Dialog (online database)

Dialog (online database)

Dialog is an online information service owned by ProQuest, who acquired it from Thomson Reuters in mid-2008.[1][2]

Dialog was one of the predecessors of the World Wide Web as a provider of information, though not in form.[3][4] The earliest form of the Dialog system was completed in 1966 under the direction of Roger K. Summit.[5] According to its literature,[6] it was "the world's first online information retrieval system to be used globally with materially significant databases". In the 1980s, a low-priced dial-up version of a subset of Dialog was marketed to individual users as Knowledge Index.[7] This subset included INSPEC, MathSciNet, over 200 other bibliographic and reference databases, as well as third-party retrieval vendors who would go to physical libraries to copy materials for a fee and send it to the service subscriber.

See also


  1. ^ "ProQuest signs agreement to acquire Dialog business from Thomson Reuters". ProQuest LLC. June 8, 2008. Retrieved on March 6, 2009.
  2. ^ "ProQuest acquires Dialog". ProQuest LLC. July 1, 2008. Retrieved on March 6, 2009.
  3. ^ Susanne Bjorner and Stephanie C. Ardito, Online Before the Internet: Early Pioneers Tell Their Stories. Part 1: In the Beginning, Searcher, June 2003 ISSN 1070-4795
  4. ^ Susanne Bjorner and Stephanie C. Ardito, Online Before the Internet: Early Pioneers Tell Their Stories. Part 2: Growth of the Online Industry;, Searcher, July/August 2003 ISSN 1070-4795.
  5. ^ Roger Summit, Reflections on the Beginnings of Dialog: The Birth of Online Information Access, Chronolog, June 2002. The Dialog Corp. ISSN 0163-3732
  6. ^ Thomson Scientific and the invention of online information services, visited 1/26/2008
  7. ^ Phyllis E. Worden, Knowledge Index. Journal of Extension, Volume 26 Number 2, 1988. ISSN 1077-5315

External links

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