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Santa Rosa District Schools Professional Development Center Budgie Latshaw

Searching the Internet. Santa Rosa District Schools Professional Development Center Budgie Latshaw. SEARCH ENGINES. Search Engines. An Internet search tool that searches sites for key words Search their own database of information

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Santa Rosa District Schools Professional Development Center Budgie Latshaw

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  1. Searching the Internet Santa Rosa District Schools Professional Development Center Budgie Latshaw

  2. SEARCH ENGINES

  3. Search Engines • An Internet search tool that searches sites for key words • Search their own database of information • Deploys robots or spiders to find incidences of key words to add to its database

  4. What do the results mean? • Results are presented in order of relevance • Relevancy rankings based on a formula • Different methods of collection

  5. How do I formulate my search? • Identify important concepts within the question • Identify keywords and related synonyms • Read the HELP!

  6. Boolean Searches • Using terms to broaden or narrow your search • Uses AND, OR, NOT • Or +, -

  7. Boolean Examples • Endangered AND species AND mammals NOT bears AND endangered species NOT mammals

  8. Boolean Examples • If you were looking for non-surgical treatments for glaucoma… glaucoma +treatment -surgical

  9. Does the engine support: • Quotation marks? • Capital letters? • Wildcards, truncations or word stem?

  10. Search Engines • Google: www.google.com • Wisenut: www.wisenut.com • HotBot: www.hotbot.com • Teoma: teoma.com • All the Web: www.alltheweb.com

  11. SEARCH DIRECTORIES

  12. Search Directories • Organized by subject • User works down a series of menus • Organized by HUMANS • Smaller database than engines

  13. Search Directories • Yahoo!: www.yahoo.com • Infomine: infomine.ucr.edu • The Open Directory: dmoz.org • About.com: about.com • Librarians” Index to the Internet: lii.org • National Directory: www.nationaldirectory.com

  14. Which is better -- an engine or a directory? • Personal preference • Directories allow the user to form the search, but may not use common terms • Search engines allow the user to use common language, but may lead to lots of hits

  15. Build a Better Query • Use the advanced search feature • Use many words, not just a few • Search for your target words, and synonyms • Search for phrases in quotation • Read the search engine’s help files

  16. Did I say? • Read the HELP!

  17. Meta Search Tools • Search tool that uses other engines’ databases • “Skims the surface” of multiple databases • Typically used after other engines have failed

  18. Meta Search Tools

  19. Meta Search Tools • Dogpile www.dogpile.com • Vivisimo vivisimo.com • MetaCrawler www.metacrawler.com

  20. Specialized Search Tools • News Engines • Library-based Search Tools

  21. Choose the Best Search Engine for Your Purpose • Noodle Tools: Debbie Abilock • http://www.noodletools.com/debbie/literacies/information/5locate/adviceengine.html

  22. Search well!

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