Cumincad : CUMINCAD Papers : Search Results

CumInCAD is a Cumulative Index about publications in Computer Aided Architectural Design
supported by the sibling associations ACADIA, CAADRIA, eCAADe, SIGraDi, ASCAAD and CAAD futures

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_id	5ed1
authors	Gero, J.S. and Fujii, H.
year	1999
title	A computational framework for concept formation for a situated design agent
source	K. Hori and L. Candy (Eds.), Proceedings Second International Workshop on Strategic Knowledge and Concept Formation, Iwate Prefectural University, Iwate, Japan, pp. 59-71
summary	This paper takes the approach that designing is situated and that concepts are formed as a consequence od the this situatedness of designing. The papers presents a framework for concept formation that draws on a structure of a a design agent that includes sensors, perceptors and conceptors that interact with each other and the external and internal environment of the agent to produce the situation that is a contingent basis for the formation and use of concepts.
keywords	Concept Formation, Situatedness
series	other
email
last changed	2003/04/06 09:10

_id	0eae
authors	Gero, J.S. and Kazakov, V.
year	1999
title	Using analogy to extend the behaviour state space in creative design
source	J.S. Gero and M.L. Maher (Eds.), Computational Models of Creative Design IV, Key Centre of Design Computing and Cognition, University of Sydney, Sydney, Australia, pp. 113-143
summary	We propose an exploration model of design based on the extension of the space of design behaviours using analogy. The analogy is drawn on the basis of structure similarity or structure and behaviour similarity between source and target designs. New behaviours are introduced from the source design. This paper describes such a process and discusses its significance for creative design.
keywords	Creative Design, Behaviour Analogy
series	other
email
last changed	2003/04/06 09:15

_id	c91a
authors	Gero, J.S. and Kazakov, V.
year	1999
title	Adapting evolutionary computing for exploration in creative designing
source	J.S. Gero and M.L. Maher (Eds.), Computational Models of Creative Design IV, Key Centre of Design Computing and Cognition, University of Sydney, Sydney, Australia, pp. 175-186
summary	This paper introduces a modification to genetic algorithms which provides computational support to creative designing by adaptively exploring design structure spaces. This modification is based on the re-interpretation of the GA's crossover as a random sampling of interpolations and its replacement with the random sampling of direct phenotype-phenotype interpolation and phenotype-phenotype extrapolation. Examples of the process are presented
keywords	Creative Design, Evolutionary Computation
series	other
email
last changed	2003/04/06 09:11

_id	6fa3
authors	Gero, J.S.
year	1999
title	Representation and reasoning about shapes: Cognitive and computational studies in visual reasoning in design
source	C. Freksa and D. Marks (eds), Spatial Information Theory, Springer, Berlin, pp. 315-330
summary	This paper describes some recent cognitively-based and computationally-based research on representing and reasoning about shapes. The cognitive studies are based on protocol analyses of designers and indicatethat visual reasoning in design involves drawings of shapes and their relationsin the generation of unexpected results. The computational studies are concerned with the development of qualitative representations of shapesthat can be used to reason about shapes. Two representations are described: half-planes and landmark-based qualitative codes. Reasoning using these representations is presented.
keywords	Shape Representation, Qualitative Representation, Visual Reasoning
series	other
email
last changed	2003/04/06 09:16

_id	df70
authors	Goel, V.
year	1999
title	Cognitive Role of Ill-Structured Representations in Preliminary Design
source	Visual and Spatial Reasoning in Design, eds. J. S. Gero, and B. Tversky. Sydney: Key Centre of Design Computing and Cognition, University of Sydney
summary	I have previously argued that cognitive processes involved in preliminary design require "lateral" transformations or mental state shifts, and that "ill-structured" mental representations are necessary to support these transformations. I review the argument and provide additional support for it by appealing to some neuropsychological data.
series	other
last changed	2003/04/23 15:50

_id	62c2
authors	Kavakli, M., Suwa, M., Gero, J.S. and Purcell, T.
year	1999
title	Sketching interpretation in novice and expert designers
source	Gero, J.S. and Tversky, B. (Eds.), Visual and Spatial Reasoning in Design , Key Centre of Design Computing and Cognition, University of Sydney, Sydney, Australia, pp. 209-220
summary	This paper focuses on the differences in visual reasoning between a novice and an expert architectural designer during the conceptual design process. The cognitive actions of each designer while sketching were categorized into four main groups (each consisting of a number of sub-groups): physical, perceptual, functional, and conceptual. Based on this analysis, we found that the expert differs markedly from the novice in productivity in terms of the number of sketches and the number of alternative ideas. We focused on the differences between them in terms of the frequencies of cognitive actions, with the hypothesis that the difference in productivity could be attributed to the differences in some or all types of cognitive actions. Differences between the expert and the novice were found for revising features (in the subcategory of drawing actions in the physical action category), for paying attention to the relations of depicted elements (perceptual category) and for the rates of new and revisited functions (functional category). These results are discussed in terms of the types of visual reasoning processes that could be involved in expert design and the possible implications of these results if they can be demonstrated to be characteristic of expert designers generally.
keywords	Visual Reasoning, Cognitive Actions, Sketching Interpretation
series	other
email
last changed	2003/04/06 09:18

