Thanks Richard,
As constraints aren't represented, so formulating them as
RIF<http://www.w3.org/2005/rules/wiki/RIF_In_RDF>rules and adding them
to the obtained ontology would be a solution ?
--
Kamler Hammez
2010/12/8 Richard Cyganiak <[email protected]>
>
> On 8 Dec 2010, at 05:07, Kamler Hammez wrote:
>
> Hello,
>>
>> When applying the script : generate-mapping *,* D2RQ starts to generate a
>> default mapping file, and it does allow users to provide additional
>> labels,
>> comments, and properties after this ; and apprently it is also possible to
>> play with the whole mapping file.
>> I wanted to know wether it's possible to do changes on those rules that
>> generate the mapping file and customize them, in order to add more
>> specifications on how I would like the process of the mapping will be
>> executed | And to add for example such functions to the D2RQ vocabulary
>> that
>> will be applied in execution-time to filtre which data or property to
>> choose
>> from the Database, and so forth.. ?
>>
>
> These rules are written in Java and you can change them by modifying the
> Java sources of D2RQ. The key file is this:
> /src/de/fuberlin/wiwiss/d2rq/mapgen/MappingGenerator.java
>
>
> - Next question is wether it is possible to use the D2RQ engine separatly
>> of
>> the D2R Server?
>>
>
> Yes, you can use it via the Jena API or via the dump-rdf command line
> script that's provided with the download. Refer to the manual for details.
>
>
> - Last: How D2RQ represent constraints that a database may contain?
>>
>
> It doesn't. It just represents the data.
>
> Best,
> Richard
>
>
>
>> Regards,
>> --------
>> Kamler Hammez
>>
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>
>
--
Kamler Hammez
------------------------------------------------------------------------------
What happens now with your Lotus Notes apps - do you make another costly
upgrade, or settle for being marooned without product support? Time to move
off Lotus Notes and onto the cloud with Force.com, apps are easier to build,
use, and manage than apps on traditional platforms. Sign up for the Lotus
Notes Migration Kit to learn more. http://p.sf.net/sfu/salesforce-d2d
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