Monthly Archives: January 2013

SPARQL 1.1 Property Paths

We’ve completed an implementation of SPARQL 1.1 Property Paths to be included in an upcoming bigdata minor release. For an early preview of this feature, grab the latest code from the bigdata 1.2 maintenance branch in SVN (https://bigdata.svn.sourceforge.net/svnroot/bigdata/branches/BIGDATA_RELEASE_1_2_0). Feedback is greatly appreciated!

See https://sourceforge.net/apps/trac/bigdata/ticket/495.

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Bigdata, looking forward

We are very excited about the XDATA program. As a number of you know, we have been interested in hybrid GPU/CPU computation platforms for several years. Finally, we are getting the opportunity to explore this issue in depth with some world class researchers. GPU accelerated capabilities are being developed under a liberal open source license and will be freely available for integration into any platform. Of course, we plan to integrate this capabilities into our own platform as well!

Over the next few months, we plan to wrap up property paths, finish the HAJournalServer, and introduce an IO efficient out-of-core graph mining capability into the bigdata platform. We are also looking at hybrid column compression techniques that will improve the on-disk footprint of the database and support direct compute by GPUs against our index structures. It is going to be an exciting year.

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