A mathematician, George Boole, developed Boolean searches.
By using logic operators-or, and, not-when searching, you can create a
relationship between keywords and phrases that best define and limit your
search.
Keyword searches are searches for a subject using a computerized
source, by entering synonyms, related terms, proper terms, proper names,
plurals or variant spellings to locate resources or information.
1. Boolean search using and-when you want information
that contains both keywords/concepts together.
Dog and Wolves
2. Boolean search using or is when you want information
on both topics together
Dogs or Wolves
3. Boolean search using and not is when you want to eliminate
a term because you do not want information on that topic.
Dogs and not Wolves