Searching the Web Search Tools Help Search Strategies Are Really the Key By Mr. Breitsprecher
Search Engines <ul><li>Information retrieval tools </li></ul><ul><li>Identify search topics, software finds matches </li><...
Popular Search Tools <ul><li>Google ( www.google.com ) </li></ul><ul><li>Yahoo  ( www.yahoo.com ) </li></ul><ul><li>Ask Je...
Most Search Engines: <ul><li>Have forms to enter keywords  </li></ul><ul><li>Links to help & advanced search tools </li></...
Search Engines Differ: <ul><li>Number of Web pages that are Indexed </li></ul><ul><li>How they rank results </li></ul><ul>...
Simple Searching <ul><li>Keywords – terms relating to subject </li></ul><ul><li>Spelling counts </li></ul><ul><li>Enter ke...
Advanced Searching <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>AND:  all keywords must be present </li>...
Phrase Searching <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>Enclose in quotation marks (“”) </li></ul>...
Natural Language <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>Search with sentences/phrases used in conv...
Meta Searching <ul><li>Enter keywords in 1 dialog box </li></ul><ul><li>Automatically search many different search engines...
Meta Search Engines <ul><li>Clusty  ( clusty .com ) </li></ul><ul><li>Copernic Agent  ( www. copernic .com ) </li></ul><ul...
Invisible Web <ul><li>Not all webs are indexed by search engines </li></ul><ul><li>Pages created from databases are usuall...
Invisible Web Guides <ul><li>Academic Info ( www.academicinfo.net )  </li></ul><ul><li>Free Pint ( www.freepint.com )  </l...
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Searching the Web

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Let's review the basics of locating information on the Web. We'll review strategies and some of the most useful resources online.

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Transcript of "Searching the Web"

  1. 1. Searching the Web Search Tools Help Search Strategies Are Really the Key By Mr. Breitsprecher
  2. 2. Search Engines <ul><li>Information retrieval tools </li></ul><ul><li>Identify search topics, software finds matches </li></ul><ul><li>Not “real time” search of Internet </li></ul><ul><li>Search engines create index of Web </li></ul><ul><li>Size of index varies </li></ul>
  3. 3. Popular Search Tools <ul><li>Google ( www.google.com ) </li></ul><ul><li>Yahoo ( www.yahoo.com ) </li></ul><ul><li>Ask Jeeves ( www.askjeeves.com ) </li></ul><ul><li>AllTheWeb.com ( www.alltheweb.com ) </li></ul><ul><li>HotBot ( www.hotbot.com ) </li></ul><ul><li>Teoma ( www.teoma.com ) </li></ul><ul><li>AltaVista ( www.altavista.com ) </li></ul><ul><li>Lycos ( www.lycos.com ) </li></ul>
  4. 4. Most Search Engines: <ul><li>Have forms to enter keywords </li></ul><ul><li>Links to help & advanced search tools </li></ul><ul><li>Subject categories or directories </li></ul>
  5. 5. Search Engines Differ: <ul><li>Number of Web pages that are Indexed </li></ul><ul><li>How they rank results </li></ul><ul><li>Results they generate </li></ul>Always try different search engines for more results
  6. 6. Simple Searching <ul><li>Keywords – terms relating to subject </li></ul><ul><li>Spelling counts </li></ul><ul><li>Enter keyword in search engine and click “SEARCH” </li></ul><ul><li>Results can vary </li></ul><ul><li>Meaning may depend on context </li></ul>
  7. 7. Advanced Searching <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>AND: all keywords must be present </li></ul><ul><li>OR: any of keywords can be present. </li></ul><ul><li>NOT: excludes specified keywords </li></ul>
  8. 8. Phrase Searching <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>Enclose in quotation marks (“”) </li></ul><ul><li>Matches phrase EXACTLY </li></ul><ul><li>Also called “literal” </li></ul>
  9. 9. Natural Language <ul><li>Check HELP or ADVANCE SEARCH options </li></ul><ul><li>Search with sentences/phrases used in conversation </li></ul><ul><li>Search engine tries to determine keywords </li></ul><ul><li>Be careful, results can very widely </li></ul>
  10. 10. Meta Searching <ul><li>Enter keywords in 1 dialog box </li></ul><ul><li>Automatically search many different search engines </li></ul><ul><li>Cannot use each search engines unique advanced features </li></ul>
  11. 11. Meta Search Engines <ul><li>Clusty ( clusty .com ) </li></ul><ul><li>Copernic Agent ( www. copernic .com ) </li></ul><ul><li>Dogpile ( www. dogpile .com ) </li></ul><ul><li>KartOO ( www.kartoo.com ) </li></ul><ul><li>Mama Metasearch ( www.mamma.com ) </li></ul><ul><li>MetaCrawler ( www.metacrawler.com ) </li></ul><ul><li>SurfWax ( www.surfwax.com ) </li></ul>
  12. 12. Invisible Web <ul><li>Not all webs are indexed by search engines </li></ul><ul><li>Pages created from databases are usually invisible </li></ul><ul><li>Try subject guides and directories </li></ul>
  13. 13. Invisible Web Guides <ul><li>Academic Info ( www.academicinfo.net ) </li></ul><ul><li>Free Pint ( www.freepint.com ) </li></ul><ul><li>Infomine ( www.infomine.ucr.edu ) </li></ul><ul><li>Librarians’ Index to the Internet ( www.lii.org ) </li></ul><ul><li>ResearchBuzz ( www.researchbuzz.org ) </li></ul><ul><li>The Scout Report ( www.scout.cs.wisc.edu ) </li></ul>

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