Alexander Sidorov wrote:
Hi, Hugh!
These examples demonstrate RDF-store access by EF using Views. But I
would like some more dynamic way: I don't like the idea of creating a
view for every query. The one dynamic example in that list called
"Creating Silverlight Application for Browsing RDF Data
<http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtSilverlightSPARQLExample>"
doesn't use EF at all: it uses SPARQL through http.
So are there any means for dynamic RDF-store querying from .NET except
nake http? I have the only idea about using Jena or Sesame converted
with IKVM.NET <http://IKVM.NET>, but may be there are some other options?
Are you trying to data returned from Web Services and/or Web Resources
(e.g. HTML etc.)? If so then its a two phased process:
1. Get the data into Virtuoso via its in-built Sponger Middleware (if
there isn't a Cartridge for the data source your interested in, consider
making a custom cartridge or hooking your extractor into the Sponger)
2. Use Virtuoso ADO.NET provider (which works fine with LINQ or any
other mechanism that interacts with Entity Frameworks) to query the Quad
Store or send it SPARQL which can do perform configurable crawling "on
the fly".
Links
1. http://virtuoso.openlinksw.com/screencasts/virtuoso-rdf-middleware3.swf
2. http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtSponger
Kingsley
Regards,
Alexander
2010/1/3 Hugh Williams <[email protected]
<mailto:[email protected]>>
Hi Alexander,
There are a number of "Sample Walk-through Application" examples
on accessing using the Virtuoso ADO.Net Provider for accessing the
RDF-store via various methods, in the documentation at:
http://virtuoso.openlinksw.com/dataspace/dav/wiki/Main/VirtAdoNet35Provider
I hope his is what you are looking for ...
Best Regards
Hugh Williams
Professional Services
OpenLink Software
Web: http://www.openlinksw.com
Support: http://support.openlinksw.com
Forums: http://boards.openlinksw.com/support
Twitter: http://twitter.com/OpenLink
On 2 Jan 2010, at 16:33, Alexander Sidorov wrote:
> Hello!
>
> Are there any examples of using Virtuoso provider for accessing
non-relational sources (I am especially in accessing RDF-store)?
>
> Regards,
> Alexander
>
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