl] [p4-feedback] How Protege store and save the data?

Zhuk, Yefim Yefim.Zhuk at
Mon Apr 26 07:46:08 PDT 2010


Can you elaborate a bit on this area?

Will your plugin allow to build ontology from scratch?
Do you plan text, graphics or both supported?
What are other tools that provide similar functions (building ontology from ground zero)?

Thank you,


From: protege-owl-bounces at [mailto:protege-owl-bounces at] On Behalf Of Timothy Redmond
Sent: Monday, April 12, 2010 10:02 AM
To: User support for the Protege-OWL editor; aaatita at; Submit feedback for Protege 4.0 beta
Subject: Re: [protege-owl] [p4-feedback] How Protege store and save the data?

On 04/12/2010 05:25 AM, aden ali wrote:

    Hello everyone !

I’m working on Protege and my work consists of developing a Plugin for Protege 3.4, my plugin is about new concept of building an ontology using Protégé.
Since this question is about Protege 3 and not Protege 4, I am redirecting this question to the protege owl mailing list [1].

To do so I have stated to work and create the interfaces using Java on Eclipse.

My questions are:

1)    Can someone tell me how protégé store the data and how can I save my work on Protégé?
Protege 3.4 is an ontology editor and the primary data saved is in the ontologies.  Probably you are working with OWL so the ontologies are saved as OWL files.  As a plugin developer, you don't generally have to worry too much about storing the data as Protege has existing mechanisms that take care of this for you.

[2,3] are a couple of web pages that talk about what is involved in creating a Protege plugin.


2)    Should I save it as .owl or what will be the file extension for Protégé 3.4?

3)    What are the functions and methods used in Protégé to store and save data and work ( project or ontology to build) in Portege?




Thank you very much in advance for your help.

Best regards,


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