@electronic{perfectmarket.com,
   title       = {NoSQL Solution: Evaluation and Comparison: MongoDB vs Redis, Tokyo Cabinet, and Berkeley DB [CHART] | Blog | Perfect Market™ - Content Matters}, 
   url         = {http://perfectmarket.com/blog/not_only_nosql_review_solution_evaluation_guide_chart},
   biburl      = {https://puma.uni-kassel.de/url/b63c217e590164d4941239441abb7a35/hotho},
   keywords    = {comparison database datenbanken nosql vergleich},
   added-at    = {2011-04-23T21:57:46.000+0200},
   description = {NoSQL comparison. A review of Tokyo cabinet, Tokyo Tyrant, Berkeley db, Memcachedb, Project Voldemort, Redis, and MongoDB.},
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}

@electronic{socialsoftwarematrix.org,
   title       = {Social Software Matrix - find the social software tool that fits best your company’s needs.}, 
   url         = {http://socialsoftwarematrix.org/},
   biburl      = {https://puma.uni-kassel.de/url/98ce8e5391658073cb50b9ff1c5e7038/hotho},
   keywords    = {comparison matrix social software tools vergleich},
   added-at    = {2011-02-22T14:27:29.000+0100},
   description = {This website is a resource to help you find the social software tool that fits best your company’s needs.},
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@electronic{blogs.ethz.ch,
   title       = {Innovation@ETH-Bibliothek | 2010 | April}, 
   url         = {http://blogs.ethz.ch/innovethbib/2010/04/},
   biburl      = {https://puma.uni-kassel.de/url/9a5d7c015fb3947be9e515923b0b7108/hotho},
   keywords    = {ipad research vergleich},
   added-at    = {2010-04-29T16:44:57.000+0200},
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@electronic{wiki.openstreetmap.org,
   title       = {Android - OpenStreetMap Wiki}, 
   url         = {http://wiki.openstreetmap.org/wiki/Android},
   biburl      = {https://puma.uni-kassel.de/url/0cca0777692b7e0110afb59e35aa8246/hotho},
   keywords    = {android karten openstreetmap vergleich wiki},
   added-at    = {2010-04-10T20:40:34.000+0200},
   description = {pen source! },
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   intrahash   = {0cca0777692b7e0110afb59e35aa8246}
}

@electronic{www.media-ocean.de,
   title       = {Nachlese ZKM-Tagung (III): Blogger und Wissenschaftler - Zwei Kommunikationskulturen? « media-ocean}, 
   url         = {http://www.media-ocean.de/2005/09/25/nachlese-zkm-tagung-iii-blogger-und-wissenschaftler-zwei-kommunikationskulturen/},
   biburl      = {https://puma.uni-kassel.de/url/bf6cfe371941a6f33aa6cb216ea90ad5/hotho},
   keywords    = {blogger community vergleich express blog Wissenschaftler science online},
   added-at    = {2009-04-19T17:08:50.000+0200},
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@electronic{network.nature.com,
   title       = {Interview with Kevin Emamy - Gobbledygook - Martin Fenner's blog on Nature Network}, 
   url         = {http://network.nature.com/people/mfenner/blog/2009/01/30/interview-with-kevin-emamy},
   biburl      = {https://puma.uni-kassel.de/url/f7b863dbc57019c78778c8da55ffff6b/hotho},
   keywords    = {bookmarking citeulike connotea social tagging vergleich},
   added-at    = {2009-02-04T17:49:32.000+0100},
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@electronic{www.rc-sim.de,
   title       = {Abschlussbericht}, 
   url         = {http://www.rc-sim.de/cms/index.php/de/rc-sim-berichte},
   biburl      = {https://puma.uni-kassel.de/url/ce8bfd86e13bc4018e6f409fd6b35f0f/hotho},
   keywords    = {hubschrauber simulator vergleich},
   added-at    = {2008-12-27T18:33:25.000+0100},
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@electronic{www.gsmarena.com,
   title       = {GSMArena.com - GSM reviews, opinions, votes, manuals, ringtones and more...}, 
   url         = {http://www.gsmarena.com/},
   biburl      = {https://puma.uni-kassel.de/url/c4043f7a051275c54ec133861922b0fe/hotho},
   keywords    = {handy news review vergleich},
   added-at    = {2008-06-04T15:25:25.000+0200},
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@electronic{www.billig-tarife.de,
   title       = {Billig-Tarife.de - VoIP-Tarifrechner}, 
   url         = {http://www.billig-tarife.de/telefontarife/voip-vergleich.php},
   biburl      = {https://puma.uni-kassel.de/url/d5ea56c59c685d15915661bc3a85022e/hotho},
   keywords    = {voip tarife vergleich billig},
   added-at    = {2007-01-14T18:06:32.000+0100},
   description = {},
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   intrahash   = {d5ea56c59c685d15915661bc3a85022e}
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@electronic{www.onlinekosten.de,
   title       = {Onlinekosten.de - VoIP-Anbieter in Deutschland}, 
   url         = {http://www.onlinekosten.de/voip/anbieter},
   biburl      = {https://puma.uni-kassel.de/url/e6014c0faa27cd8457fbca65cffdd81d/hotho},
   keywords    = {voip tarife vergleich},
   added-at    = {2007-01-06T22:03:40.000+0100},
   description = {VoIP-Anbieter in Deutschland},
   interhash   = {e6014c0faa27cd8457fbca65cffdd81d}, 
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@electronic{www.geizhals.at,
   title       = {Preisvergleich}, 
   url         = {http://www.geizhals.at/de/},
   biburl      = {https://puma.uni-kassel.de/url/99a4ee629b1a16ca093eff0b3954e43e/hotho},
   keywords    = {computer preisvergleich vergleich preis hardware},
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@electronic{www.simtarife.de,
   title       = {Prepaid Handy Discounter Tarife}, 
   url         = {http://www.simtarife.de/},
   biburl      = {https://puma.uni-kassel.de/url/7dbf73bdcc87f5728bd729a16bed08c9/hotho},
   keywords    = {handy preise vergleich},
   added-at    = {2006-02-23T11:24:45.000+0100},
   description = {},
   interhash   = {7dbf73bdcc87f5728bd729a16bed08c9}, 
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@electronic{rankcomparison.di.unipi.it,
   title       = {Rank Comparison Engine}, 
   url         = {http://rankcomparison.di.unipi.it/},
   biburl      = {https://puma.uni-kassel.de/url/7f19dc03c97377fdee148920fd6a27de/hotho},
   keywords    = {search engine suchmaschinen rank comparison vergleich},
   added-at    = {2006-02-13T16:32:06.000+0100},
   description = {},
   interhash   = {7f19dc03c97377fdee148920fd6a27de}, 
   intrahash   = {7f19dc03c97377fdee148920fd6a27de}
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@electronic{www.testticker.de,
   title       = {Testticker.de: Tests, Workshops, Know-How und News von PC Pro, Internet Pro und PC Direkt}, 
   url         = {http://www.testticker.de/},
   biburl      = {https://puma.uni-kassel.de/url/ce1314a476ffe09bd4a09387b3dc0a3d/hotho},
   keywords    = {computer tests vergleich},
   added-at    = {2006-01-13T13:42:59.000+0100},
   description = {},
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