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[protege-owl] adding ontologies

Matthew Horridge matthew.horridge at
Thu Jan 10 14:19:16 PST 2008

In Protege 4 there is a "Merge Ontologies...." item on the "Refactor"  
menu.  I think this should do what you want.  (You need to open the  
first ontology and then open the next ontology in the same frame).   
You can then choose the ontologies that you want to merge and choose  
to merge into a newly created ontology or an already open ontology.



On 10 Jan 2008, at 20:43, Martin O'Connor wrote:

> You might want to look at the Galen Segmenter [1], which supports
> extraction of OWL entities from multiple ontologies into one ontology.
> Another possibility, is to use SWRL rules in C and F to do the  
> mapping.
> The SWRLFactory API [2] can then be used to copy rules between  
> ontologies.
> Martin
> [1]
> [2]
> Alexander Musidlowski wrote:
>> Hi,
>> i´ve got two ontologies A and B. Then there is a third ontology C,  
>> which
>> contains the mapping of A and B. I´m loading C.
>> Now i´m getting the ontologies D and E and again an ontology F, which
>> contains the mapping of D and E. I´m loading F.
>> Here comes the question: How can i put the ontologies C and F into  
>> one
>> ontology? From my perspective this is just a simple adding of
>> ontologies but i found no way to do this. I´m using the API so i need
>> some code.
>> Background:
>> A and B are sources with similar content e.g. different bookstores.  
>> If
>> i get a query (SPARQL) which can be answered by A then there are  
>> maybe
>> some useful data also stored in B. When i get the query i like to  
>> look
>> up the resources of the query in the mapping ontology C. If there is
>> an entry like " is equivalent class B.writer" then i want to
>> rewrite the query and send it to source B. The results of source A  
>> and
>> B will be merged.
>> As i do not know which sources i will have, i like to save every
>> mapping i get into one ontolgy.
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