Larry, IMO mixing RDF/XML with JSON doesn't make sense. Why not keep it RDF/XML? Like this (not tested):
<x:xmpmeta xmlns:x="adobe:ns:meta/"> <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";> <rdf:Description rdf:about="" xmlns:pdf="http://ns.adobe.com/pdf/1.3/"; xmlns:lod="http://5stardata.info/ns/linked-data"; xmlns:xmp="http://ns.adobe.com/xap/1.0/"; xmlns:dc="http://purl.org/dc/elements/1.1/"; xmlns:owl="http://www.w3.org/2002/07/owl#sameAs"; xmlns:meteo="http://purl.org/ns/meteo#"; xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/";> <pdf:Producer>Acrobat editing after Mac OS X 10.5.8 Quartz PDFContext</pdf:Producer> <xmp:CreateDate>2012-01-22T15:00:00-08:00</xmp:CreateDate> <dc:title>Temperature forecast for Galway, Ireland</dc:title> <dc:creator>http://sw-app.org/mic.xhtml#i</dc:creator> <xmpMM:DocumentID>uuid:80f41db9-628f-48aa-9b7a-b7f5c2629304</xmpMM:DocumentID> </rdf:Description> <rdf:Description rdf:about="#Galway"> <rdf:type rdf:resource="http://purl.org/ns/meteo#Place"/> <owl:sameAs rdf:resource="http://dbpedia.org/resource/Galway"/> <meteo:forecast rdf:resource="#forecast20101113"/> <meteo:forecast rdf:resource="#forecast20101114"/> <meteo:forecast rdf:resource="#forecast20101115"/> </rdf:Description> <rdf:Description rdf:about="#temp"> <rdf:seeAlso rdf:resource="http://dbpedia.org/resource/Temperature"/> <owl:sameAs rdf:resource="http://dbpedia.org/resource/Celsius"/> </rdf:Description> <rdf:Description rdf:about="#forecast20101113"> <meteo:predicted rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime";>2010-11-13T00:00:00Z</meteo:predicted> <meteo:celsius rdf:datatype="http://www.w3.org/2001/XMLSchema#double";>2</meteo:celsius> </rdf:Description> <rdf:Description rdf:about="#forecast20101114"> <meteo:predicted rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime";>2010-11-14T00:00:00Z</meteo:predicted> <meteo:celsius rdf:datatype="http://www.w3.org/2001/XMLSchema#double";>4</meteo:celsius> </rdf:Description> <rdf:Description rdf:about="#forecast20101115"> <meteo:predicted rdf:datatype="http://www.w3.org/2001/XMLSchema#dateTime";>2010-11-15T00:00:00Z</meteo:predicted> <meteo:celsius rdf:datatype="http://www.w3.org/2001/XMLSchema#double";>7</meteo:celsius> </rdf:Description> </rdf:RDF> </x:xmpmeta> Martynas On Tue, Jan 20, 2015 at 2:04 AM, Larry Masinter <masin...@adobe.com> wrote: > I made a little example PDF based on the example at http://5stardata.info/ > where document metadata is in the XMP itself, but document data is just a > string value (this example uses JSON). > > The same data from http://5stardata.info/gtd-5.html should be available in > the attached, starting from http://5stardata.info/gtd-1.pdf. > > I thought a concrete example would help > > > <x:xmpmeta xmlns:x="adobe:ns:meta/"> > <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#";> > <rdf:Description rdf:about="" > xmlns:pdf="http://ns.adobe.com/pdf/1.3/"; > xmlns:lod="http://5stardata.info/ns/linked-data"; > xmlns:xmp="http://ns.adobe.com/xap/1.0/"; > xmlns:dc="http://purl.org/dc/elements/1.1/"; > xmlns:xmpMM="http://ns.adobe.com/xap/1.0/mm/";> > <pdf:Producer>Acrobat editing after Mac OS X 10.5.8 Quartz > PDFContext</pdf:Producer> > <lod:JSON-Data> > {"#Galway":{"rdf:type":["http://purl.org/ns/meteo#Place"],"http://www.w3.org/2002/07/owl#sameAs": > > ["http://dbpedia.org/resource/Galway"],"http://purl.org/ns/meteo#forecast":["#forecast20101113","#forecast20101114","#forecast20101115"]},"#temp":{"http://www.w3.org/2000/01/rdf-schema#seeAlso":["http://dbpedia.org/resource/Temperature"],"http://www.w3.org/2002/07/owl#sameAs":["http://dbpedia.org/resource/Celsius"]},"#forecast20101113":{"http://purl.org/ns/meteo#predicted":["2010-11-13T00:00:00Z"],"http://purl.org/ns/meteo#temperature":["#temp20101113"]},"#temp20101113":{"http://purl.org/ns/meteo#celsius":["2"]},"#forecast20101114":{"http://purl.org/ns/meteo#predicted":["2010-11-14T00:00:00Z"],"http://purl.org/ns/meteo#temperature":["#temp20101114"]},"#temp20101114":{"http://purl.org/ns/meteo#celsius":["4"]},"#forecast20101115":{"http://purl.org/ns/meteo#predicted":["2010-11-15T00:00:00Z"],"http://purl.org/ns/meteo#temperature":["#temp20101115"]}, > "#temp20101115":{"http://purl.org/ns/meteo#celsius":["7"]}}</lod:JSON-Data> > <xmp:CreateDate>2012-01-22T15:00:00-08:00</xmp:CreateDate> > <dc:title>Temperature forecast for Galway, Ireland</dc:title> > <dc:creator>http://sw-app.org/mic.xhtml#i</dc:creator> > > <xmpMM:DocumentID>uuid:80f41db9-628f-48aa-9b7a-b7f5c2629304</xmpMM:DocumentID> > </rdf:Description> > </rdf:RDF> > </x:xmpmeta> >
