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Unformatted text preview: Keyword searching is particularly useful for new topics, and for combining two or more ideas. Truncation and Wildcards in IRIS $ is used as a truncation symbol to retrieve all terms beginning with the same root. The $ may replace more than one character. A number following a $ is used to indicate the maximum number of characters the $ can represent. ? is used as a wildcard to mask one character to retrieve similar words (e.g., woman and women). It can be used in the middle or at the end of a word. A number following a ? is used to indicate the exact number of characters the ? represents. Examples: ethic$ retrieves ethic, ethical, ethics, ethicist, and ethicist wom?n retrieves woman or wo men pleasure? retrieves pleasure and pleasures Useful subject terms in IRIS include happiness , cheerfulness, contentment, joy, pleasure, well-being....
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- Fall '11