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Evaluation of a Practical Interlingua for Task-Oriented Dialogue



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Evaluation of a Practical Interlingua for Task Oriented Dialogue Lori Levin Donna Gates Alon Lavie Fabio Pianesi Dorcas Wallace Taro Watanabe Monika Woszczyna SIG IL 2000 Interchange Format Design The CSTAR II Interchange Format was designed and developed by all of the CSTAR II partners CMU IRST ETRI UKA CLIPS and ATR www c star org SIG IL 2000 Expressivity vs Simplicity If it is not expressive enough components of meaning will be lost If it is not simple enough it can t be used reliably across sites If it is not simple enough it will not be quickly portable to new domains SIG IL 2000 Task Oriented Sentences Perform an action in the domain Are not descriptive Contain fixed expressions that cannot be translated literally SIG IL 2000 Domain Actions Extended Domain Specific Speech Acts Examples c request information availability room a give information personal data c give information temporal arrival SIG IL 2000 Components of the Interchange Format speaker a speech act give information concept availability room argument room type single double time md12 agent SIG IL 2000 Examples no that s not necessary c negate yes I am c affirm and I was wondering what you have in the way of rooms available during that time c request information availability room my name is alex waibel c give information personal data person name given name alex familyname waibel and how will you be paying for this a request information payment method question I have a mastercard c give information payment method mastercard SIG IL 2000 Not Covered or Not Represented in IF Relative clauses Comparatives in general Tense Number but quantity is represented SIG IL 2000 Scope of the IF May 1999 Speech acts Concepts Arguments 54 84 118 SIG IL 2000 Expressivity Coverage Experiment Development data was tagged with interlingua representations by human experts Sentences that are not intended to be covered by the interlingua as judged by human experts were given the tag no tag Test data was tagged by human



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