Standard predicate operators

Build 1501 on 14/Nov/2017  This topic last edited on: 17/Mar/2016, at 16:50

Operator

Explanation

Predicate value

Operation on scores

(e1)

Parenthesized sub expression, used to modify priority.

e1

s1

"e1"

Quoted expression, used to escape all special characters. Inside a double quoted group, words are handled in a tight (NEXT) sequence. All operators are ignored.

e1

s1

"word1 word2"

Quoted expression.

word1 NEXT word2

s1+s2

Quoted expression.

word1 NEXT "OR" NEXT word2

s1+score("OR")+s2