Search Before Google Computer Science 49SSearching Before GoogleArchie and VeronicaSlide 4Wanderer and WebCrawlerAltaVistaSlide 7LycosExciteSlide 10YahooSlide 12Search Before GoogleComputer Science 49SChris RwabukambaFebruary 1 2007Searching Before GoogleBriefly describe search engines before Google•Innovations•MistakesArchie and Veronica•First internet search engines•Similar architecture to today’s search engines•Crawled sources, index, search interface•LimitationsHad to know file name and addressLacked semanticsArchie and Veronica•Who do you think used these type of search engines? And why?•Only users techs and academicsWanderer 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 substanceAltaVista•Came from DEC•Google of its era•Objective to give publicity for DEC•Biggest IndexAltaVistaMistakes•Could not generate money from search•Could not keep up with the PC business•Only used first generation searchLycos•Originated from CMU •InnovationsAnalysis of anchor text to get better meaning of existing page•MistakesContinued to expand but lacked technology to keep upExcite• Created by 6 Stanford Alumni •First search engine to transcend classic keyword search•Statistic analysis of word relationships •Hypersearching the WebExciteOther Innovations:•My Excite•Free e-mailMistakes Veered away from searchYahoo•Stanford engineering students•Crawled Internet sites to help win basketball fantasy leagueWhat made Yahoo different from other search engines?What was Yahoo’s main objective?YahooInnovations:•What’s hot •HubsWhy is Yahoo still one of the top search engines
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