Representing Features
Various linguistic features can also be represented fairly concisely with DCGs by providing extra arguments to the functors. For example, consider the following set of DCG rules:
sentence --> pronoun(subject), verb_phrase. verb_phrase --> verb, pronoun(object). pronoun(subject) --> . pronoun(subject) --> . pronoun(object) --> . pronoun(object) --> . verb --> .This grammar allows sentences like "he likes her" and "he likes him", but not "her likes he" and "him likes him".
Read more about this topic: Definite Clause Grammar
Famous quotes containing the words representing and/or features:
“... today we round out the first century of a professed republic,—with woman figuratively representing freedom—and yet all free, save woman.”
—Phoebe W. Couzins (1845–1913)
“These, then, will be some of the features of democracy ... it will be, in all likelihood, an agreeable, lawless, particolored commonwealth, dealing with all alike on a footing of equality, whether they be really equal or not.”
—Plato (c. 427–347 B.C.)