Re: Accessing RDF triples using Flink

2016-04-07 Thread Flavio Pompermaier
Hi Ritesh, Jena could store triples in NQuadsInputFormat that is an HadoopInputFormat so that you can read data in effiient way with Flink. Unfortunately I rembember that I had some problem usign it so I just export my Jena model as NQuads so then I can parse it efficiently with Flink as a text fil

Re: Accessing RDF triples using Flink

2016-04-06 Thread Ritesh Kumar Singh
Hi Flavio, 1. How do you access your rdf dataset via flink? Are you reading it as a normal input file and splitting the records or you have some wrappers in place to convert the rdf data into triples? Can you please share some code samples if possible? 2. I am using Jena TDB command

Re: Accessing RDF triples using Flink

2016-04-06 Thread Flavio Pompermaier
Ho Ritesh, I have sone experience with Rdf and Flink. What do you mean for accessing a Jena model? How do you create it? >From my experience reading triples from jena models is evil because it has some problems with garbage collection. On 6 Apr 2016 00:51, "Ritesh Kumar Singh" wrote: > Hi, > > I

Accessing RDF triples using Flink

2016-04-05 Thread Ritesh Kumar Singh
Hi, I need some suggestions regarding accessing RDF triples from flink. I'm trying to integrate flink in a pipeline where the input for flink comes from SPARQL query on a Jena model. And after modification of triples using flink, I will be performing SPARQL update using Jena to save my changes.