Hi, Rob... this sounds interesting, though I missed the link for the project. Pointer please?
My own attempt a this a few years ago is at: https://code.google.com/p/scon/wiki/Introduction Feel free to ransack it for code. :-) Claude... in terms of automatically providing an RDBMS view of RDF, it seems to me that the inferencing in the schema builder would be limited. Have you found this? I would think that something like R2RML would provide a more consistent mapping (though this has been defined for mapping in the opposite direction). I'm interested to hear your experiences. Regards, Paul Gearon On Tue, Apr 2, 2013 at 12:47 PM, Rob Vesse <[email protected]> wrote: > Reformatted so you can actually tell who said what: > > > On 4/2/13 9:30 AM, "Rob Vesse" <[email protected]> wrote: > > >Comments inline: > > > >From: Claude Warren <[email protected]<mailto:[email protected]>> > >Date: Tuesday, April 2, 2013 5:13 AM > >To: Rob Vesse <[email protected]<mailto:[email protected]>>, > >"[email protected]<mailto:[email protected]>" > ><[email protected]<mailto:[email protected]>> > >Subject: jdbc4sparql > > > >Rob, > > > >I took a quick look at your JDBC experimental project. I didn't see > >where it provided a SQL interface. Am I missing something? > > Nope it intentionally doesn't have one, the aim of my design is to provide > a JDBC wrapper around SPARQL and not to try and present any kind of fake > SQL abstraction layer on top of it. > > > > > > >I have a JDBC4SPARQL project as well -- due to the SQL parser it is not > >entirely Apache licensed -- the instance I have talks so SPARQL endpoints > >or any Jena readable RDF format file. It presents a compliant JDBC > >driver that allows BI tools and other JDBC consumers to view the graph as > >a relational database. The mechanism for creating virtual tables is > >pluggable -- currently is assumes that all "class" instances are tables > >and all properties of the instances are columns. > > > >If you want to take a look it is at: > >https://github.com/Claudenw/jdbc4sparql > > > >I would be more than happy to contribute it to the JDBC experimental > >project if you think it would help. > > > > Adding some sort of layer on top of what I am building to provide the SQL > abstraction on top of it might be a nice future extension but right now I > am trying to concentrate on getting a solid basic implementation of JDBC > to SPARQL going > > Rob > > > > > > >-- Claude > > > >-- > >I like: Like Like - The likeliest place on the > >web<http://like-like.xenei.com> > >Identity: https://www.identify.nu/[email protected] > >LinkedIn: http://www.linkedin.com/in/claudewarren > >
