Boolean operator


Also found in: Dictionary, Thesaurus, Medical, Legal, Financial.

Boolean operator

[¦bül·ē·ən ′äp·ə‚rād·ər]
(mathematics)
A logic operator that is one of the operators AND, OR, or NOT, or can be expressed as a combination of these three operators.

Boolean operator

One of the Boolean logic operators such as AND, OR and NOT. See Boolean logic.
References in periodicals archive ?
Key Words: information storage and retrieval; PubMed searching, Boolean operators, search field tags, wildcard, use of keywords.
The weight for such term or for such Boolean operator appears directly after the term or the Boolean operator as ([term.
In Section 5, we discuss experimentation that resulted in the development of PIC matrices for the modeling of Boolean operators that appear to be superior to those previously used in the INQUERY system.
Use Boolean operators to create an effective search term
The intention is to visually and experientially develop students' abilities to use Boolean operators to focus their online searches without being distracted by the computer.
SER's intelligent search and retrieval solutions don't rely upon keywords or Boolean operators.
Boolean operators and phrase searching with quotations were used a total of eleven times.
0 also offers customers message assignment improvements, LDAP user authentication, powerful message-searching options (wildcards, Boolean operators, proximity) and customizable alert recipients and thread identifier formatting.
Unlike keyword searching which requires skillful use of Boolean operators like "AND" and "OR," concept searching has no required formatting or syntax--reviewers can enter a natural language query or paste entire paragraphs from a relevant document, and within seconds receive a list of all related documents, ranked by relevancy.
You can take advantage of easy-to-use wizards, and also enjoy advanced features like Boolean operators that link multiple criteria for complex searches.
There is no need for users to learn complex boolean operators such as AND, NOT or ACCRUE, Also there is no change to the Notes user-interface, therefore no new application for users to learn
Search fields, search options, and Boolean operators are available in pull-down menus and check boxes.