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An Expectation-Driven Response Understanding Paradigm
June 1994 (vol. 6 no. 3)
pp. 430-443

This paper describes a model that can account for ad hoc user-responses to argument interrogative type of system-initiated questions. Successful implementation of the model can provide an alternative solution that is more effective than the menu-driven approach that has been proposed as a meager solution to enable the system to ask a question to the user. The proposed model assumes that when the system asks a question, it maintains an expectation of the potential answers. The system then uses the expectation as the focus to perform the most likely interpretation of the user's response. Without using such a focus the interpretation process could be unbounded. The interpretation process is mapped into a heuristic search problem. The interpretation process results in identifying a particular expectation-response relationship type, which the system can use to tailor its response strategy with respect to the given user-response. A prototype has been constructed to demonstrate the soundness of the proposed model.

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Index Terms:
interactive systems; natural language interfaces; human factors; user modelling; expectation-driven response understanding; argument interrogative questions; menu-driven approach; expectation; user response interpretation; heuristic search problem; expectation-response relationship; response strategy; natural language interface; user modelling
D.-G. Shin, "An Expectation-Driven Response Understanding Paradigm," IEEE Transactions on Knowledge and Data Engineering, vol. 6, no. 3, pp. 430-443, June 1994, doi:10.1109/69.334859
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