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4. search technique jun2012
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4. search technique jun2012

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  • 1. How to get the most out ofOnline Databases andInternet ?
  • 2. • Search terms containing more than one word Enclosing them in quotation marks, returns documents containing the exact phrase only.• An example: Searching for information on gun control legislation, using "gun control" eliminates documents that contain the words gun and control, but not in that order; possibly in entirely different paragraphs and maybe not even relating to the topic of gun control
  • 3. • You want to broaden your search? Use a root part of the word and abbreviate it with an asterisk (garden*).• The engine will return links to documents containing gardens, garden, gardener, gardeners, and so on.
  • 4. • You can combine truncated terms with other words using Boolean Operators. Example: employ* AND education will retrieve records which include the various forms of employ and the word education.
  • 5. • Boolean operators provide you with powerful control over search engine logic.• AND, OR, NOT (or AND NOT in some engines)
  • 6. • use the capitalized word AND between keywords. The engine will only find documents that have both words.• Example – Search Food AND Nutrition would return all documents that contain both words.• Capitalize all letters in the word AND, otherwise the search engine will treat it as a keyword, not as an operator.
  • 7. Food Nutrition
  • 8. • If you want to broaden your search.• This is very useful when searching for terms that have synonyms.• An example is children OR kids
  • 9. Children Kids
  • 10. • NOT is used to exclude a particular word or combination of words from your search results.• If you are retrieving many records that are unrelated to your topic, try using the NOT operator to eliminate a word.
  • 11. Chocolate Cake
  • 12. • A "wild card" takes the place of letters within a word and is an important way of catching variant spellings.• For example, the American spelling is color, the British spelling is colour. To retrieve both spellings, you might search for col*r.
  • 13. • Use parentheses to clarify relationships between search terms.• Example: (television or mass media) and women• This search looks for both "television and women" and "mass media and women."
  • 14. • Stop words are commonly used words that will automatically stop a computer keyword search because they occur too frequently in records. Stop words are usually listed in the help screens of whatever database you are using. Some stop words are: the, an, at, for, from, then. When constructing a keyword search, choose the most important words.• Example: If you want to find information about "What are the effects of Global Warming on agriculture?" Your keywords are: global warming, effects, agriculture. The words what, is, of, the, are not descriptive of your topic.