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ProQuest LLC is an Ann Arbor, Michigan-based global information-content and technology company〔(ProQuest Home Page ), retrieved May 21, 2014〕 founded in 1938 as University Microfilms. ProQuest provides solutions, applications, and products for libraries.〔(【引用サイトリンク】title=ProQuest Goes Global )〕 Its resources and tools support research and learning,〔 publishing and dissemination,〔(ProQuest Dissertations Publishing ), retrieved June 15, 2014〕 and the acquisition, management and discovery of library collections.〔 From its founding as a producer of microfilm products and then as an electronic publisher,〔("ProQuest LLC | Private Company Financial Research | PrivCo.com" ), retrieved May 23, 2014〕 the company has grown through acquisitions.〔 Today, the company provides tools for discovery and citation management and platforms that allow library users to discover, manage, use and share research〔("ProQuest - For Libraries" ), retrieved May 23, 2014〕 gained from authoritative content.〔(Welcome, Publishers and Partners ), retrieved June 15, 2014〕 Total content, including dissertations and theses, ebooks, newspapers, periodicals, historical collections, governmental and cultural archives〔("Jisc and ProQuest Enable Access to Essential Digital Content" ), retrieved May 21, 2014〕 and other aggregated databases is estimated at over 125 billion digital pages.〔("ProQuest LLC | Company Profile from Hoover's" ), retrieved May 21, 2014〕 Content is accessed most commonly through library Internet gateways.〔 The current chief executive officer is Kurt P. Sanford.〔(【引用サイトリンク】title=New CEO )〕 ProQuest is part of Cambridge Information Group. ==Businesses== ProQuest was founded as a microfilm publisher.〔(Microfilm's 75th Anniversary ), retrieved June 15, 2014〕 It began publishing doctoral dissertations in 1939,〔Thistlethwaite, Polly, "Publish. Perish?: The academic author and open access publishing", ''Media Authorship'' (edited by Cynthia Chirs, David A. Gerstner). Routledge, 2013, p. 274〕 has published more than 3 million searchable dissertations and theses,〔(Dissertations & Theses ), retrieved June 15, 2014〕 and is designated as an offsite digital archive for the United States Library of Congress.〔(ProQuest Dissertations & Theses Global ), retrieved September 6, 2014〕 The company's scholarly content includes dissertations and theses, primary source material, ebooks, scholarly journals, historical and current newspapers and periodicals, data sources, and other content of interest to researchers.〔(ProQuest - Academic ), retrieved June 15, 2014〕 These are made available through a variety of Web-based interfaces.〔(ProQuest - Connect ), accessed June 15, 2014〕 A recent offering, ProQuest Video Preservation and Discovery Service, allows libraries to preserve and provide access to their proprietary audio and video collections.〔(Against the Grain, News and Announcement 1/9/2014 ), retrieved June 15, 2014〕 ProQuest LLC also operates businesses under the following names:〔 *Bowker provides bibliographic information management solutions to publishers, libraries and booksellers,〔("RR Bowker LLC - Businessweek" ), retrieved May 21, 2014〕 and is the ISBN Agency for the United States.〔("Bowker - Products & Services" ), retrieved May 21, 2014.〕 *Dialog is an online information service with more than 1.4 billion unique records〔(Dialog | Cambridge Information Group ), retrieved May 22, 2014〕 curated for corporate, business and government researchers, with a focus on pharmaceutical, engineering and patent research.〔(Dialog, LLC home page ) retrieved May 22, 2014〕 *EBL (Ebook Library), an ebook aggregator with a catalog of titles from academic publishers, serves academic, corporate and research libraries〔("ProQuest completes acquisition of EBL" ), retrieved May 22, 2014〕 while supporting emerging collection development models such as patron-driven acquisition.〔("EBL Unveils the New LibCentral" ), retrieved May 22, 2014〕 *ebrary offers access to ebook collections, by subscription or a perpetual archive model, in subject packages tailored for academic, corporate, government, public and high school libraries.〔("ebrary | Pre-Packaged Products" ), retrieved May 22, 2014〕 *Serials Solutions delivers discovery and e-resource access and management services〔("About Us|Serials Solutions" ), retrieved May 21, 2014〕 (ERAMS), using a Software-as-a-Service model.〔("Serials Solutions, Inc.: Private Company Information - Businessweek" ), retrieved May 21, 2014〕 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「ProQuest」の詳細全文を読む スポンサード リンク
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