Using Boolean Operators
Named for English mathematician George Boole (1815 - 1864), Boolean operators are used to connect and define the relationship between the words in your search. There are three operators that you can use:
| AND | All terms listed must be contained in the citation; abstract; or in the case of a full-text database, the article. | jelly AND fish will find results that have both words present. |
| OR | Just one of the listed terms will need to be present in the citation, abstract or article. | dog OR canine items in your result set will have either the word dog or the word canine. |
| NOT | The word following the NOT will be excluded. | bee NOT spelling will find results on the insects but not the competitions. |