Planning Dialogue Contributions With New Information
Kristiina Jokinen, Hideki Tanaka, Akio Yokoo · 1998
The paper discusses a framework for planning contributions in a spoken dialogue system, and focuses especially on the three I's: Incrementality, Immediacy, and Interactivity. The emphasis is on communicative principles and the notion of NewInfo, or the information focus of the utterance. NewInfo provides a natural way of to conceptualize the planning process and to generate utterances on the level of granularity required in spoken interaction. 1. INTRODUCTION The question that we will investigate is the starting point of generation, and we argue that this is NewInfo, the piece of new information exchanged in interaction, with which the mutual context gets updated. This may sound like sliding on the "slippery slope" of (McDonald, 1993), who points out that the answer to the question `how far back does generation go?' is tied to the proportional amounts of linguistic and contextual information in the specification which serves as the source of generation. However, we would like to stres...