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Microsoft Academic Search was a free public search engine for academic papers and literature, developed by Microsoft Research for the purpose of algorithms research in object-level vertical search,〔(【引用サイトリンク】title=Microsoft Research News: Search Objective Gets a Refined Approach )〕 data mining, entity linking, and data visualization.〔(【引用サイトリンク】title=Microsoft Research Projects - Academic Search )〕 Although largely functional, the service was not intended to be a production web site and has all but been taken offline, as was originally intended when the research goals of the project had been met.〔(【引用サイトリンク】title=About Microsoft Academic Search )〕 According to a 2014 publication on arXiv, the service has not been updated since 2013 and seen a marked decline in the number of indexed documents since 2011.〔(【引用サイトリンク】title=Empirical Evidences in Citation-Based Search Engines: Is Microsoft Academic Search dead? )〕 The fact that this decline has not been reported on earlier indicates to the authors that the service was largely ignored by academics and bibliometricians alike.〔(【引用サイトリンク】title=Empirical Evidences in Citation-Based Search Engines: Is Microsoft Academic Search dead? )〕 Microsoft Academic is a semantic network consisting of the bibliographic information (metadata) for academic papers published in journals, conference proceedings, as well as authors, journals, conferences, and universities. As of February 2014, it has indexed over 39.9 million publications and 19.9 million authors.〔(【引用サイトリンク】title=Microsoft Academic Search dataset on Azure Marketplace )〕 In July 2014, Microsoft Research announced that Microsoft Academic was evolving from a research project to a production service, and would be integrating with Microsoft's flagship search engine, Bing, and its intelligent personal assistant service, Cortana. “By growing Microsoft Academic Search from a research effort to production,” (Research's Kuansan ) Wang says, “our goal is to make Bing-powered Cortana the best personal research assistant for our users" 〔(【引用サイトリンク】title=Making Cortana the Researcher's Dream Assistant ) 〕 ==See also== * Google Scholar * CiteSeerX * Scirus * List of academic databases and search engines 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「Microsoft Academic Search」の詳細全文を読む スポンサード リンク
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