Maximizing Internet Search Engines

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from June 2003 class for Capacity Building for Health Promotion Workshop - MN Dept of Health

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  • Introduce self Make sure everyone can hear Tell them to interrupt and ask questions Go over handouts
  • Maximizing Internet Search Engines

    1. 1. Maximizing Internet Search Engines Instructor: Melissa Rethlefsen Capacity Building Workshop June 18 th -19 th , 2003
    2. 2. Agenda <ul><li>About search engines </li></ul><ul><li>Searching tips </li></ul><ul><li>Other places to search </li></ul><ul><li>Practice </li></ul>
    3. 3. What are Search Engines? Databases of full-text web pages
    4. 4. Searching the Whole Web? Impossible!
    5. 5. Search Engines at Work <ul><li>“Spiders” collect information </li></ul><ul><li>Information is old </li></ul><ul><li>You search the collection </li></ul><ul><li>Must guess at keywords, terms </li></ul>
    6. 6. Think About Your Search… <ul><li>Descriptive Terms/Keywords </li></ul><ul><li>Specific or General Information? </li></ul><ul><li>Equivalent Terms, Variant Spellings? </li></ul>
    7. 7. Learn About Your Engine All Engines Work Differently
    8. 8. Recommended Search Engines <ul><li>Google </li></ul><ul><ul><li>The best and largest search engine </li></ul></ul><ul><li>AllTheWeb </li></ul><ul><li>AltaVista </li></ul>
    9. 9. Search More Than 1 Place All Engines Have Different Information
    10. 10. Try a MetaSearch Engine Multiple engines, analysis tools SurfWax, IxQuick, Vivisimo
    11. 11. Use Multiple Keywords Health promotion – 2,560,000 Health promotion marketing – 924,000 Health promotion social marketing – 517,000 Health promotion social marketing asthma – 15,600 Health promotion social marketing asthma adolescents – 3,780 Health – 101,000,000 Health - 101 million Health promotion - 2,560,000 Health promotion marketing - 924,000 Health promotion social marketing - 517,000 Health promotion social marketing asthma - 15,600 Health promotion social marketing asthma adolescents - 3,780
    12. 12. Quotation Marks Proper Names, Distinct Phrases “Public Health Nursing” “American Journal of Health Education” &quot;Capacity Building&quot;
    13. 13. “ Learn the Lingo” Use Boolean Query Language for Better Results AND, OR, NOT
    14. 14. Boolean Queries… &quot;Social Marketing&quot; &quot;Health Promotion&quot; AND OR
    15. 15. Variant Terms and Different Spellings “High blood pressure” OR hypertension Pediatrics OR paediatrics
    16. 16. Exclude Words monkey pox NOT chicken
    17. 17. Use Advanced Searches <ul><li>Advanced Search Form </li></ul><ul><li>Boolean Querying </li></ul><ul><li>Stemming/Truncating </li></ul><ul><li>Domain/Site Limits </li></ul><ul><li>Language Limits </li></ul>
    18. 18. Install a Toolbar Google’s Toolbar for IE: <ul><li>Much More!!! </li></ul><ul><li>Highlights Terms </li></ul><ul><li>Shows Relative “Rank” </li></ul>
    19. 19. Try the Elusive Invisible Web
    20. 20. What’s Wrong With Search Engines? <ul><li>90% of Internet hidden </li></ul><ul><ul><li>Spiders can’t recognize </li></ul></ul><ul><ul><li>Only exists dynamically </li></ul></ul><ul><ul><li>Must authenticate </li></ul></ul>
    21. 21. Finding the Hidden Information <ul><li>Subject directories list specialized databases </li></ul><ul><li>Search engines with: </li></ul><ul><li>keywords AND “database” </li></ul><ul><li>Use an Invisible Web directory </li></ul>
    22. 22. Go to Your Library! <ul><li>Authenticated databases </li></ul><ul><li>Online journal article access </li></ul><ul><li>High-quality information </li></ul><ul><li>Expert help </li></ul>
    23. 23. And Most Importantly… Adapt and Change Your Strategy
    24. 24. Using Google: The Best of the Best
    25. 25. Find Information On… Most Recent Update of the CDC’s Definition of SARS
    26. 26. Find… Photographs of Sexually Transmitted Diseases
    27. 27. Find A… Pamphlet for Educating Spanish-Speakers About Pap Smears
    28. 28. Locate… The Google Toolbar Installation Files and Instructions
    29. 29. Find a Specialized Database On… Toxicological Effects of Chemicals on Humans
    30. 30. Find A… Photograph of Lungs Damaged from Smoking
    31. 31. Find a Curriculum for… Teaching Adolescents About AIDS

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