Transcript Deloris` web searching strategies powerpoint

Web Searching Strategies
An Introductory Curriculum for
Students and Teachers
Introduction to Search Engines
• Who owns the Internet?
• Why should you learn how to search the
web?
• What is a search engine?
• What is your favorite search engine or the
search engine you use the most?
Word Spelling
• How does spelling of keywords affect a search?
• How do capital letters in keywords affect a
search?
• How does making keywords plural affect a
search?
– Clod
– CLOUDS
– Cloud
(Use two different search engines and compare results)
Word Order and Synonyms
• How does the order of keywords affect a
search?
• How does using a synonym affect a
search?
– Precipitation vs. Rainfall
Refining a Search
• How do quotes around keywords affect a
search?
• How does the minus (-) symbol affect a
search?
– “weather records”-hurricanes
Organizing Keywords
• How do you organize keywords for a search?
– Identify a search topic.
– Make a list of keywords to clarify the topic.
– Create search groups, then search the Web and
review the results.
• How do you narrow a research statement?
– Prepare a research statement.
– Select keywords from the statement.
– Create search groups, then search the Web and
review the results.
Citing Web Resources
• How is information from the Web cited?
– Author’s last and first names
– Title in quotes
– Date of document or visit
– Web site address
Example: Bernst, Ken. “Water on Mars?”
4 June 2003. www.solarnews.org.
Searching for Images
• How can a search engine be used to fine
images?
• Can search engines be used to find specific
kinds of images?
• How does spelling of keywords affect an image
search?
• How does using synonyms affect an image
search?
• How does placing quotes around keywords
affect an image search?
Evaluating Web Sites
• What are some useful questions to ask
when evaluating a Web site?
– Does the Web site provide:
• Identification of the author or sponsoring
organization?
• A way to contact the author or sponsoring
organization?
• Information about when the site was perpared or
revised?
• Current information?
• Accurate information?
Evaluating Web Sites
– Does the Web site provide:
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Information that seems biased?
Information that is easy to read?
Clearly labeled pictures or drawings?
Information that may be difficult to find using other
library resources?
• Enough information to make the site worth visiting?
Subject Directories
• What is a subject directory?
– Library books are organized on shelves by
subjects. Some search engines provide lists
of subjects arranged in a subject directory.
•Do different directories produce similar lists
of titles for subjects?
– Subject Directories for Kids
•www.yahooligans.com (Yahooligans)
•www.ajkids.com (Ask Jeeves Kids)
Subject Directories
– Subject Directories in Search Engines
• www.google.com (Google)
• www.altavista.com (Alta vista)
References
• Miller, Sam. “Web Searching Strategies:
An Introductory Curriculum for Students
and Teachers” 2003 ISTE
• Refer to the handout in the notebook: The
Five W’s of Web Site Evaluation