Conceptualizing structurable tasks in the development of knowledge-based system

Conceptualizing structurable tasks in the development of knowledge-based system

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Article ID: iaor20083603
Country: United States
Volume: 27
Issue: 3
Start Page Number: 415
End Page Number: 449
Publication Date: Jun 1996
Journal: Decision Sciences
Authors: ,
Abstract:

Conventional approaches to knowledge-based system (KBS) development are not appropriate for building KBSs when the application task is structurable (i.e., exhibits a certain degree of ill structure). Building a KBS for structurable tasks requires an understanding of the problem-solving strategies used by an expert to manage the ill structure, while at the same time relying on domain theories to understand the structured parts of the task. This paper presents a methodology for developing a knowledge model for structurable tasks during the conceptualization stage of KBS development. This is equivalent to building a logical model for design during the development of conventional information systems. The methodology relies on prior research on the decomposition and characterization of a task based on its various attributes. The paper also illustrates the use of the methodology in the case of KBS development for financial hedging. The paper concludes with some observations about the potential impact of this methodology on other stages in the KBS development process.

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