Hi Marco: Thanks for the response. I am currently using TDB but the problem is as I said my data is around 17G and in Trig format. I never succeed.
I cannot use the tdb2 as the file format is Trig. Does that make sense ? On Wed, Jul 31, 2013 at 3:41 AM, Marco Neumann <[email protected]>wrote: > try to use the tdb or tdb2 loader instead > > > On Wed, Jul 31, 2013 at 5:39 AM, Adeeb Noor <[email protected]> > wrote: > > > Hi Dave: > > > > Thanks for the response. Here is my code: > > > > public class testTDB { > > > > public static void main(String[] args) { > > > > String directory = "./tdb"; > > > > Dataset dataset = TDBFactory.createDataset(directory); > > > > Model tdb = dataset.getDefaultModel(); > > > > String source = "/Users/adeebnoor/Downloads/Ontologies/umls.trig"; > > > > FileManager.get().readModel(tdb, source, "TriG" ); > > > > tdb.close(); > > > > dataset.close(); > > > > } > > > > > > I got this error: > > > > Exception in thread "main" > com.hp.hpl.jena.shared.NoReaderForLangException: > > TriG > > > > at com.hp.hpl.jena.rdf.model.impl.RDFReaderFImpl.getReader( > > RDFReaderFImpl.java:100) > > > > at com.hp.hpl.jena.rdf.model.impl.ModelCom.read(ModelCom.java:276) > > > > at com.hp.hpl.jena.util.FileManager.readModelWorker(FileManager.java:403) > > > > at com.hp.hpl.jena.util.FileManager.readModel(FileManager.java:342) > > > > at ddid.testTDB.main(testTDB.java:19) > > > > > > Then I remove the Trig string pramater from the Filemangager method: > > FileManager.get().readModel(tdb, source ); > > > > and the program seems to be running and taking the whole memory but I got > > this warning message: > > > > 03:37:31 WARN riot :: Only triples or default graph > > data expected : named graph data ignored > > > > After waiting the program to finish I check it the TDB and there was > > nothing on it. > > > > what do you think. > > > > Thanks > > > > > > > > > > > > > > > > On Wed, Jul 31, 2013 at 2:17 AM, Dave Reynolds < > [email protected] > > >wrote: > > > > > On 31/07/13 00:09, Adeeb Noor wrote: > > > > > >> Hi All: > > >> > > >> I have a trig file (rdf) that is sized 17GB, I was wondering if Jena > has > > >> triple store that can load this data. I know that Jena supports trig > > >> format > > >> but I am not sure about the size-wise. > > >> > > >> If not, can you point me out to a free triple store that is compatible > > >> with > > >> Jene as my project structure is based all on Jena. > > >> > > > > > > I would have thought you could load that in to TDB just fine. I would > > > guess that to be around 100m triples. > > > > > > Dave > > > > > > > > > > > > > > > -- > > Adeeb Noor > > Ph.D. Candidate > > Dept of Computer Science > > University of Colorado at Boulder > > Cell: 571-484-3303 > > Email: [email protected] > > > > > > -- > > > --- > Marco Neumann > KONA > -- Adeeb Noor Ph.D. Candidate Dept of Computer Science University of Colorado at Boulder Cell: 571-484-3303 Email: [email protected]
