@electronic{academicgraph.blob.core.windows.net,
   title       = {Microsoft Academic Graph}, 
   url         = {https://academicgraph.blob.core.windows.net/graph/index.html?eulaaccept=on},
   biburl      = {https://puma.uni-kassel.de/url/e87433348f8a95093f191b6d916fe82e/hotho},
   keywords    = {MSAC WSDM challenge citation cup dataset graph},
   added-at    = {2015-09-15T11:40:16.000+0200},
   description = {Microsoft Academic Graph Releases:},
   interhash   = {e87433348f8a95093f191b6d916fe82e}, 
   intrahash   = {e87433348f8a95093f191b6d916fe82e}
}

@electronic{www.kde.cs.uni-kassel.de,
   title       = {15th Discovery Challenge | organized in conjunction with ECML PKDD 2013}, 
   url         = {http://www.kde.cs.uni-kassel.de/ws/dc13/},
   biburl      = {https://puma.uni-kassel.de/url/1bea279aaa24fd28808e03c151894c69/hotho},
   keywords    = {2013 chair challenge discovery workshop},
   added-at    = {2014-04-10T16:26:12.000+0200},
   description = {},
   interhash   = {1bea279aaa24fd28808e03c151894c69}, 
   intrahash   = {1bea279aaa24fd28808e03c151894c69}
}

@electronic{www.mainpost.de,
   title       = {Mit Nameling den perfekten Vornamen finden | MAIN-POST Nachrichten für Franken, Bayern und die Welt}, 
   url         = {http://www.mainpost.de/regional/franken/Mit-Nameling-den-perfekten-Vornamen-finden;art1727,7694020},
   biburl      = {https://puma.uni-kassel.de/url/16d87820c344022596bb1920a4d1e628/hotho},
   keywords    = {challenge dc13 mainpost nameling presse},
   added-at    = {2013-09-25T14:57:54.000+0200},
   description = {Werdende Eltern haben die quälende Wahl: Franz wie der Großvater oder Ronaldo wie der Fußballstar? Die Namenssuche fällt den Paaren immer schwerer. Informatiker der Universität Würzburg unterstützen Paare auf der Suche nach dem perfekten Namen jetzt mit einer Internetplattform, die helfen soll, den richtigen Namen für den Nachwuchs zu finden.},
   interhash   = {16d87820c344022596bb1920a4d1e628}, 
   intrahash   = {16d87820c344022596bb1920a4d1e628}
}

@electronic{www.kde.cs.uni-kassel.de,
   title       = {Recommending Given Names}, 
   url         = {http://www.kde.cs.uni-kassel.de/ws/dc13/?p=5},
   biburl      = {https://puma.uni-kassel.de/url/8b83a0b06593a92aea1bd01ab39bca4e/hotho},
   keywords    = {2013 challenge dc names recommending},
   added-at    = {2013-02-20T18:32:23.000+0100},
   description = {All over the world, future parents are facing the task of finding a suitable given name for their},
   interhash   = {8b83a0b06593a92aea1bd01ab39bca4e}, 
   intrahash   = {8b83a0b06593a92aea1bd01ab39bca4e}
}

@electronic{www.cs.york.ac.uk,
   title       = {Task Description < Sentiment Analysis in Twitter}, 
   url         = {https://www.cs.york.ac.uk/semeval-2013/task2/},
   biburl      = {https://puma.uni-kassel.de/url/379d72dc7aebe23cc1960742f88ead4c/hotho},
   keywords    = {analysis challenge sentiment twitter},
   added-at    = {2013-01-29T13:41:49.000+0100},
   description = {},
   interhash   = {379d72dc7aebe23cc1960742f88ead4c}, 
   intrahash   = {379d72dc7aebe23cc1960742f88ead4c}
}

@electronic{code.richrelevance.com,
   title       = {RecLab Core -}, 
   url         = {http://code.richrelevance.com/reclab-core/},
   biburl      = {https://puma.uni-kassel.de/url/e9702e7751ffd591cca67add470d3f6b/hotho},
   keywords    = {algorithm challenge data dataset development improvement method recommender},
   added-at    = {2011-05-26T11:48:26.000+0200},
   description = {},
   interhash   = {e9702e7751ffd591cca67add470d3f6b}, 
   intrahash   = {e9702e7751ffd591cca67add470d3f6b}
}

@electronic{tunedit.org,
   title       = {TunedIT - Data mining & machine learning data sets, algorithms, challenges}, 
   url         = {http://tunedit.org/},
   biburl      = {https://puma.uni-kassel.de/url/94fa145e5cfdfa41c41ca7d954f43d23/hotho},
   keywords    = {challenge data learning machine mining},
   added-at    = {2011-05-18T13:11:07.000+0200},
   description = {Platform for sharing and evaluation of intelligent algorithms. Data mining data, experiments, datasets, performance analysis, data repository, challenges. Research and applications, prediction. Data mining and machine learning},
   interhash   = {94fa145e5cfdfa41c41ca7d954f43d23}, 
   intrahash   = {94fa145e5cfdfa41c41ca7d954f43d23}
}

