昨天,我试图让Pellet和/或Openllet在我的Fuseki上运行。
我正在通过网络接口处理请求。无缘无故的工作罚款。
这是我的配置:
@prefix : <http://base/#> .
@prefix tdb: <http://jena.hpl.hp.com/2008/tdb#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix ja: <http://jena.hpl.hp.com/2005/11/Assembler#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix fuseki: <http://jena.apache.org/fuseki#> .
<http://jena.apache.org/2016/tdb#DatasetTDB>
rdfs:subClassOf ja:RDFDataset .
ja:DatasetTxnMem rdfs:subClassOf ja:RDFDataset .
tdb:DatasetTDB rdfs:subClassOf ja:RDFDataset .
tdb:GraphTDB rdfs:subClassOf ja:Model .
<http://jena.apache.org/2016/tdb#GraphTDB2>
rdfs:subClassOf ja:Model .
ja:MemoryDataset rdfs:subClassOf ja:RDFDataset .
ja:RDFDatasetZero rdfs:subClassOf ja:RDFDataset .
<http://jena.apache.org/text#TextDataset>
rdfs:subClassOf ja:RDFDataset .
:service_tdb_all a fuseki:Service ;
rdfs:label "TDB FOOT" ;
fuseki:dataset :tdb_dataset_readwrite ;
fuseki:name "FOOT" ;
fuseki:serviceQuery "query" , "" , "sparql" ;
fuseki:serviceReadGraphStore "get" ;
fuseki:serviceReadQuads "" ;
fuseki:serviceReadWriteGraphStore
"data" ;
fuseki:serviceReadWriteQuads "" ;
fuseki:serviceUpdate "" , "update" ;
fuseki:serviceUpload "upload" .
:tdb_dataset_readwrite
a ja:RDFDataset;
ja:defaultGraph <#model_inf> ;
tdb:location "C:\\etc\\fuseki/databases/FOOT" .
<#model_inf> a ja:InfModel ;
ja:baseModel <#graph> ;
ja:reasoner [
ja:reasonerClass "openllet.jena.PelletReasonerFactory";
] .
<#graph> rdf:type tdb:GraphTDB ;
tdb:dataset :tdb_dataset_readwrite .错误- Tomcat目录中的日志:
ERROR Exception in initialization: the class 'openllet.jena.PelletReasonerFactory' required by the object 7c374328cddba9fa8091dcebd77a7598 [ja:reasoner of file:///C:/etc/fuseki/configuration/FOOT.ttl#model_inf] could not be loaded我一直在到处复制Openllet Files(openllet 2.6.5.jar和其他东西),但没有机会。不管怎样,这是正确的行动吗?!
在我的Apache项目(以及)中,我让Openllet运行,它给我带来了正确的结果。
我有几条规则都是这类的
[ rdf:type owl:Class ;
owl:unionOf ( [ owl:intersectionOf ( [ rdf:type owl:Restriction ;
owl:onProperty food:hasIngredient ;
owl:someValuesFrom food:Dairy
]
[ rdf:type owl:Restriction ;
owl:onProperty food:hasIngredient ;
owl:someValuesFrom [ rdf:type owl:Restriction ;
owl:onProperty food:hasFood ;
owl:someValuesFrom food:Meat
]
]
) ;
rdf:type owl:Class
]
[ rdf:type owl:Restriction ;
owl:onProperty food:hasIngredient ;
owl:someValuesFrom [ rdf:type owl:Restriction ;
owl:onProperty food:hasFood ;
owl:someValuesFrom food:Pork
]
]
)
]
) ;
rdf:type owl:Class ;
rdfs:subClassOf [ rdf:type owl:Restriction ;
owl:onProperty food:violatesRestriction ;
owl:hasValue food:kosherReligious
]
] .“如果食谱里有猪肉,或者肉和奶制品结合在一起,那就不算犹太了。”
推理非常缓慢( 25000三重数据库上的8秒)。如果我在模型运行之前提取模型,但是模型的提取需要3分钟。
我只想让用户在合理的时间内(< 2秒)用推理者的推论查询菜谱:(
还有(更好的)吗?谁可以使用空节点(隐士不能.)?
我的问题是:
我如何才能让Fuseki与Pellet/Openllet
致以最良好的问候;)
发布于 2020-04-08 20:24:04
我没有使用Openllet,而是尝试了OWLMicroFBRuleReasoner,it worked!及其fast!
<#model_inf> a ja:InfModel ;
ja:baseModel <#graph> ;
ja:reasoner [
ja:reasonerURL <http://jena.hpl.hp.com/2003/OWLMicroFBRuleReasoner>
] .https://stackoverflow.com/questions/61077823
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