In the project "Procedural Dialogue Models" being carried on at the University of Bielefeld we have developed an Incremental multilevel parsing formalism to reconstruct task-oriented dialogues. A major difficulty we have had to overcome is that the dialogues are real ones with numerous ungrammatical utterances. The approach we have devised to cope with this problem is reported here.
APE is a workbench to develop ATN grammars based on an active chart parser. It represents the networks graphically and supports the grammar writer by win-(tow-and menu-based debugging techniques.
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