However , the method we are currently using in the ATIS domain ( Seneff et al. 1991 ) represents our most promising approach to this problem .
development and preliminary evaluation of the mit atis systemquot
S Seneff J Glass D Goddeau D Goodine L Hirschman H Leung M Phillips J Polifroni V Zue
Exactly how to get from the parse tree to an appropriate meaning representation is a current research topic in our group . However , the method we are currently using in the ATIS domain ( Seneff et al. 1991 ) represents our most promising approach to this problem . We have decided to limit semantic frame types to a small set of choices such as CLAUSE ( for a sentence-level concept , such as request ) , PREDICATE ( for a functional operation ) , REFERENCE ( essentially proper noun ) , and QSET ( for a set of objects ) .
However , the method we are currently using in the ATIS domain ( @@CITATION ) represents our most promising approach to this problem .