Unit C: Computer Software by HC12092921231

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									 Internet Research: Unit A



Searching the Internet
     Effectively



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Understand Internet Search Tools


Internet search tools are services used
to find information on the Web

Four types of Internet search tools

Each is better for different searches

No search tool searches the entire Web
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Understand Internet Search Tools


  Four types of search tools:

  –   Indexed search engines
  –   metasearch engines
  –   subject guides (directory)
  –   specialized search tools




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Understand Internet Search Tools


search engines
   ~ find Web pages
     containing keywords
     entered in a search form

   ~ index the Web with spiders


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                  Illustrated
Understand Internet Search Tools


metasearch engines
   ~ simultaneously search
     keywords in multiple
     search engines




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Understand Internet Search Tools


subject guides
   ~ offer hierarchical subject
     categories through which
     you navigate to specific links



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Understand Internet Search Tools

Subject Guides:

– Broad view of Internet topics

– Arranged by subject

– Hierarchical organization

– Typically handcrafted

– Professional, academic, & commercial


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Understand Internet Search Tools


specialized search tools
   ~ find Web pages that are
     invisible to other search tools

   ~ intelligent search agents
     query multiple databases
     simultaneously

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        TERMS TO USE

Deep Web (invisible)
  ~ the part of the Web not indexed by
   spiders; also called the Invisible Web;
   probably 500 times the visible Web

Intelligent search agents
   ~ simultaneously search multiple
   specialized search tools



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                    Illustrated
Creating an Internet Research
          Strategy

  Internet Research Strategy
    ~ a plan of action to reach
      your research goals




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Creating an Internet Research
          Strategy
     Define your research topic

  Find background information

          Identify keywords




        Perform your search

                                                    If not satisfied with the results,
                                                     return to an earlier step in the
                                                      process to refine the search
     If satisfied with the results,
   be sure to note the information
 you will need to cite Web pages later

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                           Illustrated
Identifying the Right Keywords


  Identify Keywords
    ~ determine which words
      will best return the results
      you need



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                   Illustrated
Performing a Basic Search


Perform a Basic Search
  ~ enter keywords into
    a search form and
    search for relevant links



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Performing a Basic Search

Websites change frequently―
appearance, design, & even address

If a text box or button in the text has
changed, look for a similar one

If a link indicated in the text is no longer
there, tell your instructor


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       CLUES TO USE

Most search tools allow you to
press ENTER to start a search.

Results vary between search
engines largely because:
   ▪   their spiders search different
       parts of the Web

   ▪   their ranking algorithms for
       results are different.


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       Using Phrases

Use Phrases
  ~ search for two or more
    words in a particular order

Phrase searching
  ~ method of searching to keep
   your words in the correct
   order
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                 Illustrated
     Citing Online Resources


Two widely accepted citation formats are:

    MLA (Modern Language Association)

    APA (American Psychological Association)



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                      Illustrated
     CLUES TO USE
Always assume that everything on the
Web is copyrighted

If you use a fact, quotation, image, or
piece of text from the Web, you must
cite the source

If you do not cite your source, you are
guilty of plagiarism

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                  Illustrated

								
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