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Spock is a vertical search engine or entity search engine on people. The name "Spock" is explained with a backronym: "single point of contact (by) keyword."〔(Spock Joins Crowded People Search Space )〕 Founded in 2006 by Jay Bhatti and Jaideep Singh, it has "indexed over 250 million people representing over 1.5 billion data records."〔(http://www.spock.com/do/pages/pr_web_expo )〕 These records are from publicly available sources, including Wikipedia, IMDB, ESPN, LinkedIn, Hi5, MySpace, Friendster, Facebook, YouTube, Flickr, Twitter, FEC, corporate biographies, university faculty and staff pages, real estate agents sites, school alumni and member directory pages, etc. The company maintains that "30% of all Internet searches are people-related".〔(Exclusive Screenshots: Spock’s New People Engine by Michael Arrington )〕 As entity resolution is the main algorithmic hurdle of their indexing endeavour, Spock has issued and awarded the Spock Challenge Prize. The winning entry combines various machine learning algorithms.〔(Weighted Experts: A Solution for the Spock Data Mining Challenge )〕 Spock opened its service to public beta on August 8, 2007.〔(Spock Open Public Beta by Nick Gonzalez )〕 ==Financing== In December 2006, Spock raised $7 million in a Series A round of funding from Clearstone Venture Partners and Opus Capital.〔(CrunchBase Company Information: Spock )〕 On April 30, 2009, Spock was acquired by Intelius.〔(Intelius buys Spock )〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Spock (website)」の詳細全文を読む スポンサード リンク
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