Searching The Web
There are many ways to find information on the Internet. It will save
you time if you know the following information:
Search Tools: Top
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subject directories
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are human-selected Internet resources that are arranged by topics.
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search engines
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are computer programs (robots) that scan the contents of the web for
web sites.
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meta search engines
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are search tools that simultaneously search other search engines to
find information.
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invisible web
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are databases, pdf files or other information that usually can not
be accessed by using a search engine or subject directory.
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evaluative search sites
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are short cuts to finding better web sites. Only web sites that have
been evaluated by a librarian or experts in their field are listed.
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Which search tool to use: Top
Subject Directories & Search Engines
Top
There are differences between subject directories and search engines.
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Subject Directory
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Search Engines
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organized by subject
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collected by spiders(automated computer programs
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compiled by humans
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not collected by humans
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may be evaluated
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no evaluation of web sites
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locate web sites by: clicking on a subject and progressively
narrow your search
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locate web site by: typing in a specific terms in the search box
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use when you only have a general idea
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use when you have a focused topic
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advantages: good for beginners - can browse and find resources
on general topics
find more relevant web sites
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advantages: good for finding exact web site with specific
information.
find more web sites connected to your topic
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disadvantages: limited number of web sites indexed
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disadvantages: not all web sites will be relevant
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Search Techniques and Tips:
Top
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Subject search- entire search is on that main concept or topic
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results by using a subject search will be more relevant but broad
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Keyword search - search by using one or more words that appear
anywhere in text or article
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results might be less relevant unless you narrow your search
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Narrow search with:
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Boolean Connectors- include and, or, or and not that connect
search terms and narrow or broaden the search
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Phrase Searching- put entire search terms in quotes(") and it
will only find those search terms that are exactly next to each
other.
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