the 8-fold path to web searching power
DESCRIPTION
An overview of eight power searching tips for better Internet searching in Google and other search engines. Most search examples are med/dent.TRANSCRIPT
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The 8-fold Path to Web Searching
Power*
Patricia F. AndersonJune 20, 2007
http://www.umich.edu/~pfa/pro/8fold/
© 2007 Regents of the University of Michigan. All rights reserved.
* more of what you want, less of what you don’t
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Power Searching on the Web: Tips Quotation marks OR Parentheses Limit by site Limit by filetype + (plus sign) - (minus sign) ~ (tilde sign)
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Power Searching on the Web: Tips Quotation marks = Phrase
searching OR = Concept groupings Parentheses = Multiple
concept groups Limit by site Limit by filetype + (plus sign) = Stopword
searching - (minus sign) = Exclude ~ (tilde sign) = Thesaurus or
synonym searching
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Tip 1: Quotation marks for Phrase Searching This is most useful when the words to be
searched are not very specific, have different meanings in various subject areas, when having the words adjacent to each other changes the meaning, or when it is important that the same word is repeated. “baby bottle tooth decay” “curve of monson” “head and neck cancers”
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Tip 1: Phrase Searching
Results have fewer false positives.
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Tip 2: OR
Use this when you want any of the terms, not all of the terms. Be sure to capitalize the word “or” so Google does not ignore it. “baby bottle tooth decay” OR “early childhood
caries” OR “nursing caries” OR “milk caries” OR bbtd
Child OR children OR youth OR teen OR kids
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Tip 2: Boolean OR
Results have fewer false negatives.
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Tip 3: Concept group searching with parentheses Useful to group terms that should be
processed together, at the same time and in the same way in the search, but which you want to combine with another concept or term. Question: Do sports drinks erode the teeth?
Concept 1 = “sports drinks” Concept 2 = “teeth” Concept 3 = “erosion”
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Tip 3: Concept group searching with parentheses Note: This is most useful with complex questions,
questions with many separate concepts, for which initial simple searches provide erratic quality results.
EXAMPLE: Question: Do sports drinks erode the teeth?
Concept 1 Terms = "sports drinks" OR gatorade OR "isotonic solutions"
Concept 2 Terms = dental OR dentistry OR tooth OR teeth Concept 3 = erode OR erosion OR erosive OR "tooth wear” OR
caries
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Tip 3: Concept group searching with parentheses Question: Do sports drinks erode the teeth?
Concept 1 Terms = "sports drinks" OR gatorade OR "isotonic solutions" Concept 2 Terms = dental OR dentistry OR tooth OR teeth Concept 3 = erode OR erosion OR erosive OR "tooth wear” OR caries
Can you put all those terms on one line like this? "sports drinks" OR gatorade OR "isotonic solutions" dental OR dentistry
OR tooth OR teeth erode OR erosion OR erosive OR "tooth wear” OR caries
NO!!! There are three different ideas here. If you try this, you will get strange (& probably useless) results because Google won’t be able to tell them apart.
Can you search each group separately, and then tell Google to mix and match the results of the 3 searches? I wish, but not yet.
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Tip 3: Concept group searching with parentheses So what can you do? This -- collect each group of terms
by placing parentheses around them to show the beginning and end of a single concept group.
Question: Do sports drinks erode the teeth? Concept 1 Terms = ("sports drinks" OR gatorade OR
"isotonic solutions”) Concept 2 Terms = (dental OR dentistry OR tooth OR teeth) Concept 3 = (erode OR erosion OR erosive OR "tooth wear”
OR caries) Becomes this:
("sports drinks" OR gatorade OR "isotonic solutions") (erosion OR erosive OR "tooth wear") (dental OR dentistry OR tooth OR teeth)
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Tip 3: Concept group searching with parentheses ("sports drinks" OR gatorade OR "isotonic solutions")
(erosion OR erosive OR "tooth wear") (dental OR dentistry OR tooth OR teeth)
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Tip 3: Concept group searching with parentheses Note: You can use parentheses embedded within
parentheses to describe complex concepts or streamline the use of repeated terms. “baby bottle tooth decay” OR ((“tooth decay” OR caries”)
(“baby bottle” OR “early childhood” OR nursing OR milk OR bbtd OR ecc OR toddler))
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Tip 4: Limit by site
This is useful when you want to control the quality of the search results, when you know a site that is likely to have what you need, and also when you want to find again a known document. Want government reports on oral health?
"oral health" site:gov Want board review resources from the ADA, but without using
their site search engine? (“national boards” OR “board review”) site:ada.org
Remember a patient guide but not what organization released it? (mouthguards OR “mouth guards”) site:.org
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Tip 4: Limit by site
(amoxil OR amoxicillin OR trimox or "clavulanate potassium") site:fda.gov
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Tip 5: Limit by filetype
Especially useful when you have reason to suspect that the answer you need will be in a certain format, such as white papers, presentations, and technical standards. (("osteonecrosis of the jaw" OR onj) (jaw OR
maxilla OR mandible)) filetype:pdf (“oral hygiene” OR “oral prophylaxis”) filetype:ppt
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Tip 5: Limit by filetype
(“oral hygiene” OR “oral prophylaxis”) filetype:ppt
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Tip 6: + (plus sign) = stopword search Use the plus sign to force the inclusion
of stop words. Angle class +I malocclusion
Use this to search foreign words with diacritics exactly as spelled. Émail fragile compared to +émail fragile
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Tip 6: + (plus sign) = stopword search Émail fragile compared to +émail fragile
(phrase means “fragile enamel” in French)
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Tip 7: - (minus sign)
Use the minus sign to exclude terms from results when there is a clustering of irrelevant results. This is most useful when you are new to searching a topic. tongue cancer -xxx -porn -pornography -paid craniofacial support -teens -youth -parents -child find dentist -site:.com
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Tip 7: - (minus sign)
Demo of effectiveness of quick and dirty porn filter: tongue cancer -xxx -porn -pornography Results without filter = 1,530,000; with filter =
858,000
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Tip 8: ~ (tilde sign)
Searches the selected term in thesaurus-mode (Google only). Results include a variety of related terms.
~child dental visits
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Tip 8: ~ (tilde sign)
Searches the selected term in thesaurus-mode (Google only). Results include a variety of related terms.
cancer survivor or ~cancer survivor
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More Search Strategy Tips Compare results from multiple search
engines Use advanced search features Use concept and term suggestions Use reviewed search results/links Use special search engine features