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Learn about evaluating web domains, primary sources, and search techniques for reliable information. Identify primary vs. secondary sources and explore the information cycle. Discover trusted starting points and tools for effective research.
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Utilizing the Web & Primary Sources Chisa Uyeki LIBR 150: F06, Week 4 Start Page
What’s in a domain • .gov, .mil, .us, or other country code (.uk) = government sites • .edu = educational sites • .org = Nonprofit organizations • .com = commercial & everything • But unregulated
Evalution Criteria • Author or creator (check under About or Contact) • Date of creation/update • Footnotes, bibliography, references, or evidence • Active links (for additional info &/or reference) Wiki-warning
Personal Pages • Personal names (Lbrown or samsmith) after % or ~ • Creator’s credentials or authority • Know what you’re looking at
Evaluation Resources • Consumer Report’s Webwatchhttp://www.consumerwebwatch.org/ • Google • alexa for traffic info http://alexa.com/
Trusted starting places • Infomine http://infomine.ucr.edu/ • Librarian’s Index to the internet http://www.lii.org • Internet Public Library http://ipl.sils.umich.edu/
Searching the Web • Free vs. fee • Visible vs. Invisible web (more visible now) • Not searching whole web • tool’s dbase
Search Engines Spiders Full-text & cache Unevaluated Subject Directories Human selection Organized by subject Some abstracts/desc. Meta Searches 1-stop shopping Less control Often exclude Google results Databases Mostly invisible Thru Library Web Dynamically generated (by you!) Search tools
From: Diablo Valley College, Identifying Primary, Secondary, and Tertiary Sources, http://www.dvc.edu/library/libweb/primary_and_secondary_sources.htm
Primary vs. Secondary What’s the difference? Primary Sources: • Firsthand testimony or direct evidence • Contemporary accounts • Original documents Secondary Sources: • A step removed from event or phenomenon • Provide interpretation of primary sources Both come in a variety of formats
Information Cycle • Timeline of Information Creation
Thinking about Primary Sources • What are the primary materials of your own life?
Includes (but not limited to): Addresses Events Pictorial works Autobiographies Eyewitness Personal narratives Correspondences Interviews Diaries Letters Speeches Documents Memoirs Transcript Evidence Oral history Primary Resources: What are they?
Where are they?Sources for Primary Resources Depends upon the format of the resource… • Start with background information • Library catalog • Archival Collections and Special Collections • Newspaper indexes or databases • Reference resources
Primary Resources Online • CSULA Library: What are Primary Sources? http://www.calstatela.edu/library/bi/hyu3/pswhat.htm • LA, Past, Present & Future • Historical Los Angeles Times (and other databases) • Los Angeles Public Library Photo Archive
Resources • Evaluating Web Pages: Techniques to Apply & Questions to Ask (http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/Evaluate.html) • Searching the Internet (http://www.lib.berkeley.edu/TeachingLib/Guides/Internet/FindInfo.html)