julian_lang_en:将英语短语解析为 library(julian) 约束

概要 ?- use_module(library(julian)). ?- use_module(library(julian/lang/en)). % parse English into Julian constraints ?- phrase(english_form(Form), "Tuesday in April"). Form = [month(april), dow(tuesday)]. % iterate dates matching an English description ?- form_time(english("weekday in August 2013"), Dt), form_time(Y-M-D, Dt), date(T). Y = 2013, M = 8, D = 1 ; Y = 2013, M = 8, D = 2 ; Y = 2013