Presentation on theme: "Santa Rosa District Schools Professional Development Center Budgie Latshaw."— Presentation transcript:
Santa Rosa District Schools Professional Development Center Budgie Latshaw
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
What do the results mean? Results are presented in order of relevance Relevancy rankings based on a formula Different methods of collection
How do I formulate my search? Identify important concepts within the question Identify keywords and related synonyms Read the HELP!
Boolean Searches Using terms to broaden or narrow your search Uses AND, OR, NOT Or +, -
Boolean Examples Endangered AND species AND mammals NOT bears endangeredspecies mammals ANDAND NOTNOT
Boolean Examples If you were looking for non-surgical treatments for glaucoma… glaucoma +treatment -surgical
Does the engine support: Quotation marks? Capital letters? Wildcards, truncations or word stem?
Search Engines Google: Wisenut: HotBot: Teoma: teoma.comteoma.com All the Web:
Search Directories Organized by subject User works down a series of menus Organized by HUMANS Smaller database than engines
Search Directories Yahoo!: Infomine: infomine.ucr.eduinfomine.ucr.edu The Open Directory: dmoz.orgdmoz.org About.com: about.comabout.com Librarians Index to the Internet: lii.orglii.org National Directory:
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
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 engines help files
Did I say? Read the HELP!
Meta Search Tools Search tool that uses other engines databases Skims the surface of multiple databases Typically used after other engines have failed