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All the Web: www.alltheweb.com. SEARCH. DIRECTORIES. Search Directories. Organized by subject ... Directories allow the user to form the search, but may not use common terms. Search ...
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Slide 1:Santa Rosa District Schools Professional Development Center Budgie Latshaw
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Slide 4:Search Engines
An Internet search tool that searches sites for key words Search their own database of information Deploys robots or spiders to find incidences of key words to add to its database
Slide 5:What do the results mean?
Results are presented in order of relevance Relevancy rankings based on a formula Different methods of collection
Slide 6:How do I formulate my search?
Identify important concepts within the question Identify keywords and related synonyms Read the HELP!
Slide 7:Boolean Searches
Using terms to broaden or narrow your search Uses AND, OR, NOT Or +, -
Slide 8:Boolean Examples
Endangered AND species AND mammals NOT bears endangered species mammals AND NOT
Slide 9:Boolean Examples
If you were looking for non-surgical treatments for glaucoma… glaucoma +treatment -surgical
Slide 10:Does the engine support:
Quotation marks? Capital letters? Wildcards, truncations or word stem?
Slide 11:Search Engines
Google: www.google.com Wisenut: www.wisenut.com HotBot: www.hotbot.com Teoma: teoma.com All the Web: www.alltheweb.com
Slide 14:Search Directories
Organized by subject User works down a series of menus Organized by HUMANS Smaller database than engines
Slide 15:Search Directories
Yahoo!: www.yahoo.com Infomine: infomine.ucr.edu The Open Directory: dmoz.org About.com: about.com Librarians” Index to the Internet: lii.org National Directory: www.nationaldirectory.com
Slide 16:Which is better -- an engine or a directory?
Personal preference Directories allow the user to form the search, but may not use common terms Search engines allow the user to use common language, but may lead to lots of hits
Slide 17:Build a Better Query
Use the advanced search feature Use many words, not just a few Search for your target words, and synonyms Search for phrases in quotation Read the search engine’s help files
Slide 18:Did I say?
Read the HELP!
Slide 19:Meta Search Tools
Search tool that uses other engines’ databases “Skims the surface” of multiple databases Typically used after other engines have failed
Slide 20:Meta Search Tools
Slide 21:Meta Search Tools
Dogpile www.dogpile.com Vivisimo vivisimo.com MetaCrawler www.metacrawler.com
Slide 22:Specialized Search Tools
News Engines Library-based Search Tools
Slide 23:Choose the Best Search Engine for Your Purpose
Noodle Tools: Debbie Abilock http://www.noodletools.com/debbie/literacies/information/5locate/adviceengine.html
Slide 24:Search well!