Text generation systems are typically more powerful than generation components of dialog systems. In order to exploit their advanced capabilities for dialog purposes, we discuss the extension potential of NL generation components of dialog systems on the basis of methods embedded in text generation system. We investigate architectural concerns and crucial system features in a comparison, and we formulate conditions for a successful reuse of generation techniques. Finally, we sketch how we envision to substantiate this investigation for promoting the proof explanation system P.rex into a generation component of a tutorial dialog system for teaching theorem proving skills.
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