Embarking on Spoken-Language NL Interface Design

Anoop K Sinha, Scott R Klemmer, James A Landay
The International Journal of Speech Technology, 2002
Natural language (NL) user interfaces are growing in popularity. Unfortunately, the complexity of NL interaction makes these interfaces difficult to design. For NL interfaces to become successful, universal tools are needed to help support the NL design process. What work practice should these tools explicitly support? Interviews with NL designers and our own experiments have identified a specific work practice that designers should consider as they begin to incorporate NL into user interface designs. The work practice study highlights the value of using Wizard of Oz prototyping in NL design.We describe a tool that we have built, called SUEDE, to explicitly support the first stage of NL design for spoken-language user interfaces. Our tools and tools like it will help make NL in human-computer interaction (HCI) more commonplace.

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