Search Before Google Computer Science 49S
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This article provides a historical overview of search engines before Google, including innovations, mistakes, and limitations. The focus is on Archie, Veronica, Wanderer, WebCrawler, AltaVista, Lycos, Excite, and Yahoo.
Search Before Google Computer Science 49S
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Presentation Transcript
Search Before GoogleComputer Science 49S Chris Rwabukamba February 1 2007
Searching Before Google Briefly describe search engines before Google • Innovations • Mistakes
Archie and Veronica • First internet search engines • Similar architecture to today’s search engines • Crawled sources, index, search interface • Limitations Had to know file name and address Lacked semantics
Archie and Veronica • Who do you think used these type of search engines? And why? • Only users techs and academics
Wanderer and WebCrawler • index as many sites as possible • Links to a site • What are some limitations of having search engines that just focus on indexing as many sites a possible? Too much junk not enough substance
AltaVista • Came from DEC • Google of its era • Objective to give publicity for DEC • Biggest Index
AltaVista Mistakes • Could not generate money from search • Could not keep up with the PC business • Only used first generation search
Lycos • Originated from CMU • InnovationsAnalysis of anchor text to get better meaning of existing page • Mistakes Continued to expand but lacked technology to keep up
Excite • Created by 6 Stanford Alumni • First search engine to transcend classic keyword search • Statistic analysis of word relationships • Hypersearching the Web
Excite Other Innovations: • My Excite • Free e-mail Mistakes Veered away from search
Yahoo • Stanford engineering students • Crawled Internet sites to help win basketball fantasy league What made Yahoo different from other search engines? What was Yahoo’s main objective?
Yahoo Innovations: • What’s hot • Hubs Why is Yahoo still one of the top search engines today?