LING 388: Language and Computers Sandiway Fong Lecture 26.

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Pat Langley Computational Learning Laboratory Center for the Study of Language and Information Stanford University, Stanford, California

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LING 388: Language and Computers Sandiway Fong Lecture 26

Last Time 3 files: – j25.plJapanese grammar – g25.plEnglish grammar – translator25.plbilingual 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

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

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-questions Stanford Parser output: predarg(buy+past,john,what,wh)

Wh-questions Stanford Parser output: predarg(buy+past,who,book,wh)

Yes/No-Questions Stanford parser output: predarg(buy+past,john,book,yesno)