Dialog (online database)
Dialog was one of the predecessors of the World Wide Web as a provider of information, though not in form. The earliest form of the Dialog system was completed in 1966 under the direction of Roger K. Summit. According to its literature, 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. 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.
- "ProQuest signs agreement to acquire Dialog business from Thomson Reuters". ProQuest LLC. June 8, 2008. Retrieved on March 6, 2009.
- "ProQuest acquires Dialog". ProQuest LLC. July 1, 2008. Retrieved on March 6, 2009.
- 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
- 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.
- Roger Summit, Reflections on the Beginnings of Dialog: The Birth of Online Information Access, Chronolog, June 2002. The Dialog Corp. ISSN 0163-3732
- Thomson Scientific and the invention of online information services, visited 1/26/2008
- Phyllis E. Worden, Knowledge Index. Journal of Extension, Volume 26 Number 2, 1988. ISSN 1077-5315
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