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[protege-owl] About webprotege, I need your help~~

caihong 456rain at
Tue Nov 9 23:56:20 PST 2010

Hi Jack,

Thanks very much for your reply, I will try it later!

I saw protege web browser from, and this tool was also as powerful as webprotege ----  Protege Web Browser is a Java-based Web application that allows you to share, browse, and do some basic editing of Protege knowledge bases via the World Wide Web.
So why is this application no longer actively maintained or supported?
Comparing with webprotege, what is the advantage of webprotege?

Thanks a lot,

At 2010-11-10 08:30:33,"Jack Elliott" <jack.elliott at> wrote:

>Hi Rainbow,
>> For the second question, I know that prompt can compare the two 
>> file-based project, but when I save all the data in database, How can 
>> I check the changes make by different users?
>We think that you will need to enable the ChAO and use the UsersTab 
>view. To enable the ChAO, open your database project in the Protege 
>client and click on Collaboration -> Show Collaboration Panel. You will 
>be prompted for where you would like to create the Changes Ontology. 
>Give the information you would like for the database, but also take 
>careful note of where you save the pprj file. [1] Note that pprj files 
>are created by default in the same directory as the original pprj file 
>and are usually called annotation_OriginalProjectName.pprj.
>You will now need to enable the multi-user mode, because you're running 
>Protege as a server. Start by logging onto your Protege server in 
>Administration Mode and creating a new Project instance. Set the 
>location of the project instance to the newly created annotation pprj 
>file. [2] Now, still in Administration Mode, go to the instance of your 
>original project and set the AnnotationProject property (far to the 
>bottom of the screen, you may need to enlarge the Server Administration 
>Panel) to point to your newly created annotation project instance. [3]
>Change tracking is now enabled - all the changes made to your original 
>project will be stored in your newly created annotation project. To 
>visualize these changes grouped by user, reopen the Protege client and 
>enable the UsersTab (Project -> Configure and check the box labeled 
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