I got a tip that rapper should be able to convert N-Quads to N-Triples. http://librdf.org/raptor/rapper.html
Would be nice if Jena had this feature too. On Sun, Nov 11, 2018 at 11:11 AM Laura Morales <laure...@mail.com> wrote: > > I think the only option is to use cli tools such as sed to strip the graph > name from nquads, so basically you convert to nt then you strip out graph > names with sed. I also had the same problem and asked for some kind of > --ignore-graph flag in riot and other jena tools, but IIRC the answer was to > use sed or some other cli tools. It's rather cumbersome but that's the way it > is, unless somebody implements it. > > > > > Sent: Sunday, November 11, 2018 at 11:00 AM > From: "Martynas Jusevičius" <marty...@atomgraph.com> > To: jena-users-ml <users@jena.apache.org> > Subject: Re: Converting TriX to N-Quads with riot > I'm on Jena 3.9.0 now. > > While we're at it, can you explain how to convert TriX, or at least > N-Quads, to N-Triples by stripping named graphs? I tried > > riot --nocheck --out=nt KORT10.1.nq > riot --nocheck --out=nt KORT10.1.trix > > Neither produced any output. > > The reason is that my end goal is HDT, which currently does not support > graphs. > On Sat, Nov 10, 2018 at 6:22 PM Andy Seaborne <a...@apache.org> wrote: > > > > > > > > On 10/11/2018 17:15, Andy Seaborne wrote: > > > Works for me. > > > > > > $ riot --syntax=TriX t.xml > > > <http://example.org/s> <http://example.org/p[http://example.org/p]> > > > <http://example.org/o[http://example.org/o]> . > > > > > > v3.9.0 > > > > > > (this is reminiscent of an old bug) > > > > JENA-1535 > > Bug in 3.4 to 3.7 > > Fixed in 3.8.0 > > > > > > > > > > > > Andy > > > > > > t.xml: > > > ---------------------------- > > > <TriX> > > > <graph> > > > <triple> > > > <uri>http://example.org/s[http://example.org/s]</uri> > > > <uri>http://example.org/p[http://example.org/p]</uri> > > > <uri>http://example.org/o[http://example.org/o]</uri> > > > </triple> > > > </graph> > > > </TriX> > > > > > > > > > On 10/11/2018 15:16, ajs6f wrote: > > >> Please file a ticket for this, with a file that shows the problem and > > >> a complete invocation that fails. > > >> > > >> ajs6f > > >> > > >>> On Nov 10, 2018, at 10:04 AM, Martynas Jusevičius > > >>> <marty...@atomgraph.com> wrote: > > >>> > > >>> Yes, .as I wrote, without --syntax and with .trix extension it works. > > >>> On Sat, Nov 10, 2018 at 3:51 PM ajs6f <aj...@apache.org> wrote: > > >>>> > > >>>> Just as an experiment, can you verify that changing the extensions > > >>>> to .trix and removing the --syntax flag works? > > >>>> > > >>>> ajs6f > > >>>> > > >>>>> On Nov 10, 2018, at 9:49 AM, Martynas Jusevičius > > >>>>> <marty...@atomgraph.com> wrote: > > >>>>> > > >>>>> There are some issues with non-canonical XMLLiterals, but in principle > > >>>>> the files parse. > > >>>>> > > >>>>> I think --syntax TriX doesn't work though, as it throws RDF/XML > > >>>>> related errors. > > >>>>> On Sat, Nov 10, 2018 at 3:32 PM Laura Morales <laure...@mail.com> > > >>>>> wrote: > > >>>>>> > > >>>>>> It should yes. Maybe you have some errors in your file? Did you > > >>>>>> try riot --validate yourfile.xml? Maybe you missed the > > >>>>>> xmlns="http://www.w3.org/2004/03/trix/trix-1/";? > > >>>>>> > > >>>>>> > > >>>>>> > > >>>>>> Sent: Saturday, November 10, 2018 at 3:19 PM > > >>>>>> From: "Martynas Jusevičius" <marty...