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Does anyone know any good RDF store based on Hadoop ? |
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This might be related in your context:
I guess, that SHARD (HDFS based) is a hot potato. |
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I think @castagna may have made some progress since posting http://www.semanticoverflow.com/questions/716/storing-rdf-data-into-hbase See: http://mail-archives.apache.org/mod_mbox/incubator-jena-users/201102.mbox/browser I'm curious why you are interested in HBase? I speculate that range queries in a map-reduce implementation isn't going to perform very well. I suspect other more mature stores that implement their own federation, such as Allegrograph and Virtuoso, may fair better if performance alone is your concern. |
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Incomplete, unsupported and experimental... but it's very close to a first functioning prototype which would allow us to run some tests: https://github.com/castagna/hbase-rdf. Todo:
Paolo |
