Web Searching Slideshow - Mariemont City Schools

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Transcript Web Searching Slideshow - Mariemont City Schools

Searching the Web
Or
How NOT to Get Lost In
Cyber Space
Information Sources
On the Web
Search Engines
 Metasearch Engines
 Directories/Subject Directories

Online Databases
Books (from the online catalog –OPAC)
Before You Start
Think about your topic
Choose some key words that will lead you to the
best searches
In keyword searches, start by working with no
more than 2 or 3 search tools
If at first you don’t succeed, try, try again


Adjust the search to include other key terms or phrasings
Don’t be satisfied with the first piece of information you find
Keyword Search Operators
Boolean Terms

And (+) Requires
that both terms are
present somewhere
within the document
being sought.
http://school.discovery.com/schrockguide/whattodo97/sld010.html
Boolean Word: Or
Requires that at least
ONE of the terms is
present
http://school.discovery.com/schrockguide/whattodo97/sld011.html
Boolean Word: Not
Excludes any
document containing
the term
http://school.discovery.com/schrockguide/whattodo97/sld012.html
Other Search Operators
Phrases
Words enclosed within
quotation marks denote an
exact phrase. It is similar to
the Boolean NEAR. It is
treated as a single term
Case sensitive
Proper names use upper
case
Use lower case for query
terms
Truncation
The use of the stem or main
part of a word to search for
variations of the word using
the asterisk
[sing* searches sings, singing,
singer, etc.]
Get to Know Your
Search Engine
Google
AltaVista
Northern Lights
Hotbot
Metacrawler
Web Searching Exercise
1.
What are the 2 species of elephants?
2.
Who played in the 1979 World Series?
3.
From what place did the Ebola virus get it’s name?
4.
Who invented the paper clip?
5.
What is the address of the Empire State Building?