What Does Boolean Search Mean?
A Boolean search is the most elementary form of search technique employed to search for information on internet search engines or databases. A Boolean search provides the basic and the most effective principles of searching on the web. Boolean searches include the operators: AND, OR, NOT and NEAR, which are used in sentences with keywords when searching for information.
Techopedia Explains Boolean Search
A Boolean search, which is derived from the famous Boolean logic developed by George Boole, an English mathematician in the 19th century, is useful in internet and database searches.