jena

问题 As outlined:in https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/storage/sparql.py and https://github.com/WolfgangFahl/DgraphAndWeaviateTest/blob/master/tests/testSPARQL.py I tried to allow for a "round trip" operation between python list of dicts and Jena/SPARQL based storage. The approach performs very well for my usecase and after trying it out for a while i get into more details that need to be addressed. The stackoverflow question listOfDict to RDF conversion in python

问题 I was using this config and it is working @prefix : <#> . @prefix fuseki: <http://jena.apache.org/fuseki#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix ja: <http://jena.hpl.hp.com/2005/11/Assembler#> . @prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> . [] rdf:type fuseki:Server ; fuseki:services ( <#serviceTDBwithReasoner> # <#serviceInMemoryWithReasoner> ) . # TDB tdb:DatasetTDB rdfs:subClassOf ja:RDFDataset .

问题 I was using this config and it is working @prefix : <#> . @prefix fuseki: <http://jena.apache.org/fuseki#> . @prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> . @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . @prefix ja: <http://jena.hpl.hp.com/2005/11/Assembler#> . @prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> . [] rdf:type fuseki:Server ; fuseki:services ( <#serviceTDBwithReasoner> # <#serviceInMemoryWithReasoner> ) . # TDB tdb:DatasetTDB rdfs:subClassOf ja:RDFDataset .

问题 I'm trying to convert a ResultSet to a Model in Apache Jena 3.0. Previously I used the ResultSetFormatter.toModel function, but this seems to have been removed. What's the best way currently to get a Model (for serialization to JSON-LD and RDF/XML) of the ResultSet? 回答1: RDFOutput.toModel ResultSetFormatter operations were deprecated in jena 2.13.0 with placeholders left behind and javadoc referring to RDFOutput . 来源： https://stackoverflow.com/questions/32157314/convert-a-jena-resultset-to

来源： https://stackoverflow.com/questions/63661603/how-to-clone-a-jena-ontmodel-to-another-with-a-different-modelspec

来源： https://stackoverflow.com/questions/63661603/how-to-clone-a-jena-ontmodel-to-another-with-a-different-modelspec

来源： https://stackoverflow.com/questions/27645110/method-listindividual-takes-more-than-15-mins-with-dbpedia-2014-owl-2mb-siz

来源： https://stackoverflow.com/questions/27645110/method-listindividual-takes-more-than-15-mins-with-dbpedia-2014-owl-2mb-siz

来源： https://stackoverflow.com/questions/63788703/query-works-on-wikidata-query-service-but-not-on-apache-jena-copy

来源： https://stackoverflow.com/questions/63788703/query-works-on-wikidata-query-service-but-not-on-apache-jena-copy