Transcript Unit C: Computer Software

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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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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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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Identifying the Right Keywords
Identify Keywords
~ determine which words
will best return the results
you need
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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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Citing Online Resources
Two widely accepted citation formats are:
MLA (Modern Language Association)
APA (American Psychological Association)
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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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