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Some Useful Search Strategies

Some Useful Search Strategies. Building Blocks -> Analyze and Associate Citation Pearl Growing -> Find the “Hub” Interactive Scanning -> Forward and Backward Chaining Others -> Use Unique Words, Phrase Search, Boolean etc. Recommend Steps for search.

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Some Useful Search Strategies

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  1. Some Useful Search Strategies • Building Blocks -> Analyze and Associate • Citation Pearl Growing -> Find the “Hub” • Interactive Scanning -> Forward and Backward Chaining • Others -> Use Unique Words, Phrase Search, Boolean etc.

  2. Recommend Steps for search • ANALYZE your topic to decide where to begin • Pick the right starting place by defining your topic’s features • Learn as you go & VARY your approach with what you learn • Don't bog down in any strategy that doesn't work. • Return to previous strategies better informed www.lib.berkeley.edu/TeachingLib/Guides/Internet/Strategies.html

  3. Tips for analyzing your topic-- Does your topic • Have distinctive words or phrases? • Seek an overview or cover a broad topic? • Specify a narrow aspect of a broad or common topic? • Have synonymous, equivalent terms, or variant spellings or endings that need to be included? • Have you a little confused? NEED guidance.

  4. Defind YOUR TOPIC'S FEATURES • Search Engines & Meta-Search Engines • Google, AltaVista, Nothernlight Power • Copernic, http://www.copernic.com

  5. Defind YOUR TOPIC'S FEATURES • Subject Directories & Gateway Pages • Librarian’s Index, www. lii.org • Informine, informine.ucr.edu • Academic Info, www. academicinfo.net • About.com, www.about.com • AlphaSearch, www.calvin.edu/library/searreso/internet/as/

  6. Defind YOUR TOPIC'S FEATURES • Specialized Databases “Invisible Web” • http://www.searchability.com/popular.htm • Find an Expert • Email the author • Discussion Group,e.g. Liszt(www.topica.com) • An expert

  7. Boolean • BOOLEAN LOGIC • Way to combine terms using "operators" such as "AND," "OR," "AND NOT" and sometimes "NEAR." AND requires all terms appear in a record. OR retrieves records with either term. • children AND television AND violence • “biomedical engineering” AND NOT “department of” • (women OR female) AND networking

  8. Truncation • Children, child, childhood • Use Child* • See the specific instructions for each search tool.

  9. Sub-searching • Censorship as an aspect of Ethics in Journalism • Search Censorship and Journalism Ethics at the same time

  10. Evaluation of Information Sources • Will discuss latter

  11. IV.How to Find Information on the Internet

  12. How Much Information? • The Largest Library in the World • Search 118 million items • The Largest Database in the World • Search 900 million full-texts • The Largest Search Engine in the World • Search 1,345 million web pages

  13. Complexity of the Web Media Text, image, sound, audio, music, video ... Subjects Sci & tech, business, news ... Structures Descriptive, procedural, semantic ... Systems Email, WWW, database ... Goals Communication, entertainment, education ... Cultures Demographic, language, habits ...

  14. Internet Resources with Various Subjects • Search engines, e.g. Yahoo • Computer industry, e.g. Microsoft, Adobe, SUN, Apple, IBM, HP, Intel • Media, e.g. CNN • Business, e.g. Bloomberg Online • Newspapers, e.g. USA Today, New York Times, Washington Post • Government, e.g. White House

  15. Internet Resources with Various Subjects • Sci & Tech, e.g. NASA • Bookstores, e.g. Amazon • Natural Sci, e.g. MapQuest, The Weather Channel, Nature • Entertainment, e.g. Disney, MTV, Discovery • Sport, e.g. ESPNET sportzone, NBA

  16. Internet Resources with Various Subjects • Travel, e.g. City Net • Medical Sci, e.g. NIH, NLM • Professional societies, e.g. IEEE, ACM • Libraries, e.g. NLM, LC • Magazine, e.g. Wall Street Journal • University, e.g. UC Berkeley, Stanford, MIT • Arts, e.g. Smithsonian Institution • Publishing, e.g. Macmillian Computer Publishing, DK Internet Resources with Various Subjects

  17. Different Web Search Models • Yahoo, Kimo • Manual recommendation in index space • AltaVista, Openfind • Full-text pattern matching in document space • Google • Citation information in document space • AskJeeves • Q&A (or FAQ search) in specific domains • Others • metacrawler, want2, AltaVista, FindSounds, northernlight, toget, dejanews, mySimon etc.

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