TAILIEUCHUNG - Báo cáo khoa học: "Resumption strategies for an in-vehicle dialogue system"

In-vehicle dialogue systems often contain more than one application, . a navigation and a telephone application. This means that the user might, for example, interrupt the interaction with the telephone application to ask for directions from the navigation application, and then resume the dialogue with the telephone application. In this paper we present an analysis of interruption and resumption behaviour in human-human in-vehicle dialogues and also propose some implications for resumption strategies in an in-vehicle dialogue system. determine type of workload and act accordingly. . | Now where was I Resumption strategies for an in-vehicle dialogue system Jessica Villing Graduate School of Language Technology and Department of Philosophy Linguistics and Theory of Science University of Gothenburg jessica@ Abstract In-vehicle dialogue systems often contain more than one application . a navigation and a telephone application. This means that the user might for example interrupt the interaction with the telephone application to ask for directions from the navigation application and then resume the dialogue with the telephone application. In this paper we present an analysis of interruption and resumption behaviour in human-human in-vehicle dialogues and also propose some implications for resumption strategies in an in-vehicle dialogue system. 1 Introduction Making it useful and enjoyable to use a dialogue system is always important. The dialogue should be easy and intuitive otherwise the user will not find it worth the effort and instead prefer to use manual controls or to speak to a human. However when designing an in-vehicle dialogue system there is one more thing that needs to be taken into consideration namely the fact that the user is performing an additional safety critical task - driving. The so-called 100-car study Neale et al. 2005 revealed that secondary task distraction is the largest cause of driver inattention and that the handling of wireless devices is the most common secondary task. Even if spoken dialogue systems enables manouvering of devices without using hands or eyes it is crucial to adjust the interaction to the in-vehicle environment in order to minimize distraction from the interaction itself. Therefore the dialogue system should consider the cognitive load of the driver and adjust the dialogue accordingly. One way of doing this is to continously measure the cognitive workload level of the driver and if the workload is high determine type of workload and act accordingly. If the workload is dialogue-induced . .

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