_id	diss_kuo
id	diss_kuo
authors	Kuo, C.J.
year	1999
title	Unsupervised Dynamic Concurrent Computer-Aided Design Assistant
source	Los Angeles: UCLA
summary	The increasing capability of computer-aided architectural design systems has strengthened the role that the computer plays in the workplace. Due to the complexity of developing new techniques and research, these systems are undertaken mostly by scientists and engineers without significant architectural input (Willey, 1991). The design concept of these systems may be based on a well-defined and well-understood process, which is not yet realized in architectural design (Galle, 1994). The output of such research may not be easily adapted into the design process. Most of the techniques assume a complete understanding of the design space (Gero and Maher, 1987) (Willey, 1991). The description or construction of the design space is always time and space consuming, and the result can never be complete due to the ever-changing nature of architectural design. This research intends to initiate a solution for the above problems. The proposed system is an unsupervised-dynamic-concurrent-computer-aided-design assistant. The “unsupervised” means the learning process is not supervised by the user because it is against the designer's nature to “think-aloud” in the design studio and it also increases the work load. It is dynamic because the size of the knowledge base is constantly changing. Concurrent means that there are multiple procedures active simultaneously. This research focuses on learning the operational knowledge from an individual designer and reapplying it in future designs. A computer system for this experiment is constructed. It is capable of The preliminary result shows a positive feedback from test subjects. The purpose of this research is to suggest a potent computational frame within which future developments may flourish.
series	thesis:PhD
last changed	2003/11/28 07:37

_id	138e
authors	Park, S.-H. and Gero, J.S.
year	1999
title	Qualitative representation and reasoning about shapes
source	Gero, J.S. and Tversky, B. (Eds.), Visual and Spatial Reasoning in Design , Key Centre of Design Computing and Cognition, University of Sydney, Sydney, Australia, pp. 55-68
summary	In this paper we present an approach to the qualitative representation of shape and its use. We use a qualitative coding scheme founded on landmarks in the shape. The scheme encodes a qualitative representation of angles, relative side lengths and curvatures at landmarks. We then show how such a representation can be used as a basis for reasoning about shapes using extracted shape features. We conclude with a preliminary analysis of 12 sketches of the architect Louis Kahn and show how they may be categorised based on these shape features.
keywords	Qualitative Representation, Shape Reasoning
series	other
email
last changed	2003/04/06 09:19

_id	b8c3
authors	Rosenman, M.A. and Gero, J.S.
year	1999
title	Evolving designs by generating useful complex gene structures
source	P. Bentley (Ed.), Evolutionary Design by Computers, Morgan Kaufmann, San Francisco, pp. 345-364
summary	This chapter presents two examples of work for evolving designs by generating useful complex gene structures. where the first example uses a genetic engineering approach whereas the other uses a growth model of form. Both examples have as their motivation to overcome the combinatorial effect of large design spaces by focussing the search in useful areas. This focussing is achieved by starting with design spaces defined by low-level basic genes and creating design spaces defined by increasingly more complex gene structures. In both cases the low-level basic genes represent simple design actions which when executed produce parts of design solutions. Both works are exemplified in the domain of architectural floor plans.
keywords	Evolutionary Systems, Genetic Engineering
series	other
email
last changed	2003/04/06 09:22

_id	a875
authors	Suwa, M., Gero, J.S. and Purcell, T.
year	1999
title	How an Architect Created Design Requirements
source	G. Goldschmidt and W. Porter (eds), Design Thinking Research Symposium: Design Representation, MIT, Cambridge, pp. II.101-124
summary	There is an anecdotal view that designers, during a conceptual design process, not just synthesise solutions that satisfy initially given requirements, but also create by themselves novel design requirements that capture important aspects of the given problem. Further, it is believed that design sketches serve as a thinking tool for designers to do this. Then, what kinds of cognitive interaction with their own sketches enable designers to create novel requirements? The purpose of this paper is to answer this question. We examined the cognitive processes of a practising architect, using a protocol analysis technique. Our examinations focused on whether particular types of cognitive actions account for the creation of novel design requirements. We found that intensive occurrences of a certain type of perceptual actions, acts of establishing new relations or visual features on the sketches, are likely to co-occur with the creation of requirements. This suggests that this type of perceptual actions are the key constituent of acts of creating novel requirements, and therefore one of the important actions in sketching activities. This presents evidence of the view that designing is a situated act, as well as has an implication for design education.
keywords	Design Requirements; Sketches; Design Cognition; Protocol Analysis
series	journal paper
email
last changed	2003/03/31 08:37

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