Hi Andy, For my master's thesis, I designed and developed (with the help of Emanuele Della Valle and Alessandro Ghioni, two colleagues of mine) a distributed infrastructure, named PAGE, for storing RDF data. PAGE comes from the convergence between an RDF repository (YARS [1]) and a distributed infrastructure (Bamboo [2]). It stores quads (instead of simple RDF triples) into a peer-to-peer network in a special way that allows efficient retrieval. PAGE does not support SPARQL natively, but it supports queries formulated by means of access patterns. Since SPARQL queries are based on access patterns too, it should not difficult to extend PAGE with a layer that takes a SPARQL query as input and translates it in a set of access patterns to be passed to PAGE. You can find more information about PAGE at http://swa.cefriel.it/PAGE. At the end of this web page, you can also find a link to a paper that explain PAGE in details. Best regards, - Andrea - [1] http://sw.deri.org/2004/06/yars/ [2] http://bamboo-dht.org/ --- Andrea Turati CEFRIEL * Politecnico di Milano Via Fucini, 2 * 20133 Milano (Italy) phone: +39 02-23954-305 email: turati@cefriel.it web: http://swa.cefriel.it skype: andrea.turatiReceived on Wednesday, 2 May 2007 20:30:15 UTC
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