Failed to importing an ontology from Protege into TBC

[msea...@gmail.com]

Hi,

I'm a PhD student doing thesis project. 

In the past, I've been using Protege to build ontologies.

A couple days ago, I started to explore Top Braid Composer, free version, 5.2.0

What I am trying to do is to import my ontology built by Protege into Top Braid Composer. Yet, failed.

1. I've already saved my ontology file in RDF/XML format, import it into Composer's workspace.

2. Then right click on the file, Open with -> Other -> TopBraid (RDF/XML Documents), 

3. Got a dialogue "The file aa.XML does not contain a valid baseURI but appears to be a valid RDF file. Would you like to specify a base URI and try to open it?" 

          - I selected [Yes], and a dialogue shows Base URI for aa.XML "http://www.unknown.com/merge_RDF.XML", 

          - clicked [OK], the following dialogue shows  "A base URI has been added to aa.XML. The system will now try to reload it." 

          - clicked [OK]. However, it just brought me back to "The file aa.XML does not contain a valid baseURI but appears to be a valid RDF file. Would you like to specify a base URI and try to open it?" 

I've tried several times, also searched in this group. But haven't found a solution.

Can any one help to figure this out method of importing ontology from Protege into TBC?

Thanks a lot!

Schusie

 

[David Price]

Try changing the base URI to be that of your ontology rather than just clicking “OK” in step 3.

FWIW I find using Turtle easier than RDF/XML because then if you have to do a fix-up it’s much simpler to edit in a text editor. Also, as ontologies get very large, the Turtle parser taking 20% of the time to load vs RDF/XML makes a difference.

Cheers,

David

UK +44 7788 561308

US +1 336 283 0606

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[Holger Knublauch]

On 21/09/2016 17:54, msea...@gmail.com wrote:

Hi,

I'm a PhD student doing thesis project. 

In the past, I've been using Protege to build ontologies.

A couple days ago, I started to explore Top Braid Composer, free version, 5.2.0

What I am trying to do is to import my ontology built by Protege into Top Braid Composer. Yet, failed.

1. I've already saved my ontology file in RDF/XML format, import it into Composer's workspace.

Could you try renaming the file to use the ending .rdf? Using .xml is quite unusual for RDF/XML files, almost like using .txt for Turtle files.

Holger

2. Then right click on the file, Open with -> Other -> TopBraid (RDF/XML Documents), 

3. Got a dialogue "The file aa.XML does not contain a valid baseURI but appears to be a valid RDF file. Would you like to specify a base URI and try to open it?" 

          - I selected [Yes], and a dialogue shows Base URI for aa.XML "http://www.unknown.com/merge_RDF.XML", 

          - clicked [OK], the following dialogue shows  "A base URI has been added to aa.XML. The system will now try to reload it." 

          - clicked [OK]. However, it just brought me back to "The file aa.XML does not contain a valid baseURI but appears to be a valid RDF file. Would you like to specify a base URI and try to open it?" 

I've tried several times, also searched in this group. But haven't found a solution.

Can any one help to figure this out method of importing ontology from Protege into TBC?

Thanks a lot!

Schusie