![]() When you search using these operators, it is known as a Boolean search. ![]() You can use these in library databases and. Boolean operators are words and symbols, such as AND or NOT, that let you expand or narrow your search parameters when using a database or search engine. Audience: All Users Boolean logic is a search method that uses 'operators' to help you refine and narrow your search results. Having completed our short reader on conducting digital searches, you may now wish to unlock and download our beginner, intermediate and advanced worksheets to check your progress and understanding. Boolean operators are words or symbols that are used to combine or exclude words when doing a keyword search. Use the asterisk wildcard character () to include alternative forms of wo rds, plurals. The asterisk can be used on most resume databases and non-Internet search engines as a root word/stem/truncation search. Hopefully this chapter has highlighted to you how useful the three Boolean operators AND, OR and NOT, and the additional three wildcards (“”), (*) and (?), are for expanding or narrowing an academic search for appropriate and relevant sources. In Boolean search mode words are searched exactly as they are typed. For example, you can use, annb, or 'Ann Beebe' to specify the user Ann Beebe. Therefore, to inform our search engine that we wish to include both search terms within the search results, the question mark symbol (?) should be placed precisely where the spelling change occurs, as in ‘healthcare organi?ation’. 1 For the value of a recipient property, you can use the SMTP address, display name, or alias to specify a user. The phrase ‘healthcare organisation’, for example, could be alternatively spelled as ‘healthcare organization’ (with a ‘z’ instead of an ‘s’) in American English. Learn about Boolean operators Boolean Operators AND contains both words Learn about proximity operators Proximity Operators NEAR Learn about wildcard. ![]() You can use Boolean operators such as AND, OR, and NOT alongside keywords to create a Boolean string that will refine. Similarly, and finally, the question mark symbol (?) is another way of expanding a search, but this time it does so by including spelling variations within that search (such as are common between British- and American-English dialects). Boolean operators are words and symbols, such as AND or NOT, that let you expand or narrow your search parameters when using a database or search engine. In the mathematical literature the symbols used are often + (plus), (dot) and overbar, or (vel), (et) and (not) or.
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