I understand, if you would consider open sourcing it as a rough prototype, let us know. ?
-----Original Message----- From: Amandeep Khurana [mailto:[email protected]] Sent: Thursday, July 02, 2009 2:15 PM To: [email protected] Subject: Re: RDF Data Store on Hadoop 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. > > > _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 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.
