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From Alessio Arleo <>
Subject Re: How to construct graph from rdf triples in Giraph
Date Fri, 18 Dec 2015 08:40:58 GMT
Hello Kaushik
To achieve your objective, I suggest you to read the Giraph I/O page at
and to study the package on the java docs.
Otherwise you could program a simple format converter so that you can use one of the existing
input formats or create a new custom Json input format (that is easier to program in Giraph)
extending TextVertexReaderFromEachLineProcessed.
Hope this helps :)

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From: Kaushik Baruah <>
Sent: Thursday, December 17, 2015 11:57 AM
Subject: How to construct graph from rdf triples in Giraph
To:  <>




My input file consists of rdf triples of the following format –   







Where Vi are vertices and EdgeRelation-i represent an edge between two vertices.   

For example –   



How to take such file as input in Giraph and construct the graph out of it.   




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