Can Description Logics Be Used in Real-Life Knowledge-Based Systems?

Piet-Hein Speel

In 1995, I finished my Ph.D. project which was focused on the selection of adequate Knowledge-Representation Systems (KRSs) for research applications. When I started working at the Unilever Research Laboratorium in the position of Knowledge Engineer, my private research question was Can logic-based KRSs be used in Knowledge-Based Systems (KBSs) within the Industrial Unilever Environment ? In this paper, I try to answer this question. The main conclusion is that Description Logies (DLs), a particular type of KRSs, seem have appropriate characteristics to represent a part of the application knowledge. However, business-oriented issues have to be resolved before DLs can be used in real-life applications.


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