Searching on the Internet

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Presentation transcript:

Searching on the Internet A Selection of Tools And some caveats © 2008 D. J. Foreman

Search Features Case Sensitivity Date Limits Boolean Operators (+, -) Phrases Nearness Wildcards Concept searches © 2008 D. J. Foreman

Results Relevancy Duplication Elimination Search Refinement Multi-page output/count limitations Meta-tag searches included © 2008 D. J. Foreman

Validity of Sources Author Timeliness Accuracy Objectivity Purpose © 2008 D. J. Foreman

Virtual Libraries The Internet Public Library Library Catalogs www.ipl.org Library Catalogs http://sunsite.berkeley.edu http://library.lib.binghamton.edu © 2008 D. J. Foreman

Search Portals www.Lycos.com www.go.com www.Excite.com www.hotbot.com www.WebCrawler.com © 2008 D. J. Foreman

Search Engines www.google.com www.yahoo.com www.ask.com (contextual) © 2008 D. J. Foreman

Meta-Search Tools www.metacrawler.com www.vivisimo.com (from CMU) www.dogpile.com © 2008 D. J. Foreman

Some Other Useful URL's www.hotfiles.com - freeware www.wired.com – wired news Global Energy Marketplace http://www.crest.org/gem.html MacTutor History of Mathematics http://www-history.mcs.st-and.ac.uk/history/ Occupational Outlook Handbook http://www.bls.gov/oco/ Geothermal Data http://rglsun1.geol.vt.edu/ Special search engine collection http://www.leidenuniv.nl/ub/biv/specials.htm Specialty Search Engines http://searchenginewatch.com/showPage.html?page=2156351 © 2008 D. J. Foreman

Hints Broad subject matter (astronomy, finance) Narrow subject matter Use a portal like Yahoo Narrow subject matter Google, Altavista, etc. Use more than 3 words Don't use "of", "the", etc Use a quoted phrase Check your spelling !!!!! © 2008 D. J. Foreman

Hints-2 Use + to require a word Use – to be sure a word does NOT appear Use AND to require two or more words © 2008 D. J. Foreman