searching online databases -- demo
for exercises click
here
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general information |
- What is a database?
it is an electronic index of: magazines, newspapers, multimedia, books, +
- A database can be searched by:
keyword
subject
author
title
and be limited by year(s)
and over 25 other criteria !!!
- What is a truncation?
it is a symbol [ * (Shift / 8) ] you can combine singular and plural in one search!
Example:
Soil = 14,000 mag citations, also references
Soils = 2,600 mag citations
Soil* = 17,500 mag references
NOT always
Pen = 13,000 mag citations
Pens = 3,800 mag references
Pen* = too many citations - therefore not listed |
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database |
- General Reference Center Gold
> this is a general interest database that
integrates a variety of sources - magazines, newspapers, multimedia, books, etc.
> you can find articles on current events, the arts and sciences, hobbies, and much more
> date range: 1980 - 2009 |
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basic search |
- Keyword vs. Subject Search:
Keyword:
Adoption = 15,800 citations
[ a keyword could apply to anything and to people ]
Subject:
Adoption = 1,250 references
[ the subject here applies only to people and animals ]
[ a subject narrows the search ]
Result:
> it looks that a subject search brings better results!
- Author search:
Kayla Webley
- Title search:
Thailand: Orphaned Elephants |
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advanced search - using boolean operators |
- What is a Boolean Operator?
> used if you need to combine two or more terms in one search
- Search Topic: The Effect of Television on Children
Keywords are: effect television children
< Advanced Search >
Type:
effect
television
children
Result:
101 articles in magazines
33 articles in academic journals
34 newspaper articles
Total = 168 references [ these are too many ]
limited by year
< between > January 2001 and December 2009
Result:
19 articles in magazine
9 articles in academic journals
31 articles in citations in news items
Total = 59 articles
- Illustrating: AND OR NOT
WILDCARD NESTING
Research 101 - University of Washington |
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database access |
General Reference Center Gold :
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Wolfhard Touchard, M. L. S. Retired Reference & Database Librarian
Andrews University - November 2009 |