Abstract
Current approaches for retrieval and adaptation in process-oriented case-based reasoning (POCBR) assume a fully elaborated query given by the user. However, users may only have a vague idea of the workflow they desire or they lack the required domain knowledge. Conversational case-based reasoning (CCBR) particularly addresses this problem by proposing methods which incrementally elicit the relevant features of the target problem in an interactive dialog. However, no CCBR approaches exist that are capable of automatically creating questions from the case descriptions that go beyond attribute-value representations. In particular, no approaches exist that are applicable to workflow cases in graph representation. This paper closes this gap and presents a conversational POCBR approach (C-POCBR) in which questions related to structural properties of the workflow cases are generated automatically. An evaluation in the domain of cooking workflows reveals that C-POCBR can reduce the communication effort for users during retrieval.
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Notes
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In principle an initial pre-modeled query could be used as well, but we have not yet investigated this option.
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- 3.
Online demo available at cookingcake.wi2.uni-trier.de/conversation.
- 4.
During the experiments, the available adaptation methods of CookingCAKE are not used.
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This work was funded by the German Research Foundation (DFG), project number BE 1373/3-3.
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Zeyen, C., Müller, G., Bergmann, R. (2017). Conversational Process-Oriented Case-Based Reasoning. In: Aha, D., Lieber, J. (eds) Case-Based Reasoning Research and Development. ICCBR 2017. Lecture Notes in Computer Science(), vol 10339. Springer, Cham. https://doi.org/10.1007/978-3-319-61030-6_28
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