Its a prototype right now and in a nascent stage. I havent made it open. Essentially, its storing triples in Hbase so its just the data model thats solving some problems that I was working on. I dont have a SPARQL engine built over it yet.
Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz On Thu, Jul 2, 2009 at 11:13 AM, Brian MacKay <[email protected]>wrote: > Hi Amandeep, > > Is your custom RDF store over Hbase open source? If so, where is it > hosted? > > Thanks, > Brian > > -----Original Message----- > From: Amandeep Khurana [mailto:[email protected]] > Sent: Thursday, July 02, 2009 2:08 PM > To: [email protected] > Subject: Re: RDF Data Store on Hadoop > > Hi > > I have been working on this as well. There are a couple of more threads > on > this and the Hbase mailing list about this. One is pretty recent - its > about > graph algorithms using map reduce. > > I built a custom RDF store over Hbase. Its not really an RDF store by > all > means, but the data model is something that can be extended over to > support > all specifications of RDF. > > The Heart project hasnt been active for some time now. If we have people > interested, we can take it on and work on creating an RDF store over > Hbase > alongwith graph algorithms using MR. > > Amandeep > > > Amandeep Khurana > Computer Science Graduate Student > University of California, Santa Cruz > > > On Thu, Jul 2, 2009 at 5:32 AM, Alex McLintock > <[email protected]>wrote: > > > I'm looking to build up data for an RDF Data store using Hadoop. > > I could just generate lots of RDF XML files - or a big one - and feed > > it into Apache Jena.. > > However it seems to me that it would be best if I used a hadoop aware > > distributed triplestore so that my data stayed on the data nodes. > > > > I see that there is the Heart project ( http://rdf-proj.blogspot.com/ > > ) but it doesnt seem very active. > > > > Does anyone have any recommendations for a usable RDF data store which > > I can use with Hadoop? Or should I consider this outside of the Hadoop > > world and just put it on one machine? Is Heart "nearly there" and just > > needs a helping hand? > > > > I am tempted to bypass the RDF triplestore and role my own using hBase > > but I dont want to re-invent the wheel. > > > > Cheers > > > > Alex > > > _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ > > The information transmitted is intended only for the person or entity to > which it is addressed and may contain confidential and/or privileged > material. Any review, retransmission, dissemination or other use of, or > taking of any action in reliance upon, this information by persons or > entities other than the intended recipient is prohibited. If you received > this message in error, please contact the sender and delete the material > from any computer. > > >
