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| Boolean logic can be used to perform keyword searches. Use the Boolean logic connectors AND, OR, or NOT to link key words together in a key word search. |
| AND Use the Boolean connector AND to narrow your search results. This type of search will result in entries that contain both key words. Search example: homelessness AND children  |
OR Use the Boolean connector OR to broaden your search results. This type of search will result in entries that contain either of the key words. |
NOT Use the Boolean connector NOT to exclude unwanted terms in your search results. This type of search will result in entries that contain the desired key word but will exclude entries that include both the desired and undesired key terms together. |
| Multiple Boolean connectors can be used in the same search statement. If you use multiple Boolean connectors and include an OR in the same search statement, you must "nest" the OR terms with parentheses. For example, use the search statement (preg* OR prenatal) AND exercise to find information on the benefits of exercise during pregnancy. |
Truncation |
Truncation was used in the search example above. Truncation involves the use of a symbol to cut off the indefinite end of a word stem. It is a method of retrieving various forms of words sharing common roots or stems. Truncation may be used at the end of a stem (skat*) or beginning (*ology) or internally (wom?n). For example, violen* will produce the following results: violence, violent, violently. |
| Use an * (asterick) to truncate in the SWCC Online Catalog, EBSCOhost, FirstSearch, or when using most other VIVA databases or Internet search engines. Use "quotation marks" around phrases to keep words side-by-side in search results. |
Library page banners depict art work by Johnny Hagerman. The sculptures can be viewed in the Earl E. & Dorothy J. Dellinger Learning Resources building. |
Mailing address: Southwest Virginia Community College, The Library, P.O. Box SVCC, Richlands, Virginia 24641 |
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Southwest Virginia Community College does not discriminate on the basis of race, color, sex or age (except where sex or age |
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