@electronic{zbw.neurovation.net,
   title       = {The EconBiz Challenge - Ideen in Jurybewertung | ZBW}, 
   url         = {http://zbw.neurovation.net/de/competition/175178/jury_ideas?backlink=node%2F175178},
   biburl      = {https://puma.uni-kassel.de/url/2d2b9b397fd4248d237dbe2a114b4a7f/hotho},
   keywords    = {bibsonomy challenge econbiz},
   added-at    = {2011-03-03T13:14:33.000+0100},
   description = {},
   interhash   = {2d2b9b397fd4248d237dbe2a114b4a7f}, 
   intrahash   = {2d2b9b397fd4248d237dbe2a114b4a7f}
}

@electronic{km.aifb.kit.edu,
   title       = {Billion Triple Challenge 2010 Dataset}, 
   url         = {http://km.aifb.kit.edu/projects/btc-2010/},
   biburl      = {https://puma.uni-kassel.de/url/0bd6afefa4fa9b8deb385d518ea6d32f/hotho},
   keywords    = {2010 billion challenge dataset semantic triple web},
   added-at    = {2010-07-29T23:05:09.000+0200},
   description = {},
   interhash   = {0bd6afefa4fa9b8deb385d518ea6d32f}, 
   intrahash   = {0bd6afefa4fa9b8deb385d518ea6d32f}
}

@electronic{learningtorankchallenge.yahoo.com,
   title       = {Yahoo! Learning to Rank Challenge -}, 
   url         = {http://learningtorankchallenge.yahoo.com/},
   biburl      = {https://puma.uni-kassel.de/url/728179cb1d8dd713585072bca2d702c4/hotho},
   keywords    = {challenge learning rank search wettbewerb yahoo dataset},
   added-at    = {2010-02-26T13:47:48.000+0100},
   description = {},
   interhash   = {728179cb1d8dd713585072bca2d702c4}, 
   intrahash   = {728179cb1d8dd713585072bca2d702c4}
}

@electronic{olc.ijs.si,
   title       = {PASCAL Ontology Learning Challenge}, 
   url         = {http://olc.ijs.si/},
   biburl      = {https://puma.uni-kassel.de/url/8e7fa0697c9a1cebcfa101b7b82224cb/hotho},
   keywords    = {challenge learning ol ontology},
   added-at    = {2010-02-07T14:03:49.000+0100},
   description = {},
   interhash   = {8e7fa0697c9a1cebcfa101b7b82224cb}, 
   intrahash   = {8e7fa0697c9a1cebcfa101b7b82224cb}
}

@electronic{www.webis.de,
   title       = {Web Technology & Information Systems}, 
   url         = {http://www.webis.de/pan-09/competition.php},
   biburl      = {https://puma.uni-kassel.de/url/ce419fd459a74453ef9162cb46775a62/hotho},
   keywords    = {2009 challenge competition detection plagiarism workshop},
   added-at    = {2009-04-23T20:28:46.000+0200},
   description = {},
   interhash   = {ce419fd459a74453ef9162cb46775a62}, 
   intrahash   = {ce419fd459a74453ef9162cb46775a62}
}

@electronic{www.kde.cs.uni-kassel.de,
   title       = {ECML PKDD Discovery Challenge 2009}, 
   url         = {http://www.kde.cs.uni-kassel.de/ws/dc09/},
   biburl      = {https://puma.uni-kassel.de/url/7001b687380abf174e646ed8858b8d84/hotho},
   keywords    = {2009 challenge discovery ecml myown pkdd workshop},
   added-at    = {2009-03-30T16:12:25.000+0200},
   description = {mendation service which can be called via HTTP by BibSonomy's recommender when a user posts a bookmark or publication. All participating recommenders are called on each posting process, one of them is choosen to actually deliver the results to the user. We can then measure },
   interhash   = {7001b687380abf174e646ed8858b8d84}, 
   intrahash   = {7001b687380abf174e646ed8858b8d84}
}

@electronic{btc.isweb.uni-koblenz.de,
   title       = {- Fachbereich 4 - Informatik}, 
   url         = {http://btc.isweb.uni-koblenz.de/},
   biburl      = {https://puma.uni-kassel.de/url/c68e4702b74a00fbb6606ae4ded2fdd9/hotho},
   keywords    = {2008 challenge iswc koblenz semantic semaplorer web},
   added-at    = {2008-10-31T16:44:22.000+0100},
   description = {},
   interhash   = {c68e4702b74a00fbb6606ae4ded2fdd9}, 
   intrahash   = {c68e4702b74a00fbb6606ae4ded2fdd9}
}

