T L W Smart Searching
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T L W Smart Searching

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A brief slideshow featuring smart-searching techniques.

A brief slideshow featuring smart-searching techniques.

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T L W Smart Searching T L W Smart Searching Presentation Transcript

  • Finding the Needle in a Haystack “ Smart Internet Searching” Pam Krambeck Papillion-La Vista Schools [email_address] Web site: plv . ishareinfo . org/pkrambeck (handout, docs & presentation under documents)
  • Gathering Internet Resources & Information With Students:
      • Finding information on the internet is not unlike using a rake to find a needle in a field full of haystacks.
      • Now, imagine the haystacks getting bigger by the day!  
      • If you could you would use a special magnet that would automatically, quickly and effortlessly attract that needle for you.
  • Gathering Internet Resources & Information With Students:
      • The "needles" in this metaphor are the key information pieces you or your students seek for a project or research.
      • “ Smart Searching Techniques” will be the magnet that attracts the information you are seeking "from the enormous haystack of information" .
    View slide
  • Search Engines Serve a Role— A Limited Role
      • Commonly referred to as "spiders" or "crawlers"
      • Search the web for new pages at all times
      • Are automated and index many sites
      • Often find information not listed in directories
      • Often pull up unrelated information for the topics
      • Web Search Engines Include:
        • Yahoo Search Engine (it also has a directory)
        • Lycos
        • Ask.com
        • Google
        • MSN Search
        • Alta Vista
    View slide
  • Public Search Engines
      • Use advertising to finance their sites
      • Display search results based on predetermined factors--could be advertising dollars
  • Search Directories
    • index a site based on an independent description
    • do not spider your site to gather information about it
    • organizes sites by subject
    • usually maintained by humans instead of software
    • web search directories include:
        • Yahoo Search Directory
        • Yahoo! Kids (formerly Yahooligans!)
        • About.com
  • Refine Your Search--Use Advanced Features
    • narrow search results
    • located to the right of the search blank at most sites
    • provide a number of options
    • specify an exact phrase to include or exclude
    • examples: Google , Yahoo
  • Search Engine Math
    • Addition: Using the + Symbol
    • For example, to find pages that have references to both Nebraska and Buffalo Bill Cody on the same page. You could search this way:
    • +Nebraska +Buffalo Bill Cody
      • Results: 1,020,000 vs 233,000
    • Subtraction: Using The - Symbol to Subtract Using the - symbol will find pages that have one word but not another.
      • For example, to find information about penguins
      • not including pages relating to the hockey team. You could search this way : penguins -hockey
      • Results: 13,400,000 vs 2,270,000 add “macaroni penguin”+ habitat (683)
    • Multiplication: Quotation marks “ ” work like multiplication--they allow you to combine words into a searchable phrase
      • For example, if you were looking for information on Platte River State Park the easiest way to find information that contains this phrase is to search:
      • “ Platte River State Park”
      • Results: 1,280,000 vs 777
  • Boolean Searching
    • used for searching through traditional databases
    • comfort level in using what is already familiar
    • Boolean commands must be in uppercase
    • OR: used to allow any of the specified search terms to be present on the web page
    • Buffalo Bill Cody OR William Cody OR Buffalo Bill
    • AND: used to require that all search terms be present on the web page--using the + symbol is generally a good alternative.
    • Wild West Show AND Buffalo Bill
    • NOT: used to require that a search term NOT be present on web pages listed in results. It can also be described as an Exclude search.
    • Buffalo Bill Cody NOT Wyoming
    • More Resources
      • http://www. searchengineshowdown .com/newsarchive/000629.shtml
      • http://library.albany.edu/internet/boolean.html
      • http://www.infotoday.com/searcher/feb98/story1.htm
  • Domain Specific Searches
    • Searching specific domains is helpful if you want to exclude .com sites
    • Know your domains: .edu, .gov, .org, com
    • Google & Others: use site:domain in the search box
      • Example for Google: “Marzano’s Strategies” + site:edu
    • Alta Vista : use host:domain in the search box
      • Example for Alta Vista: “Marzano’s Strategies” + host:edu
  • What’s in a (Domain) Name
    • .com and .net are examples of extensions
    • extensions are an important part of domain name
    • extensions shows who publishes the domain
    • common extensions
      • .edu Educational organization (most US universities)
      • .k12 US school site (not all US schools use this)
      • .ac Academic institution (outside of US)
      • .sch School site (some schools outside of the US use this)
      • .com Company (usually .co in the UK)
      • .org Any organization
      • .gov Government agency
      • .net Network
      • .mil Military institution
    • extensions can also include country codes
      • .uk, .ca, .za
      • For a complete list refer to the Computer User High-Tech Dictionary: http://www.computeruser.com/resources/dictionary/noframes/nf.domains.html
  • Links to Tutorials & Resources
    • Internet Searching Strategies : Rice University offers several tutorials on creating a search strategy and evaluating results.
      • http://www.rice.edu/fondren/tmp/netguides/strategies.html
    • Searching the Internet: David Warlick has created a site for teachers that includes this series on how to search the Internet.
      • http://www.landmark-project.com/fotb/search1.html
    • Finding Information on the Internet : Tutorial based on workshops taught at the University of California at Berkeley.
      • http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/FindInfo.html