D. Fensel and V. R. Benjamins: The Role of Assumptions in Knowledge Engineering, International Journal of Intelligent Systems (IJIS), 13(8):715-748, 1998.  Home/Search   Document Not in Database   Summary   Related Articles   Check

....the backbone that is used by other publications that focus on its specific aspects. The relationship of this paper to other publications of the authors is as follows: Fensel van Harmelen, 1994] Fensel, 1995b] Fensel, 1995c] van Harmelen Fensel, 1995] Angele et al. 1998] [Fensel et al. 1998a] describe pioneering work on how to combine conceptual models of knowledge based systems with formal specifications. In this paper, we build on this work, however, refine some of the formal means and introduce a component based framework (i.e. conceptual model) enabling knowledge and software ....

....refine some of the formal means and introduce a component based framework (i.e. conceptual model) enabling knowledge and software reuse. Our architecture makes use of some refinements of existing formal methods that were introduced by the languages MLPM [Fensel Groenboom, 1996] and MCL [Fensel et al. 1998b] that provide a more suitable means for specifying the dynamic aspects of the reasoning process of knowledge based systems (as worked out in [Groenboom, 1997] An analysis of existing approaches for specifying these dynamics can be found in [van Eck et al. 1998] The use of our framework ....

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D. Fensel and V. R. Benjamins: The Role of Assumptions in Knowledge Engineering, International Journal of Intelligent Systems (IJIS), 13(8):715-748, 1998.

....objects that differ in their syntactical input and output descriptions. Adapters for problem solving methods extend this approach in several aspects: Adapters introduce assumptions necessary to close the gap between a problem definition (task) and the competence of a problem solving methods (cf. [14], 18] Adapters express the task specific refinements of a problemsolving method (cf. 17] Therefore, an adapter also specifies reusable knowledge. It does not only provide some applicationspecific glue, but specifies refinements relying on a problem type. Adapters can be piled on top of ....

D. Fensel and R. Benjamins: The Role of Assumptions in Knowledge Engineering, International Journal of Intelligent Systems (IJIS), to appear.

.... et al. 1993] Fensel, 1995a] Wielinga et al. 1995] Benjamins Pierret Golbreich, 1996] Fensel et al. 1996] OHara Shadbolt, 1996] Motta Zdrahal, 1996] Benjamins Aben, 1997] Breuker, 1997] Fensel Sch negge, 1997] ten Teije, 1997] Fensel Straatman, 1998] and [Fensel Benjamins, to appear] provides an in depth analysis of the essence and main rationales of some problem solving methods. There seems to be a common agreement that the assumptions underlying a reasoning process are central in characterizing and developing problem solving methods. Problem solving methods for ....

....adaptation of a problem solving method to a given context has to be found. Context Explication We already argued that making strong assumptions on available domain knowledge and problem restrictions is not a bug but a feature of problem solving methods that should enable efficient reasoning. In [Fensel Benjamins, to appear] we collected a large number of assumptions and related them to the different subtasks of diagnostic problem solving. This assumption list can be used to check given domain knowledge, to define goals for knowledge acquisition, to restrict the size of the problem that must be solved by the ....

D. Fensel and R. Benjamins: The Role of Assumptions in Knowledge Engineering, to appear in International Journal of Intelligent Systems (IJIS).

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