1 / 48

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.

jameseddy
Download Presentation

Some Useful Search Strategies

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  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.

More Related