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OT and JXNL-Soar. Nathan Glenn Nathan.g.glenn@gmail.com BYU. Optimality Theory. Is a method of predicting linguistic or other behavior using ranked violable constraints Good for predicting linguistic phenomena, cross-linguistic and dialectic variation Currently biggest use is in phonology

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ot and jxnl soar

OT and JXNL-Soar

Nathan Glenn

Nathan.g.glenn@gmail.com

BYU

optimality theory
Optimality Theory
  • Is a method of predicting linguistic or other behavior using ranked violable constraints
  • Good for predicting linguistic phenomena, cross-linguistic and dialectic variation
  • Currently biggest use is in phonology
    • Also used for morphology, syntax, etc.
  • Can be combined with other frameworks (Minimalist syntax, Analogical Modeling)
desired application
Desired Application
  • Case assignment in Japanese
  • Possible assignments:
    • は・が-topic/subject
    • を-object
    • に-dative
  • Usually straightforward, but there are exceptions!
  • Quirky case verbs allow dative marking on the subject
how ot works
How OTWorks
  • Tableau shows violable constraints and possible behavior
  • Compare and rule out cells on a column-by-column basis
  • Index points to outcome
approach from woolford s case patterns
Approach from Woolford’s“Case Patterns”

Generalized approach accounting for case patterns in Japanese, Icelandic, and other quirky case languages

soar implementation
Soar Implementation
  • Initialize s1 ^tableau.constraint
    • Each constraint has a ^badness integer value
  • Match violations and mark operator with ^violation pointing to tableau.constraint
  • 1 production does all the logic
    • Find highest violation that <o1> violates which <o2> doesn’t
    • If <o2> doesn’t violate anything with higher badness, prefer <o2>
nuggets
Nuggets

Coal

  • General OT implementation
  • Natural use in Soar
  • Good account for Japanese case assignment
  • Use of OT is non-exclusive
  • Not integrated into JXNL-Soar yet
  • Japanese WordNethas no verb frames (argh!)