Can anyone point me in the right direction to export RDF to a file (say TTL, or RDF/XML)?
It looks to me like DB.DBA.RDF_TRIPLES_TO_TTL() would work, but I can't figure out what to pass in to the second parameter (the output stream)? This page mentions this function briefly: http://docs.openlinksw.com/virtuoso/rdfapiandsql.html - Alex > -----Original Message----- > From: virtuoso-users-boun...@lists.sourceforge.net > [mailto:virtuoso-users-boun...@lists.sourceforge.net] On > Behalf Of Alex Black > Sent: Friday, April 27, 2007 12:02 PM > To: Hugh Williams; Imikhailov@Openlinksw. Com; > virtuoso-users@lists.sourceforge.net > Subject: Re: [Virtuoso-users] RDF Views: Defining quad storage, joins? > > Thanks Hugh, Ted (Openlink) actually pointed me to that new > build earlier today to solve another issue I had (the > virtuoso service on Windows was stopping when I logged off > the user who started it), I will try it out! > > - Alex > > > -----Original Message----- > > From: Hugh Williams [mailto:hwilli...@openlinksw.com] > > Sent: Friday, April 27, 2007 11:55 AM > > To: Alex Black; Imikhailov@Openlinksw. Com; > > virtuoso-users@lists.sourceforge.net > > Subject: Re: [Virtuoso-users] RDF Views: Defining quad > storage, joins? > > > > Hi Alex, > > > > The installer you are using currently is probably build # > 3004, but an > > newer installer was uploaded to the OpenLink Download site > > (http://download.openlinksw.com) today which is build # 3009 and > > should function in the manner described by Ivan ... > > > > Best Regards > > Hugh Williams > > OpenLink Software > > > > > > On 27/4/07 16:22, "Alex Black" <alex.bl...@terapath.net> wrote: > > > > > Hi Ivan, > > > > > > I am running Virtuoso 5 on Windows, I downloaded it just > last week. > > > > > > Yes, that IRI class is declared before use. > > > > > > However, that code below still doesn't work for me, I > > instead create a > > > view joining the two tables, and use that one view in my > > quad storage > > > creation. > > > > > > - Alex > > > > > >> -----Original Message----- > > >> From: imikhailov [mailto:imikhai...@openlinksw.com] > > >> Sent: Friday, April 27, 2007 11:20 AM > > >> To: Alex Black; virtuoso-users@lists.sourceforge.net > > >> Subject: RE: [Virtuoso-users] RDF Views: Defining quad > > storage, joins? > > >> > > >> Alex, > > >> > > >> Fred's blog entry refer to a version that is now obsolete. > > >> First of all, try to update to a recent version. > > >> If IRI class conceptSchema:iri_concept declared before > use in this > > >> declaration then the declaration seemes OK for me. > > >> > > >> Best Regards, > > >> Ivan Mikhailov. > > >> > > >> > > >> ________________________________ > > >> > > >> From: virtuoso-users-boun...@lists.sourceforge.net > > >> [mailto:virtuoso-users-boun...@lists.sourceforge.net] On > Behalf Of > > >> Alex Black > > >> Sent: Friday, April 27, 2007 9:35 PM > > >> To: virtuoso-users@lists.sourceforge.net > > >> Subject: Re: [Virtuoso-users] RDF Views: Defining quad > > storage, joins? > > >> > > >> > > >> I found a solution, I created views beforehand that > performed the > > >> joins, and then used those joined views instead of the tables. > > >> > > >> I got this idea from Frederick Giasson's blog entry > about creating > > >> RDF views for WordPress and MediaWiki: > > >> > > >> http://fgiasson.com/blog/index.php/2007/04/24/converting-your- > > >> wordpress-and- > > >> mediawiki-data-into-rdf-on-the-fly/ > > >> > > >> > > >> > > >> > > >> ________________________________ > > >> > > >> From: virtuoso-users-boun...@lists.sourceforge.net > > >> [mailto:virtuoso-users-boun...@lists.sourceforge.net] On > Behalf Of > > >> Alex Black > > >> Sent: Thursday, April 26, 2007 4:47 PM > > >> To: virtuoso-users@lists.sourceforge.net > > >> Subject: [Virtuoso-users] RDF Views: Defining quad > storage, joins? > > >> > > >> > > >> Hi, > > >> > > >> I'm just getting started with Virtuoso, attempting to > > create an RDF > > >> view for a relational database I have in SQL Server. > > >> > > >> I got a basic view setup, where columns map to > predicates etc, but > > >> now I want to setup a view that transforms the data into the RDF > > >> graph I want. > > >> > > >> I have two tables I am trying to join: > > >> > > >> 1. Concept > > >> PK_ConceptID > > >> 2. Label > > >> PK_LabelID, > > >> FK_ConceptID, > > >> Name > > >> > > >> I'd like to get triples like: > > >> > > >> <ConceptIRI> skos:altLabel Name > > >> > > >> How would I do this? I've tried to do it like this, but I get an > > >> error saying "At least one field of a quad map should be > > map value, > > >> not a constant" > > >> > > >> sparql > > >> > > >> prefix qs: <http://adb/quad_storage/> prefix skos: > > >> <http://www.w3.org/2004/02/skos/core#> > > >> > > >> create quad storage qs:default > > >> from Source.Source.vwConcept as concept > > >> from Source.Source.vwLabel as label where > > (^{label.}^.FK_ConceptID > > >> = ^{concept.}^.PK_ConceptID) { > > >> create qs:concepts as > > >> graph <http://adb/source/data/concepts#> > > >> { > > >> conceptSchema:iri_concept(concept.PK_ConceptID) > > >> a conceptSchema:Concept; > > >> skos:altLabel label.Name. > > >> } . > > >> > > >> } . > > >> ; > > >> > > >> Thanks! > > >> > > >> - Alex > > >> > > >> > > >> > > > > > > > > > ---------------------------------------------------------------------- > > > --- This SF.net email is sponsored by DB2 Express Download > > DB2 Express > > > C - the FREE version of DB2 express and take control of > > your XML. No > > > limits. Just data. Click to get it now. > > > http://sourceforge.net/powerbar/db2/ > > > _______________________________________________ > > > Virtuoso-users mailing list > > > Virtuoso-users@lists.sourceforge.net > > > https://lists.sourceforge.net/lists/listinfo/virtuoso-users > > > > > > Best Regards, > > Hugh Williams > > VP Product Development > > OpenLink Software > > Tel: +44 (0) 8681 7701 > > Web: http://www.openlinksw.com > > Universal Data Access & Data Integration Technology Providers > > > > > > > > -------------------------------------------------------------- > ----------- > This SF.net email is sponsored by DB2 Express Download DB2 > Express C - the FREE version of DB2 express and take control > of your XML. No limits. Just data. Click to get it now. > http://sourceforge.net/powerbar/db2/ > _______________________________________________ > Virtuoso-users mailing list > Virtuoso-users@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/virtuoso-users >
