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Elsevier announced the winners of the 2009 Semantic Web Challenge, which took place at the International Semantic Web Conference held in Washington, D.C., from October 25-29, 2009. A jury consisting of eleven leading experts from both academia and industry awarded the four best applications with cash prizes of 2750 Euro in total, sponsored by Elsevier.

The 2009 Semantic Web Challenge was organized by Peter Mika of Yahoo! Research and Chris Bizer of Freie Universität Berlin and consists of two categories: “Open Track” and “Billion Triples Track.” Open Track requires that the applications utilize the semantics (meaning) of data and that they have been designed to operate in an open web environment, whilst the Billion Triples Track focuses on dealing with very large data sets of low quality commonly found on the web.

The Billion Triples Track was won by “Scalable Reduction” by Gregory Todd Williams, Jesse Weaver, Medha Atre, and James A. Hendler (Rensselaer Polytechnic Institute, USA). The entry showed how massive parallelization can be applied to quickly clean and filter large amounts of RDF data.

The winners of the 2009 Open Track were Chintan Patel, Sharib Khan, and Karthik Gomadam from Applied Informatics, Inc for “TrialX” (http://trialx.com). TrialX enables finding new treatments by intelligently matching patients to clinical trials using advanced medical onthologies to combine several electronic health records with user generated information.

The second prize of the 2009 Open Track was awarded to Andreas Harth from the Institute of Applied Informatics and Formal Description Methods, Universität Karlsruhe, Germany for “VisiNav” (http://visinav.deri.org/). The third prize in the 2009 open Track was awarded to Giovanni Tummarello, Richard Cyganiak, Michele Catasta, Szymon Danielczyk, and Stefan Decker from the Digital Enterprise Research Institute, Ireland for the development of “Sig.ma” (http://sig.ma/).

“This year’s winner of the Open Track is an application that we can hold up as an example to those outside of our community. In comparison, the Billion Triples Track have attracted less submissions this year, but it has been noticeable that all submissions have dealt with increasing amounts of information. Altogether we see clear progress toward implementing the vision of the Semantic Web.” said Chris Bizer and Peter Mika, co-chairs of the Semantic Web Challenge.

Open Track
1st place:
TrialX
Chintan Patel, Sharib Khan, and Karthik Gomadam from Applied Informatics, Inc
http://www.cs.vu.nl/~pmika/swc/documents/TrialX-healthx-iswc09-challenge.pdf

2nd place:
VisiNav
Andreas Harth from the Institute of Applied Informatics and Formal Description Methods, Universität Karlsruhe, Germany
http://www.cs.vu.nl/~pmika/swc/documents/VisiNav-paper.pdf

3rd place:
Sig.ma
Giovanni Tummarello, Richard Cyganiak, Michele Catasta, Szymon Danielczyk, and Stefan Decker from the Digital Enterprise Research Institute, Ireland
http://www.cs.vu.nl/~pmika/swc/documents/Sig.ma:%20Live%20views%20on%20the%20web%20of%20data-sigma.pdf

Billion Triples Track:
Winner:
Scalable Reduction
Gregory Todd Williams, Jesse Weaver, Medha Atre, and James A. Hendler from the Rensselaer Polytechnic Institute, USA
http://www.cs.vu.nl/~pmika/swc/documents/Scalable%20Reduction%20of%20Large%20Datasets%20to%20Interesting%20Subsets-btc2009.pdf

More information on the 2009 Semantic Web Challenge Awards, as well as a demo and links to all the competing applications can be found on http://challenge.semanticweb.org

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