A term used in searching databases which indicates which records satisfying one statement/rule/criterion or both should be selected. The two most common connectors are "and" and "or." (DB, Gr. 5)
used to combine keywords to make a logical search statement. The most common connectors are: and, or, not, adj, near, (). See: Search Techniques.
When searching on the WWW, you can use the "Boolean connectors" AND, OR, NOT or parentheses to specify exactly what type of information you wish to retrieve. Most search engines allow the AND connector to be replaced by a + sign and the NOT connector to be replaced by a - sign.