使用Jena从终端将owl文件转换为N-Triples会返回一个空文件

Question

我已经使用这个生成器http://swat.cse.lehigh.edu/projects/lubm/生成了一个owl文件

我想将文件转换为N-triple格式，并且在使用之前已经完成了

$ riot -out N-TRIPLE ~/lubm20/*.owl > lubm20.nt

由于某些原因，我现在得到一个空文件(lubm20.nt)

当我使用

$ rdfcat -out N-TRIPLE ~/lubm20/*.owl > lubm20.nt

我得到了这个错误

Exception in thread "main" org.apache.jena.riot.RiotException: <file:///root/lubm20/classes\University0_0.owl> Code: 4/UNWISE_CHARACTER in PATH: The character matches no grammar rules of URIs/IRIs. These characters are permitted in RDF URI References, XML system identifiers, and XML Schema anyURIs.
at org.apache.jena.riot.s5ystem.IRIResolver.exceptions(IRIResolver.java:371)
at org.apache.jena.riot.system.IRIResolver.resolve(IRIResolver.java:328)
at org.apache.jena.riot.system.IRIResolver$IRIResolverSync.resolve(IRIResolver.java:489)
at org.apache.jena.riot.system.IRIResolver.resolveIRI(IRIResolver.java:254)
at org.apache.jena.riot.system.IRIResolver.resolveString(IRIResolver.java:233)
at org.apache.jena.riot.SysRIOT.chooseBaseIRI(SysRIOT.java:109)
at org.apache.jena.riot.adapters.AdapterFileManager.readModelWorker(AdapterFileManager.java:286)
at org.apache.jena.util.FileManager.readModel(FileManager.java:341)
at jena.rdfcat.readInput(rdfcat.java:328)
at jena.rdfcat$ReadAction.run(rdfcat.java:473)
at jena.rdfcat.go(rdfcat.java:231)
at jena.rdfcat.main(rdfcat.java:206)

生成器将生成一个众所周知的语义web基准数据集，那么它怎么可能

UNWISE_CHARACTER % s？

编辑:对于提出的问题，我使用此行生成*.owl文件

java edu.lehigh.swat.bench.uba.Generator -onto http://swat.cse.lehigh.edu/onto/univ-bench.owl univ 20

然后将*.owl文件移动到lubm20文件夹

Answer 1

我使用了rdf2rdf而不是jena。

java -jar rdf2rdf-1.0.1-2.3.1.jar /lubmData/lubm100/*.owl lubm100.nt

像个护身符一样工作

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