The search operators

Operator Mean Example
and class intersection operator (is the default) "lucia ronchi" or "lucia and ronchi" find "Lucia Ronchi" but not "Vasco Ronchi"
or class union operator "lucia or ronchi" find "Lucia Ronchi", "Vasco Ronchi" and "Lucia Consani"
not class exclusion operator "lucia not ronchi" find "Lucia Consani" but not "Lucia Ronchi"
$ right-truncation operator "year$" find "year" and "years" also
Note: all operators are lowercase. [ Close this window ]