Thanks Tim. Could you please direct me to any documentation that has methods showing how to programmatically set virt:rdf_graph and virt:rdf_sponger properties. When you said browser, did you mean that I need to do it on the condutor ?
Thanks Regards Sashikiran On Mon, Mar 22, 2010 at 8:24 AM, Tim Haynes <[email protected]>wrote: > Rameswara Sashi Kiran Challa wrote: > >> Hello All, >> >> The way I used virtuoso is upload my file containing triples into triple >> store and with the Graph IRI I get, do sparql queries on that. >> >> Can I append say a new set of triples related to already existing ones, >> like have a common Graph IRI for all the data I push into virtuoso store ?? >> >> The way I have been adding adding triples into my triple store was by >> using a WebDAV client where in I write the triples into a file and upload >> the file into virtuoso. >> I get new set of triples say everyday and I want to put them into the >> triple store, so how do I have to make sure that I push that data onto the >> same graph IRI so that I can query the whole content at once ? >> > > Let's start with a sanity check: if you were using ttlp() to load data from > file, then you could specify multiple files and one destination graph, and > they would all be appended into it: > > SQL> ttlp (file_to_string_output ('./foo-1.n3'), '', ' >> http://mygraph.example.com'); >> SQL> ttlp (file_to_string_output ('./foo-2.n3'), '', ' >> http://mygraph.example.com'); >> ... >> SQL> sparql select * from <http://mygraph.example.com> where { ?s ?p ?o . >> }; >> s p o >> >> http://localhost/ http://purl.org/dc/elements/1.1/title This is from >> file 1 >> http://localhost/ http://purl.org/dc/elements/1.1/title This is from >> file 2 >> >> 2 Rows. -- 0 msec. >> > > Now, if you insert RDF data by uploading files into WebDAV (eg via cURL), > then the rdf_sink/ collection into which you deposit files needs two > properties set (by code or through browser): > * virt:rdf_graph contains the name of the graph for uploads. > * virt:rdf_sponger points to the upload method (should be 'on') > > So if you set virt:rdf_graph to a fixed graph IRI, it should also append > data to that graph. > > (See > http://www.openlinksw.com/dataspace/dav/wiki/Main/VirtuosoRDFSinkFolder as > well.) > > HTH, > > ~Tim > -- > Tim Haynes > Product Development Consultant > OpenLink Software > <http://www.openlinksw.com/> > <http://twitter.com/openlink> > -- Sashikiran Challa MS Cheminformatics, School of Informatics and Computing, Indiana University, Bloomington,IN [email protected] 812-606-3254
