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Knowledge bases for user guidance in information seeking dialogues

Information seeking activities are inherently interactive processes. Modeling the interaction gives the chance to build flexible interfaces, which are adaptable to the user’s tasks and goals, but at the risk of loosing orientation in the information space. We propose to guide the information seeking process by a structured dialogue control. Applying a case-based approach, we employ cases of previous successful dialogues, which are adaptable to the new problem situation, for guiding and controlling art information seeking dialogue. It has become evident that flexible dialogue behavior of interface systems can be achieved only if background knowledge is modelled in the system explicitly. We present several knowledge bases about dialogue structure, the user’s tasks and goals, and the system’s knowledge about the domain and how they fit together during the ongoing process. Our approach is implemented in a prototype of a case-based dialogue manager (CADI), applied in the MERIT interface system to the CORDIS databases.