Notes
Slide Show
Outline
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3.
Search Tools
  • Nancy Woodward
  • J. D. Verdery Library
  • Wooster School
  • Upper School Information Literacy Instruction



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Picking the Right Tool for the Job!
  • Did you know that there are really only about 6 search engines out there??!?!?!?!
    • Google
    • Yahoo
    • Ask
    • MSN
    • Exalead
    • Gigablast
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How Can That Be?!?!?
  • The database used at AllTheWeb and AltaVista is the Yahoo database
  • The AOL Search and A9 database comes from Google
  • The Snap.com database comes from Gigablast
  • The Ask Jeeves database is used at Teoma and the 2 were recently merged into Ask.com
  • The Lycos database also comes from Yahoo.
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Did You Know?!?!
  • Most users view VERY FEW pages beyond the first or first 2 pages.
  • There is only a very small overlap (<5%) of HITS between search engines!
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How do They Work?
  • Subject Directories
  • Search Engines
  • Meta & Cluster Search Engines
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Subject Directories
  • You must know something about the topic you’re searching
  • web resources selected by people
  • starts with a general group of topics
    • each time the searcher selects a topic a new, more specific list of topics appears.

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LII = Great Subject Directory
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Really Cool Directory
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Search Engines
  • Use keywords, combined using Boolean logic, to locate Web pages.





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Understanding Google
  • Has basic, directory, and advanced search capabilities.
  • Hits are ranked based on popularity!


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Special Google Features
  • Default AND
  • Accepts  “ “, - & +
  • Spell check
  • Translations
  • ~ searches synonyms
    • ~car
  • Images
  • Videos
  • News – 4500 sources
  • Books
  • Maps


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Understanding Yahoo
  • Has basic, directory, and advanced search capabilities.
  • Hit appear based on relevancy!
    • In other words, the number of times your Keyword(s) appear on the site.
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Special Yahoo Features
  • Default AND
  • Accepts  “ “, - & +
  • Spell check
  • Translations
  • Images
  • Videos
  • News – 7000 sources
  • Podcasts
  • Audio
  • Maps



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Understanding Ask.com
  • Has basic and advanced search capabilities.
  • Results are ranked by the number of
    subject-specific pages linked back to
     the Hit.
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Special Ask.com Features
  • Default AND
  • Accepts  “ “, - & +
  • Spell check
  • Excellent at ranking & organizing results
  • Suggests narrower & broader searches
  • Often provides background info on search



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Meta/Cluster Search Engines
  • Several web search tools are searched at the same time.
  • The results are clustered together


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What About Dogpile?
  • Searches Google, Yahoo, Ask.com, About.com, and more at the same time.
  • Includes “Sponsored” listings.
  • Suggests related searches.
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Special Dogpile Features
  • Default AND
  • Accepts  OR & NOT
  • Offers meta search of:
    • Images
    • Audio
    • Video
    • News
    • Phone books


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What About Vivisimo?
  • Searches MSN, Lycos, LookSmart, WiseNut, Ask.com, and more at the same time.
  • Suggests related searches.
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Special Vivisimo Features
  • Default AND
  • Accepts  OR & -


  • Clusters results
  • Good for current events
    • News, business, technology, sports!
  • Good with complex topics
    • Breaks down complex searches for each search engine


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Cool NEW Web Search Tool: Cuil
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More Cuil
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Tips from the Librarian
  • First  look through the top ten or so hits, then see if those pages link to more relevant sites.
  • Try different search engines!
    • Implications – different Web search engines index different Websites

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More Tips
  • Keep an eye on the page’s URL Address.  It can help you judge the reliability of the information provider.
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Here Come Some More Tips?
  • To get just one kind of site, enter i.e.
      • site:gov “energy statistics”
  • To get a specific file type, enter i.e.
      • filetype:pdf  money

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Resource Tips
  • Search Tools Chart
  • Search Tools page
    - Wooster School Library
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Important to Remember!
  • No one search engine or index will examine the entire WWW.
  • Try more than one if you have difficulty finding what you want.


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Remember!
  • The best search method depends on your problem !
  • Jim Ross - CSUB Computer Literacy Instructor


  • So, Pick the Right Search Engine.
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Works Cited (my bibliography)
  • Basic Internet Searching accessed 7/22/00 ©1998 Greg R., Reference Librarian >http://www.lib.montana.edu/~notess/li/basicsearch.html<
  • Basic Search Tool Chart. 2006 InfoPeople Project, Accessed 10 August 2006.> www.infopeople.org/search/chart.html<
  • LM_NET@LISTSERV.SYR.EDU. gary price <gary@RESOURCESHELF.COM>Sent : Thursday, June 16, 2005 2:38 AM. Subject : Re: [LM_NET] Search engine comparison
  • On The Net Internet Search Techniques and Strategies Online Inc. Greg R. Notess, Reference Librarian
    Montana State University; accessed 7/22/00, >http://www.onlineinc.com/onlinemag/JulOL97/net7.html <
  • Ross, J. Web Search Basics. The Garlic Press. Accessed 9 August 2006, >http://www.scuba.edu/~jross/classes/GS390/Internet/WEB_SEARCHING/WebSearch.ppt <
  • Search Engine Showdown Page updated Jul. 12, 2000 accessed 7/22/00 > http://www.searchengineshowdown.com/ <
  • Spink, Amanda. Web Search and Web Search Overlap: What the Deal? Accessed 10 August 2006. >
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The End
  • Thank you!