@atomgraph.com> > > >>>>>> To: jena-users-ml <users@jena.apache.org> > > >>>>>> Subject: Re: Converting TriX to N-Quads with riot > > >>>>>> Laura's example seems to work, but I thought --syntax should override > > >>>>>> the file extension? > > >>>>>> On Sat, Nov 10, 2018 at 3:17 PM ajs6f <aj...@apache.org> wrote: > > >>>>>>> > > >>>>>>> I'd have to go check the code, but Martynas, possibly the file > > >>>>>>> extensions are tripping you up? > > >>>>>>> > > >>>>>>> ajs6f > > >>>>>>> > > >>>>>>>> On Nov 10, 2018, at 9:10 AM, Laura Morales <laure...@mail.com> > > >>>>>>>> wrote: > > >>>>>>>> > > >>>>>>>> Using the TriX file here > > >>>>>>>> http://www.hpl.hp.com/techreports/2004/HPL-2004-56.pdf[http://www.hpl.hp.com/techreports/2004/HPL-2004-56.pdf] > > >>>>>>>> on page 3 > > >>>>>>>> as an example it works for me: > > >>>>>>>> > > >>>>>>>> 1. copy content to a file example.trix > > >>>>>>>> 2. riot --validate example.trix > > >>>>>>>> 3. riot --output nq example.trix > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> > > >>>>>>>> > > >>>>>>>>> Sent: Saturday, November 10, 2018 at 2:31 PM > > >>>>>>>>> From: "Martynas Jusevičius" <marty...@atomgraph.com> > > >>>>>>>>> To: jena-users-ml <users@jena.apache.org> > > >>>>>>>>> Subject: Converting TriX to N-Quads with riot > > >>>>>>>>> > > >>>>>>>>> Hi, > > >>>>>>>>> > > >>>>>>>>> I have some large TriX files that I want to convert to N-Quads > > >>>>>>>>> from > > >>>>>>>>> command line (and later on to RDF HDT). > > >>>>>>>>> > > >>>>>>>>> The files validate against the TriX XML schema, so I assume > > >>>>>>>>> they're good. > > >>>>>>>>> I couldn't find a standalone trix script in the /bin folder, so > > >>>>>>>>> I tried > > >>>>>>>>> > > >>>>>>>>> riot --syntax=TriX KORT10.1.xml > > >>>>>>>>> > > >>>>>>>>> and I got: > > >>>>>>>>> > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 15, col: 99] {E202} > > >>>>>>>>> Expecting XML start or end element(s). String data > > >>>>>>>>> "https://localhost:4443/atomgraph/city-graph/graphs/616337ee-f0f9-455f-a838-037fa875dbdd"; > > >>>>>>>>> > > >>>>>>>>> not allowed. Maybe there should be an rdf:parseType='Literal' for > > >>>>>>>>> embedding mixed XML content in RDF. Maybe a striping error. > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 16, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 21, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 26, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 31, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 36, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 WARN riot :: [line: 39, col: 77] {W102} > > >>>>>>>>> unqualified use of rdf:datatype is deprecated. > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 41, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 46, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 51, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 56, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 61, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 ERROR riot :: [line: 66, col: 15] {E201} > > >>>>>>>>> Multiple children of property element > > >>>>>>>>> 13:25:02 WARN riot :: [line: 69, col: 77] {W102} > > >>>>>>>>> unqualified use of rdf:datatype is deprecated. > > >>>>>>>>> > > >>>>>>>>> which looks like riot is trying to parse the file as RDF/XML > > >>>>>>>>> instead. > > >>>>>>>>> > > >>>>>>>>> Is TriX not supported on command line? > > >>>>>>>>> > > >>>>>>>>> > > >>>>>>>>> Martynas > > >>>>>>>>> > > >>>>>>> > > >>>> > > >>
