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Transcript

  • 1. Don’t Get Angry
  • 2. Internet Basics
  • 3. Major Pieces of the Internet
    • Communication with other personal computers
    • The World Wide Web
  • 4. World wide Web
  • 5.  
  • 6. Web Consists Of:
  • 7. SEARCHING the Internet
  • 8. Terms to Know for Successful Searching Web Address Internet Browser Search Engine
  • 9. Anatomy of a Web Address http://www.learner.org/ exhibits /parkphysics/ ISP Address Network Domain Directory on the Server File Name Hypertext Transfer Protocol World Wide Web
  • 10. WEB BROWSER
    • A browser is an application (program) that allows people to connect to the World Wide Web
      • The most common browsers are Netscape and (MS) Internet Explorer & Mozilla
  • 11. What is a Search Engine?
    • A program that works like a card catalogue for the Internet
    • It locates sites that have key words identified by the user
  • 12. How do you get from your web browser to a search engine?
    • You have to type in the “address” or URL of the search engine you want to use
  • 13. For example…
    • You would enter the “address” or URL for a search engine, using browser’s “address” line
    www.looksmart.com
  • 14. General Search Engines
    • AskJeeves www.aj.com
    • Excite www.excite.com
    • Go www.go.com
    • LookSmart www.looksmart.com
    • Lycos www.lycos.com
    • NBCi www.NBCi.com
    catalogue information from a variety of web sites
  • 15. Speed-rated Search Engines
    • Two search engines that are supposed to be FAST and good for general use
    • Google
    • www.google.com
    • All the Web
    • http://alltheweb.com
  • 16. Metasearch Engines
    • BetterBrain www.betterbrain.com
    • Dogpile www.dogpile.com
    • Infozoid www.infozoid.com
    • Iqseek www.iqseek.com
    • Mamma www.mamma.com
    • OneSearch www.onesearch.com
    • Sherlock Hound www.sherlockhound.com
    • SurfWax www.surfwax.com
    • Webcrawler www.webcrawler.com
      • search multiple search engines simultaneously
  • 17. Specialized Search Engines
    • Medexplorer (Medicine)
      • www.medexplorer.com
    • CNET (Technology)
      • www.cnet.com
    • CareerPath (Careers)
      • www.careerpath.com
  • 18. Kids’ Search Engines
    • • AskJeeves for Kids www.ajkids.com
    • • CyberPatrol www.route616.com
    • • CyberSleuth-Kids www.cybersleuth-kids.com
    • • DinoSearch www.dinosearch.com
    • • DMOZ dmoz.org/Kids_and_Teens
    • • Kid Sites www.kidsites.net
    • • KidsClick! sunsite.berkeley.edu/KidsClick!
    • • Yahooligans yahooligans.com/
    • • Zeeks Search www.zeeks.com
  • 19. Searching More Art than Science
  • 20. Five Steps to Effective Searching
    • Choose your words carefully and establish a “search phrase”
    • 2. Know synonyms and varied spellings
    • 3. Know how to widen or narrow your search
    • 4. Know some Web Searching Basics
    • 5. Learn to use one or two search engines well
  • 21. Establish a “search phrase” and choose your words carefully
    • There is a world of difference between searching
    • “ Hate Crimes”
    • and
    • “ Anti-Hate Crime Legislation”
  • 22. Know synonyms and varied spellings
    • “ Hate Crimes”
    • are often also called “crimes that violate civil rights” or
    • “ Civil Rights Violation Crimes”
    • With some topics, know alternative spelling—
    • color might be colour
    • theater might be Theatre
  • 23. The right “search phrase” can make a world of difference
    • Anthrax
      • Produced 228,000 hits in .15 seconds on Google
    • “ cutaneous anthrax”
      • Produced 7 hits in .17 seconds on Google
  • 24. Prioritize the terms in your search phrase
    • Some search engines will produce results by word order, with the first term being most important
    • “ Atlanta zoo” +pandas
    • pandas +“Atlanta zoo”
    • could produce different results on
    • some search engines that search
    • by word order
  • 25. Other tricks to know when searching
    • Use lower case when searching Example: ibm, imac, nato
    • Use multiple words to narrow search Example: “great lakes” and shipping
    • Use similar words Example: lesson, tutorial, class, seminar
    • Use plus and minus signs for “and” and “not”
  • 26. Use a combination of “tricks”
    • Examples
    • "marine mammals" –whales
    • computers workstations +network +security
  • 27. A recent search experience
    • What I was looking for:
    • Lesson plans for Intermediate grades that show the elements of of a short story—plot, characters, etc.
    • What I used as a search phrase:
    • "Language Arts" +intermediate +lessons +short story
    • What results that produced:
      • First (best) hit was an index:http://www.col-ed.org/cur/lang.html of about
        • At home, on a 56K modem, using Google
        • 2420 results in .14 seconds
        • First (best) hit was an index
  • 28. What to do when your search produces too many results
    • Try to be more specific by adding more keywords
    • Try to use as many relevant keywords as possible; it will help to narrowly identify what you're looking for.
    1,742,598 results
  • 29. What to do when your search produces insufficient (or no) results
    • Make sure your spelling is correct
    • Broaden your search; use fewer keywords, or add synonyms
    • Try variations on words
    • Use a metasearch engine