ACM Interactions

Authors:
Laurette Pretorius, Sonja Bosch

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Introduction Ubiquitous computing, the Web, and the ever-increasing processing power of computers have made the study of human-computer interaction (HCI) and the design of intelligent human-computer interfaces fields of crucial importance. If we further assume a human-centered approach to interface and systems design, then human preferences for modality of interaction become increasingly important. Moreover, given that humans interact and communicate most easily and effectively by means of natural language, either spoken or written (i.e., the auditory and vocal and the visual modalities), we must recognize and acknowledge the fundamental role that natural language plays in HCI. Indeed, humans generally…

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