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Abstract

Based on protocol analysis of the designers solving spatial problems in architecture, a paradigm for the designers' behavior was proposed in terms of: problem (re)Structuring, when problem parameters are established or transformed, and problem solving, when these parameters are satisfied in a design solution. In order to calibrate and verify the paradigm, a computer-based system called HeGeL (Heuristic Generation of Layouts) was implemented. The development of HeGeL, its architecture and performance are all described. Implemented as a production system, the computer program simulates behavior of the designers observed in the protocol experiments conducted earlier. This paper is intended to serve multiple purposes. First, architecture of HeGeL is described in terms of representations and operations used, and flow of actions. Based on performance of HeGeL, the validity of the proposed paradigm for the designers' behavior and adequacy of the methodology is discussed. Some research issues that need further exploration are also highlighted.

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Heuristic Generation of Layouts (HeGeL): Based on a Paradigm for Problem Structuring

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