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Aapo Kyrola
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<a href="http://www.cs.cmu.edu/%7Eakyrola/" rel="nofollow">http://www.cs.cmu.edu/~akyrola/</a>
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spin-off(means 'by-product') of the GraphLab
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<a href="http://www.graphlab.org" rel="nofollow">http://www.graphlab.org</a>
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Carnegie Mellon University
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run <b>large graph computations</b> on a <b>single machine</b> by using an algorithm for processing <b>the graph from disk</b>
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<i>vertex-centric</i> model
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proposed by GraphLab and Google's <b>Pregel</b>
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<strong>asynchronously</strong>
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<strong>parallel</strong>
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<strong>streaming graph updates</strong>
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<b>PSW</b>  (<b><u>P</u></b>arallel <b><u>S</u></b>liding <b><u>W</u></b>indows)
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<img src="../intervalops_1.png" />
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web-scale graph computation
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analysis of social networks
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submitted on 25 Jun 2010
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8, April 2012
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VERY LARGE DATA BASE
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ICDE
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<b>scope</b> of vertex <b>v</b>
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update function <i>f(v) </i>modifies blocks of data of scope of v and also has read-only access to other vertices.
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an <b>open-source</b> implementation of the <b>Pregel</b> graph engine built on top of <b>Hadoop</b>
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