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JXNL-Soar and OT

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OT and JXNL-Soar
Nathan [email protected]
Is a method of predicting linguistic or other behavior using ranked violable constraintsGood for predicting linguistic phenomena, cross-linguistic and dialectic variationCurrently biggest use is in phonologyAlso used for morphology, syntax, etc.Can be combined with other frameworks (Minimalist syntax, Analogical Modeling)
Optimality Theory
Case assignment in JapanesePossible assignments:は・が-topic/subjectを-objectに-dativeUsually straightforward, but there are exceptions!Quirky case verbs allow dative marking on the subject
Desired Application
Tableau shows violableconstraintsand possible behaviorCompare and rule out cells on a column-by-column basisIndex points to outcome
HowOTWorks
Approach fromWoolford’s“CasePatterns”
Generalized approach accounting for case patterns in Japanese, Icelandic, and other quirky case languages
Initialize s1 ^tableau.constraintEach constraint has a ^badness integer valueMatch violations and mark operator with ^violation pointing totableau.constraint1 production does all the logicFind highest violation that <o1> violates which <o2> doesn’tIf <o2> doesn’t violate anything with higher badness, prefer <o2>
Soar Implementation
GeneralOT implementationNatural use in SoarGood account for Japanese case assignmentUse of OT is non-exclusive
Not integrated into JXNL-Soar yetJapaneseWordNethas noverbframes (argh!)
Nuggets
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JXNL-Soar and OT