arne-bdt commented on issue #2473: URL: https://github.com/apache/jena/issues/2473#issuecomment-2107665328
This could be a major issue since the parser behaves completely differently in Jena 5.0 for CIM DifferenceModels. The nested triples under 'forwardDifferences' are all treated as a single XMLLiteral in Jena 4.8 but not in Jena 5.0. To explain the background: DifferenceModels work like [rdf-patch](https://jena.apache.org/documentation/rdf-patch/). They contain a list of added triples (A/forwardDifferences) and a list of triples to delete (D/backwardDifferences). I replaced `res.write(System.out, "ttl");` with `RDFDataMgr.write(System.out, res, RDFFormat.JSONLD11_PRETTY);` and ran the code using Jena 4.8 and Jena 5.0. Jena 4.8 produces: ``` { "@id": "cim:_248c809d-1d7b-397c-830f-6928007ae6d9", "@type": "dm:DifferenceModel", "md:Model.modelingAuthoritySet": "unknown", "cim:Model.modelVersionIri": "http://ontology.adms.ru/UIP/md/2021-1";, "md:Model.version": "1715589426", "cim:Model.differenceTo": "2027-10-01T08:37:06.779475Z", "md:Model.created": "2024-05-13T08:37:06.830Z", "md:Model.profile": "http://profile/";, "md:Model.scenarioTime": "2024-05-13T08:37:06.830Z", "dm:forwardDifferences": { "@value": "\n<cim:A xmlns:cim=\"http://iec.ch/TC57/2014/CIM-schema-cim16#\"; xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"; rdf:about=\"#_individual-A-1\">\n<cim:A-2-B rdf:resource=\"#_individual-B-1\"></cim:A-2-B>\n</cim:A>\n<cim:B xmlns:cim=\"http://iec.ch/TC57/2014/CIM-schema-cim16#\"; xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"; rdf:about=\"#_individual-B-1\"></cim:B>\n<cim:D xmlns:cim=\"http://iec.ch/TC57/2014/CIM-schema-cim16#\"; xmlns:rdf=\"http://www.w3.org/1999/02/22-rdf-syntax-ns#\"; rdf:about=\"#_individual-D-1\"></cim:D>\n", "@type": "rdf:XMLLiteral" }, "cim:Model.differenceFrom": "2024-04-01T07:55:06.779475Z", "dm:reverseDifferences": { "@value": "\n", "@type": "rdf:XMLLiteral" }, "@context": { "dm": "http://iec.ch/2002/schema/CIM_difference_model#";, "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#";, "cim": "http://iec.ch/TC57/2014/CIM-schema-cim16#";, "meta": "http://iec.ch/TC57/2014/CIM-schema-cim16#";, "md": "http://iec.ch/TC57/61970-552/ModelDescription/1#"; } } ``` where Jena 5.0 produces: ``` { "@graph": [ { "@id": "cim:_individual-D-1", "@type": "cim:D" }, { "@id": "cim:_individual-A-1", "cim:A-2-B": { "@id": "cim:_individual-B-1" }, "@type": "cim:A" }, { "@id": "cim:_individual-B-1", "@type": "cim:B" }, { "@id": "cim:_248c809d-1d7b-397c-830f-6928007ae6d9", "md:Model.version": "1715589426", "cim:Model.differenceTo": "2027-10-01T08:37:06.779475Z", "@type": "dm:DifferenceModel", "md:Model.profile": "http://profile/";, "cim:Model.modelVersionIri": "http://ontology.adms.ru/UIP/md/2021-1";, "md:Model.scenarioTime": "2024-05-13T08:37:06.830Z", "dm:reverseDifferences": "\n", "cim:Model.differenceFrom": "2024-04-01T07:55:06.779475Z", "dm:forwardDifferences": { "@id": "cim:_individual-A-1" }, "md:Model.modelingAuthoritySet": "unknown", "md:Model.created": "2024-05-13T08:37:06.830Z" } ], "@context": { "dm": "http://iec.ch/2002/schema/CIM_difference_model#";, "rdf": "http://www.w3.org/1999/02/22-rdf-syntax-ns#";, "cim": "http://iec.ch/TC57/2014/CIM-schema-cim16#";, "meta": "http://iec.ch/TC57/2014/CIM-schema-cim16#";, "md": "http://iec.ch/TC57/61970-552/ModelDescription/1#"; } } ``` I have no clue about the parsers and how they should behave. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected] --------------------------------------------------------------------- To unsubscribe, e-mail: [email protected] For additional commands, e-mail: [email protected]
