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Web Searching

This article explores the rich history of web search engines, beginning with Archie, the first search tool from 1990, to modern giants like Google. We delve into significant milestones such as the introduction of statistical analysis in search results (Archietext, 1993), notable platforms like Yahoo!, Lycos, and Altavista, and advancements in search algorithms. We also discuss the future trends in search technology, including visual and multimedia search engines, and evaluate the strengths and weaknesses of various search solutions. Join us as we trace the development of how we find information online.

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Web Searching

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Presentation Transcript

  1. Web Searching Everything, now.

  2. History of Search • Archie (archives) - 1990 • Database of FTP filenames with regex query searching • WWW Wanderer • Web’s first robot • High bandwidth load • ALIWEB (Archie-Like Indexing of the WEB) • Pages submitted with descriptions

  3. History of Search • Archietext - 1993 • First to use statistical analysis of word relationships to generate results • Yahoo! - 1994 • Searchable directory of pages with descriptions • Webcrawler - 1994 † • Indexed entire web pages • Lycos - 1994 † • 60 million documents by 1996

  4. History of Search • Infoseek - 1994 † • Altavista - 1995 † • Looksmart -1996 • Inktomi - 1996 • Ask Jeeves -1997 • Google -1998 • Teoma - 2000

  5. Web Search Today • Search algorithms are highly secret • Use off-page criteria for ranking • Constant tweaking • Things to look for: • Boolean nesting • Fields • Clustering? • Stop words

  6. Web Search Today • Google • PageRank system • “Important” sites given artificial high rank • Strengths • Largest database • Relevance based on external linkage • Weaknesses • No nesting • May search for synonyms / grammatical variants (automatic stemming)

  7. Web Search Today • Yahoo! • Brand new search database (as of Feb ’04) • Strengths • Full boolean searching • Very fresh • Directory links • Weaknesses • Includes pay for inclusion results (!)

  8. Web Search Today • MSN Search (Inktomi) • Large Inktomi database • Strengths • Page depth limit • Full boolean searching

  9. Web Search Today • Teoma • Subject-specific popularity • Strengths • Refine • Related • Weaknesses • Small database • No boolean nesting

  10. Web Search Tomorrow • Kartoo • Visual meta search engine • Nutch • Open source web search • Java (but that could change) • Dipsie • “2 clicks” • Singingfish • Multimedia (audio / video) search

  11. Internet Directories

  12. Conclusion • Which search engine is the best?

  13. References • http://searchengineshowdown.com/ • http://www.search-marketing.info/

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