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Published byCory Bell Modified over 9 years ago
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Goals: Decrease number of search results Increase number of relevant results Method: Use any of several search tips and commands Search engines vary in terms of the commands they support
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Use several search terms, not one ‘Easter bunny origin’ not ‘Easter’ or ‘Easter bunny’ Be specific ‘dog training,’ not ‘animal training’ Use synonyms to get more results ‘losing,’ ‘lose,’ ‘reduce,’ ‘reduction’ Use lower case, unless case is important (e.g., NeXT Software)
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“Search engine math” Basic tips to improve your search Field searching Search for terms within specific parts of the document (e.g., title) Boolean and other advanced commands (e.g., AND, OR) Search assistance and display features Features of the engines, themselves
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Include term (+) To ensure word is included in search e.g., +camping +Arkansas Exclude term (-) find pages that have one word on them, but not another word e.g., +apples -computer Phrase (“_”) e.g., “social psychology”
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Match any term Automatic at most (see handout) Match all terms Use + or menu; automatic at some Truncation/Wildcard (*) To find all forms of a word archaeolog* (-y, -ical, -ist) Stemming: finds all forms based on the stem automatically
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Title search -- to search for words w/in titles of web pages e.g., +title:elephant +species Site search -- to search w/in documents on a specific site e.g., domain:memphis.edu psychology URL search -- to search within the text of URLs e.g., url:memphis.edu
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Link search -- to search for pages that link to a particular page or domain e.g., link:psyc.memphis.edu/students/../ Limit by language Search for documents in a particular language Limit by date pages were created or modified
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AND returns pages containing all search terms joined by AND e.g., Mars AND planet AND life OR returns pages containing any or all search terms joined by OR e.g., “bed and breakfast” or inn NOT returns pages containing the first but not the second term e.g., clinton NOT lewinsky
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NEAR returns pages containing keywords near each other on the page e.g., psychology NEAR history (distance can be specified in LY & WC) Nesting Boolean commands provides for complex queries e.g., psychology AND (social OR cognitive)... If no parentheses... (psychology AND social) OR cognitive
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Examples: (cat* OR feline*) AND “endangered species” +title:psychology +dream* -Freud* “star trek” -voyager -“deep space nine” -“next generation” Works only if search engine supports each command, obviously
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Related Searches Search engine provides related searches after a search is complete Find Similar Provides ability to find other pages that seem similar to those you like Search Within Do a second search within results already generated
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Ability to sort results by date (created or modified), with most recent documents listed first Some search engines display the date page was created or modified * Note: dates can be unreliable (gotten from server) Ability to increase the number of results that are displayed
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For academic searches, it is best to NOT use sites such as Wikipedia. A wiki is a type of webpage that can be edited by anyone, making the information unreliable It is best to use.edu,.gov, or.org domains
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Advanced Google search File type Search within a specific domain Google Scholar
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“The Google Game” Retrieved from:webpages.maine207.org/south/depart ments/lrc/google_game.doc “Effective Web Search.” Retrieved from: www.psyc.memphis.edu/faculty/Kreuz/CAT/ search.ppt
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