[redland-dev] question on data backend

[Ron Alford]

You can write you own Model backend fairly easily.
Take a look at rdf_storage_list.c
I wrote a redland backend to talk to Parka, an inferencing triple store.  
It's certainly not production quality, but you can use it as an example.  
I had to do lots of ugly things to get around nasty parkaisms (not being 
able to encode all valid characters in a literal or uri).  You will 
probably be able to get away with a less nasty encoding than I did.  You 
can find my code under http://www.mindswap.org/2002/parka/#redland

I was  severely limited in interfacing to parka, but you should have 
much more flexibility in interfacing to a standard relational database.  
Have you looked up any of the database schemas people are using?  

This page used to be good: http://www-db.stanford.edu/~melnik/rdf/db.html
but the server seems to be down.  Perhaps you can get it out of the goole 
cache.

-Ron

On Wed, 21 May 2003, Stephan Stapel wrote:

> Dear list, 
>  I'm rather new to redland and rdf in general. However I'm thinking to
> create a groupware package based on rdf. What I would like to know if
> it's possible (and makes sense) to integrate other data sources as the
> redland backend, e.g. a standard relational database system in order to
> make multiple users access the repository concurrently. Sorry, if this
> question is a *newbie* one...
>  
> Kind regards, 
>  
> Stephan 
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--
Ron Alford, KB0NUV
http://volus.net/~ronwalf