LING 388: Language and Computers

Sandiway FongLecture 26

Last Time

• 3 files:– j25.pl Japanese grammar– g25.pl English grammar– translator25.pl bilingual dictionary

• common interface:– predarg(Predicate,Subject,Object,decl/wh/yesno)

j25.pl

use japanese:s(PA,JapaneseSentence,[])

j25.pl

g25.pl

use english:s(PA,EnglishSentence,[])

g25.pl

g25.pl

g25.pl

NB. previously, a (regular) plural suffixation rule was used

g25.pl

g25.pl

translator25.pl

• Bilingual dictionary + translate/2

Tasks today

1. Comment out dual entries for Japanese lexicon – prevent duplicate generation of kana/kanji and romaji

2. Fix infinite loop for generation with the English grammar

3. Update the English grammar to generate wh-questions and yes/no-questions using predarg structure

Wh-questionsStanford Parser output:

predarg(buy+past,john,what,wh)

Wh-questionsStanford Parser output:

predarg(buy+past,who,book,wh)

Yes/No-Questions

• Stanford parser output:

predarg(buy+past,john,book,yesno)