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From Apache Wiki <wikidi...@apache.org>
Subject [Hadoop Wiki] Update of "PoweredBy" by AlexanderSchaetzle
Date Wed, 16 Feb 2011 10:45:59 GMT
Dear Wiki user,

You have subscribed to a wiki page or wiki category on "Hadoop Wiki" for change notification.

The "PoweredBy" page has been changed by AlexanderSchaetzle.
http://wiki.apache.org/hadoop/PoweredBy?action=diff&rev1=253&rev2=254

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    . We currently run one medium-sized Hadoop cluster (1.6PB) to store and serve up physics
data for the computing portion of the Compact Muon Solenoid (CMS) experiment. This requires
a filesystem which can download data at multiple Gbps and process data at an even higher rate
locally. Additionally, several of our students are involved in research projects on Hadoop.
  
   * [[http://dbis.informatik.uni-freiburg.de/index.php?project=DiPoS|University of Freiburg
- Databases and Information Systems]]
-   * 10 nodes cluster (Dell PowerEdge R200 with Xeon Dual Core 3.16GHz, 4GB RAM, 3TB/node
storage).
+   . 10 nodes cluster (Dell PowerEdge R200 with Xeon Dual Core 3.16GHz, 4GB RAM, 3TB/node
storage).
    . Our goal is to develop techniques for the Semantic Web that take advantage of MapReduce
(Hadoop) and its scaling-behavior to keep up with the growing proliferation of semantic data.
    * [[http://dbis.informatik.uni-freiburg.de/?project=DiPoS/RDFPath.html|RDFPath]] is an
expressive RDF path language for querying large RDF graphs with MapReduce.
    * [[http://dbis.informatik.uni-freiburg.de/?project=DiPoS/PigSPARQL.html|PigSPARQL]] is
a translation from SPARQL to Pig Latin allowing to execute SPARQL queries on large RDF graphs
with MapReduce.

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