Converts each word of the argument to its lexical form.
This function is the alias for the tolemma() function.
lemmatize($argument)
Requires a single argument of a string value (named group).
The lexical form of a word or a phrase, i.e. the form under which it appears in a dictionary, for example:
singular form for nouns (ice-creams → ice-cream)
infinitive form without to for verbs (ate → eat).
The function is used to normalize both single words and sentences.
Dataset
XPDL-rule
Result
Children wanted to play.
rule: r1
{
query: {phrase(lemma(noun), lemma(verb), lemma(verb))}:m
result: Match = $m
attribute:Lemma = lemmatize($m)
}
Child want play
Ann’s shoes.
rule: r2
query: {phrase(lemma(noun), lemma(noun))}:m
attribute:Presence = lemmatize($m)
Ann shoe