eng 101 finding information martin j. crabtree mccc library november 2004
TRANSCRIPT
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ENG 101
Finding Information
Martin J. Crabtree
MCCC Library
November 2004
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Agenda• Finding books
– The College’s Card Catalog– Library of Congress vs. Dewey System
• Electronic Searching– Keywords & Boolean Searching
• Electronic Databases at Mercer– What’s a database?– Databases available through Mercer Library– Accessing the databases
• Web Information– Searching– The Invisible Web– Evaluating what you find
• Your turn to use the databases
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Using The Card Catalog• The catalog is available
online. Used to find books, videos and other material both in the MCCC collection and the Mercer County Public (MCL) libraries.
• You can have materials from MCL brought to the college. Deliveries arrive Tuesday and Friday afternoons. (DVD’s not available from MCL)
• You will need to have your student ID card to borrow books or use the library’s computer lab
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Finding Books
• Unlike school and public libraries, MCCC uses the Library of Congress (LC) system.
• The LC is an alphanumeric system, for example– HE9760-9900: Air transportation
[business focus] – TL500-780: aeronautics
[technology focus]• TL515-550: Aeronautics - History
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Periodicals
• Periodicals include:– scholarly journals– newspapers– Magazines
• Periodicals represent the bulk of published scholarly information.• The library has a number of periodicals available in
print, on microfilm, and especially via electronic databases.
• The library staff can help determine if a specific
periodical is available from the library.
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Scholarly vs. Popular Periodicals
Different publications targeted to different
audiences
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Scholarly vs. Popular Periodicals
Scholarly• Purpose is to inform the
scholarly world of original research in a given field
• Has a serious format
• Contains many graphs & charts few photos
• Regularly uses footnotes and bibliographies
• Written by scholars or researchers
Popular/General Interest• Purpose is to inform,
entertain and/or sell to a wide audience
• Attractive/slick appearance
• Frequently uses photos and a few graphs & charts
• Rarely uses footnotes or bibliographies
• Written by staff or freelance writers
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Scholarly vs. Popular Periodicals
Scholarly• Uses the terminology and
jargon of the subject, assumes reader knows it
• Published by professional or educational organizations
• Contains little if any advertising
• Examples: Annals of Microbiology, Journal of Abnormal Psychology
Popular/General Interest• Rarely uses subject
terminology or jargon, when used, contains explanation
• Published by commercial enterprises for profit
• Extensive inclusion of advertisements
• Examples: Newsweek, People, Psychology Today
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Searching Electronic Databases
And The Web Too
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Starting An Electronic SearchKeywords
• Keywords are used when searching electronic databases and web search engines
• First step - Generate a list of words (keywords) that describes or is commonly used when discussing your topic. For example:– Ozone– Layer– Depletion– Atmosphere– Hole
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Starting An Electronic Search
Boolean Searching/Logic
• Boolean searching - Connecting keywords with the terms– and– not– or
• For example– eagles NOT football– (car or automobile) and exhaust
• More Terms = Fewer “Hits”
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Searching More Than Just Keywords
Phrases & Truncations• To search for a phrase, use quotation
marks– “survival of the fittest”
• Truncations allow for searching related words all at once– The * is usually used. For example:
• “child*” would include: child, children, childhood, childproof, etc.
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Electronic Databases at the Mercer Library
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What are electronic databases?
• A collection of electronically searchable information (frequently, but not limited to, periodical articles) that is accessible via the internet
• Access to this information is by subscription only, paid by the library.
• It is accessible via the internet, but it is not truly web information.
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Electronic DatabasesIn General
• Over 40 databases available• Not every article is available full text
though many are• Abstracts (summary) is often
available when full text is not
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Electronic DatabasesIn General
• Accessible at any computer on the MCCC & JKC campus network
• Most are available off campus, need to request a password (forms available after this class).
• Can print/e-mail/download articles
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Getting to the databases
• Use the library quick link at mccc.edu to get to the library’s homepage
• Go to the “Online Databases & Search Engines” link (in the left column) of any of the library’s web pages.
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Databases with aviation information
• EBSCOhost - Academic Search Premier - Broad collection covering many subject areas. Not every article full text, some need Acrobat Reader to view
• Academic Universe (Lexis-Nexis) – News: Collection of newspaper information from around the US, nearly all full text
• Literature Resource Center - Reviews, criticisms, and biographical info. on a number of authors and their works
• Biographies Plus - Biographical information of noted people in a wide range of fields.
• N. Y. Times Historical Newspapers– Articles from 1851 – 2000
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Searching the World Wide Web
How can I find what I want?
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Some things to consider when searching the web
• Everything is NOT on the web and may never be.
• No search engine covers the entire web.
• The quality of the information on the web varies greatly.
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Searching the World Wide Web
Search Strategy• Searching the Web is much like database
searching:– Put together a list of keywords describing the
information you desire– Use Boolean logic (and, not, or) to better define
your search, use double quotes for phrases, etc.
• When searching the web, also:– Consider which search engines/sites may best suit
your search needs. Different search engines yield different results.
– Use the search engine’s “advanced search” to select limiting parameters (language, date, domain, etc.)
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Evaluating Web Information
Is this stuff any
good?
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Evaluating Web Sites
• Quality varies greatly from site to site
•YOU are the sole evaluator of the quality of information a site provides
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Five Evaluation Criteria1. Accuracy - is it reliable?2. Authority - is author qualified on subject?3. Objectivity - is the information biased?4. Currency - is the information “new”
enough?5. Coverage - does the info completely cover
the topic?
• Search engines may put you out of context, go the home page or the “about us” page to help evaluate the site
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The Bottom Line…
Buyer Beware• The web contains a vast amount of
information… but not everything
• Anyone can put information on the web, hence the quality of web information varies greatly
• YOU will often be the only person to decide if the quality of the info you find on the web is good