Web Search Strategies

Web Search Strategies - Transcript

Where do I find it?
Created by Connie Campbell

Directories or Search Engines
Directories…
•Maintained by humans
•General or Subject Related
Yahoo…General
Elementary Educational Internet Projects
…Subject Related
Search Engines…
•Maintained by computer program
that searches the web and collects
data
•More inclusive than directory
•Keyword searchable

•Identify concepts within your topic
•Identify terms related to those
concepts
•Consider synonyms and variations
of those terms

•Size of the database
•Search features
•Result list features
•Online help screens

•Size: 31 million URL’s
•Simple and advanced searches
(Boolean and truncation)
•Result ranked by relevancy
•Online instructions
Altavista http://altavista.digital.com/

•Boolean and truncation)
•Result ranked by relevancy
•Online instructions
Altavista http://altavista.digital.com/

Boolean (boo le an) Searching
allows you to help refine your
search so you can get better
results using three basic operators:
AND, OR, and NOT.

Science
Lesson
Plans
&
Returns pages with both terms.

Science
Lesson
Plans
or
Returns pages with either terms.

Science
Lesson
Plans
not
Returns pages with one term but not the other.

Truncation (trun ka shun) searching allows you
to help refine your search using the wildcard *
symbol. It provides you the ability to enter part
of a word to make sure you retrieve documents
that contain all parts of that word.
Example: teach* will yield teach, teacher,
teaching

•Size: 50 million URL’s
•Only Simple options at first screen
•Result ranked by relevancy
•Allows Boolean searches
Excite http://www.excite.com/

•Allows searching for Sounds, Pictures, the Top
5% (their opinion), books, and personal
homepages.
•Result ranked by 10, 15, 20, 30 or 40 per page.
•Provides Boolean searches
Lycos http://www.lycos.com/

•Size: 50 million URL’s
•Provides use of double quotations ("-") around
words that must be searched together or
capitalize to find a phrase.
•Refines a search with a "Search only these
results" option.
Infoseek http://www.infoseek.com/

•Size: 50 million URL’s
•Provides for keyword search by "all the
words", "any of the words", "exact phrase",
"the person", "links to this URL" and "Boolean
expression".
•Refines advanced queries, like "Date" -
which limits your search to "last week", "last 2
weeks, "last month”.
HotBot http://www.hotbot.com/

Parallel Web Search Engines are
search engines that do not
maintain their own database, but
search other search engines to
bring results.

Dogpile http://www.dogpile.com
Mamma http://www.mamma.com
Ask Jeeves http://www.askjeeves.com
Metacrawler http://www.metacrawler.com
All 4 One http://www.all4one.com

These search engines are designed
especially for children:
Yahooligans http://www.yahooligans.com
Ask Jeeves for Kids http://www.ajkids
.com

•Translate Speech Alta Vista Translator
http://babelfish.altavista.digital.com/cgi
-bin/translate?

Software Search Engines
Filez http://www.filez.com
Cnet http://cnet.com/cdoor/0,238,1017,00.html?sn.
cn.fd.lftnav.Downloads
Softseek http://www.softseek.com
Shareware http://www.shareware.com

Images and Sounds Search Engines
Lycos Multimedia select
pictures or sounds
http://www.lycos.com/lycosmedia.html
Filez Selection made at drop down screen
http://www.filez.com
. .
Search: Windows-All
Graphics
Wav

Visit Dave’s Virtual Library
with links to an endless variety
of search engines and online
reference tools.