@electronic{www.icwsm.org,
   title       = {ICWSM 2009 - International AAAI Conference on Weblogs and Social Media}, 
   url         = {http://www.icwsm.org/2009/data/},
   biburl      = {https://puma.uni-kassel.de/url/16c1f16853c9fdf2727ba9210a703407/hotho},
   keywords    = {2009 blog challenge conference data dataset social web},
   added-at    = {2008-10-23T20:45:36.000+0200},
   description = {},
   interhash   = {16c1f16853c9fdf2727ba9210a703407}, 
   intrahash   = {16c1f16853c9fdf2727ba9210a703407}
}

@electronic{www.elseviergrandchallenge.com,
   title       = {The Elsevier Grand Challenge: Knowledge Enhancement in the Life Sciences}, 
   url         = {http://www.elseviergrandchallenge.com/},
   biburl      = {https://puma.uni-kassel.de/url/6b537a9933e9a3c3f512b5a21d08264b/hotho},
   keywords    = {challenge review sciences semantic web},
   added-at    = {2008-06-05T13:52:06.000+0200},
   description = {The Elsevier Grand Challenge:  Knowledge Enhancement in the Life Sciences is  a contest created to improve the way scientific information is communicated and  used. The contest invites members of the scientific community to describe  and prototype a tool to improve the interpretation and identification of  meaning in (online) journals and text databases relating to the life sciences.  Specifically we are looking for new ways to:},
   interhash   = {6b537a9933e9a3c3f512b5a21d08264b}, 
   intrahash   = {6b537a9933e9a3c3f512b5a21d08264b}
}

@electronic{network.nature.com,
   title       = {ECML PKDD Discovery Challenge 2008 - Connotea: Latest News and Blog - Ian Mulvany's blog on Nature Network}, 
   url         = {http://network.nature.com/blogs/user/ianmulvany/2008/05/12/ecml-pkdd-discovery-challenge-2008},
   biburl      = {https://puma.uni-kassel.de/url/ddcd42a8ee6279e7de84559e0fd28e6f/hotho},
   keywords    = {2008 bibsonomy blog challenge connotea discovery ecml},
   added-at    = {2008-05-17T12:41:17.000+0200},
   description = {},
   interhash   = {ddcd42a8ee6279e7de84559e0fd28e6f}, 
   intrahash   = {ddcd42a8ee6279e7de84559e0fd28e6f}
}

@electronic{www.kde.cs.uni-kassel.de,
   title       = {ECML PKDD Discovery Challenge 2008}, 
   url         = {http://www.kde.cs.uni-kassel.de/ws/rsdc08/},
   biburl      = {https://puma.uni-kassel.de/url/f7a91c39eaab3ab7e1cfbff285734736/hotho},
   keywords    = {2008 bibsonomy challenge discovery dm ecml ml myown pkdd workshop},
   added-at    = {2008-05-07T18:19:42.000+0200},
   description = {This year's discovery challenge presents two tasks in the new area 
			of social bookmarking. One task covers spam detection and
			the other covers tag recommendations. As we are hosting the social bookmark and
			publication sharing system BibSonomy, we are able to provide a dataset 
			of BibSonomy for the challenge. A training dataset for both tasks is provided at the beginning of the competition. 
			The test dataset will be released 48 hours before the final deadline. Due to a very tight schedule we cannot grant any deadline 
                        extension. 
			The presentation of the results will take place at the ECML/PKDD workshop where the top teams are
			invited to present their approaches and results.},
   interhash   = {f7a91c39eaab3ab7e1cfbff285734736}, 
   intrahash   = {f7a91c39eaab3ab7e1cfbff285734736}
}

@electronic{www.semantichacker.com,
   title       = {SemanticHacker}, 
   url         = {http://www.semantichacker.com/},
   biburl      = {https://puma.uni-kassel.de/url/fc3d400ffc6b736a3e4cdbe533263ffc/hotho},
   keywords    = {challenge nlp prize semantic text},
   added-at    = {2008-03-20T08:36:25.000+0100},
   description = {},
   interhash   = {fc3d400ffc6b736a3e4cdbe533263ffc}, 
   intrahash   = {fc3d400ffc6b736a3e4cdbe533263ffc}
}

@electronic{challenge.spock.com,
   title       = {Spock}, 
   url         = {http://challenge.spock.com/},
   biburl      = {https://puma.uni-kassel.de/url/d76db49b9d0eb6ef9d33a0d7683fe1eb/hotho},
   keywords    = {challenge clustering document web},
   added-at    = {2007-04-20T20:42:19.000+0200},
   description = {},
   interhash   = {d76db49b9d0eb6ef9d33a0d7683fe1eb}, 
   intrahash   = {d76db49b9d0eb6ef9d33a0d7683fe1eb}
}