Hi Martynas: As said:
> The basic RDF/XML output from Jena is not what we need. We just need a >better, more regular, RDF/XML-ABBREV such as the rapper output. Cheers, Tony On 17/11/2014 14:35, "Martynas Jusevičius" <[email protected]> wrote: >Tony, > >have you tried dropping the -ABBREV and simply using RDF/XML? > > >Martynas >graphityhq.com > >On Mon, Nov 17, 2014 at 3:26 PM, Hammond, Tony ><[email protected]> wrote: >> Hi: >> >> I've got another couple questions about RDF/XML-ABBREV format. >> >> When using the RDF/XML-ABBREV serializer to output a pretty-printed >>graph on our subject taxonomy but we get object nodes expanded inline on >>their first mention. See example output below [1] where I've shown only >>the URI references for convenience and suppressed the literal properties. >> >> This makes for a very uneven XML. (I know that the RDF is fine though. >>But we want some regular XML.) >> >> Also, and much more importantly, if we add in skos:narrower links this >>then creates some kind of pathological behaviour and the serialization >>then takes some **90 mins** or more instead of seconds or less. (The >>graph size is about 90,000 triples with ~3,000 subjects.) >> >> We wanted to know if there was any way to suppress node expansion in >>the Jena RDF/XML-ABBREV output as we'd really like to use Java for >>portability in our build workflows. >> >> We tried various "blockRules" property combinations to control the >>RDF/XML output but to no avail - see Scala code here. >> >> == >> val out = new FileOutputStream(file) >> try { >> // model.write(out, format ) >> >> val writer = model.getWriter(format); >> if (format.equals("RDF/XML-ABBREV")) { >> writer.setProperty("blockRules", "propertyAttr"); >> } >> writer.write(model, out, null); >> } finally { >> out.close() >> } >> == >> >> However, if we output the same graph in TURTLE and then use an external >>tool - the Redland rapper utility which also supports RDF/XML-ABBREV - >>we get the very regular (and decidedly pretty) flat RDF/XML output as >>shown in [2]. >> >> Is there any way we can control this expansion better in Jena or do we >>need to use an external tool like rapper? >> >> The basic RDF/XML output from Jena is not what we need. We just need a >>better, more regular, RDF/XML-ABBREV such as the rapper output. >> >> Thanks, >> >> Tony >> >> [1] >> <npg:Subject rdf:about="http://ns.nature.com/subjects/periodontitis";> >> <skos:broader> >> <npg:Subject >>rdf:about="http://ns.nature.com/subjects/periodontics";> >> <skos:broader> >> <npg:Subject >>rdf:about="http://ns.nature.com/subjects/dentistry";> >> <skos:broader> >> <npg:Subject >>rdf:about="http://ns.nature.com/subjects/health-care";> >> <skos:related> >> <npg:Subject >>rdf:about="http://ns.nature.com/subjects/health-services";> >> <skos:broader >>rdf:resource="http://ns.nature.com/subjects/health-care"/> >> </npg:Subject> >> </skos:related> >> <skos:related> >> </npg:Subject> >> </skos:related> >> </npg:Subject> >> </skos:broader> >> </npg:Subject> >> </skos:broader> >> </npg:Subject> >> </skos:broader> >> <skos:broader> >> <npg:Subject >>rdf:about="http://ns.nature.com/subjects/oral-diseases";> >> <skos:broader> >> <skos:broader >>rdf:resource="http://ns.nature.com/subjects/health-sciences"/> >> </npg:Subject> >> </skos:broader> >> </npg:Subject> >> </skos:broader> >> </npg:Subject> >> >> [2] >> <npg:Subject rdf:about="http://ns.nature.com/subjects/periodontitis";> >> <skos:broader >>rdf:resource="http://ns.nature.com/subjects/oral-diseases"/> >> <skos:broader >>rdf:resource="http://ns.nature.com/subjects/periodontics"/> >> </npg:Subject> >> <npg:Subject rdf:about="http://ns.nature.com/subjects/oral-diseases";> >> ... >> </npg:Subject> >> <npg:Subject rdf:about="http://ns.nature.com/subjects/periodontics";> >> ... >> </npg:Subject> >> >> >>************************************************************************* >>******* >> DISCLAIMER: This e-mail is confidential and should not be used by >>anyone who is >> not the original intended recipient. 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