Finding Information Using the Internet to search.

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Finding Information Using the Internet to search

Transcript of Finding Information Using the Internet to search.

Page 1: Finding Information Using the Internet to search.

Finding Information

Using the Internet to search

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Finding Stuff on the Web...

Step One is to understand the difference between– Internet Providers– Browsers– Search Engines

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Internet Service Providers (ISPs)

Provides access to the Internet– Are national providers such as IBM, GlobalNet,

AOL– Are local providers such as Imperium

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Internet Browsers

Need a browser to use and see the Web Browser software interprets HTML and

allows you to see the document page Common browsers are Microsoft Explorer,

Firefox and Safari

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Meaning of a URL (unique resource locator)

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Search Engines

Software that searches an index and returns matches– Directory or Index--Finds web pages and

returns lists of pages which match the query– Usually compiled manually by submission– Google is an example

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Meta Search Engines

Meta search engines pass queries on to other search engines and then summarizes the results.– Dogpile, Ask Jeeves, Altavista

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Using Boolean Searches

A Boolean search allows the inclusion or exclusion of documents

Uses AND (+), NOT (-), or OR

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Using ORI want information about college

Colleges Universities

OR--looks in both

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Using AND

I’m interested in the relationship between crime and poverty.

Crime Poverty

AND--selects ONLY the shaded area

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Using NOT

I want to know about radiation NOT nuclear radiation.

Radiation NuclearRadiation

NOT--will give you information about radiation but eliminates anything about nuclear radiation

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Using “quotation marks”

Want information about the Lincoln Penny Type in Lincoln Penny and you get all

information about Lincoln and about pennies

Type in “Lincoln Penny” and it gives only information about Lincoln pennies

Like putting in an AND--but better

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What if you get NO results

Check spelling Try synonyms or word variations Be less specific--use fewer connectors Try a different search engine

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What if you get TOO MANY results? Try to be more specific Use as many keywords as possible

Be more selective--X out what you don’t need

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Server problems?

Try again in a few minutes Use a less busy time of day Check your spelling URL may be case sensitive Make sure no spaces

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Scan, Focus, Act

Scan--Select what you need--Know what you don’t need--clip, copy, print

Focus--Make sure you’re using the right tool for task--(Michael Jackson’s latest CD)

Act--Plan before you start--

Adapted from Frank Burns

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Happy Searching

Searching is

FUN!