Link roundup before rebooting

The time has come for an OS upgrade to OSX 10.5.6, and as Firefox 3.1 beta 2 has kept up very well for a long time, I now have a huge number of tabs open. So here are some worth reporting on here, the rest are on my delicious feed.

I started looking into cloud computing and the semantic web and found a few really nice links:

  • Virtuoso cloud edition for Amazon's EC2 from OpenLink Software the company powering DBPedia and many of the Linked Data Cloud servers.
  • a new highly scalable java based semantic web database named Big Data which was presented at O'Reilly conference earlier this year (PDF of presentation). From their web site:

    Bigdata(R) is an open-source scale-out storage and computing fabric supporting optional transactions, very high concurrency, and very high aggregate IO rates. Bigdata was designed from the ground up as a distributed database architecture optimized for very high aggregate IO rates running over clusters of 100s to 1000s of machines, but can also run in a single-server mode. Bigdata offers a distributed file system, similar to the Google File System but also useful for workflow queues, a data extensible sparse row store, similar to Googles widely recognized bigtable project, and map/reduce processing for parallelizing data intensive workflows over a cluster.

    Bigdata(R) comes packaged with a very high-performance RDF store supporting RDF(S) and OWL Lite inference.[...]The Bigdata RDF Store was designed specifically to meet requirements for very large scale semantic alignment and federation.

    Looking around in their javadoc I found that they use the Sesame API

  • article by RedMonk on 15 ways to tell it's not cloud computing
  • The semantic grid project probably has some very good resources on cloud computing, so I should look there next.

I am sure there is more on that subject of cloud computing but that's what I have for now.

On social networks

For a bit of stimulation go look at Microsoft's rdf api.

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