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Proposal of a Hierarchical Architecture for Multimodal Interactive Systems

In the present paper, we propose a hierarchical MMI system architecture that is currently being discussed by the speech interface committee of the Information Technology Standards Commission of Japan (ITSCJ). First, we present an overview of the proposed hierarchical architecture of multimodal dialogue systems. Next, we explain the first draft of informative descriptions of each layer. The proposed architecture is intended not only to support practical system development by complying with the existing description language and development framework, but also to function as a research platform by specifying the role of each component.