That predicate is defined in jena-arq, in o.a.j.sparql.core.assembler.DatasetAssemblerVocab. This is an example of a known issue:
https://issues.apache.org/jira/browse/JENA-1065 that I should probably try to deal with, since I filed it myself months ago. {grin} --- A. Soroka The University of Virginia Library > On Jun 30, 2016, at 10:06 PM, Chao Wang <[email protected]> wrote: > > I saw many configuration files used ja:RDFDataset, but I don’t see > ja:RDFDataset defined in > https://jena.apache.org/documentation/assembler/assembler.ttl > > <https://jena.apache.org/documentation/assembler/assembler.ttl><https://jena.apache.org/documentation/assembler/assembler.ttl>
