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 7a20
id 7a20
authors Carrara, G., Fioravanti, A.
year 2002
title SHARED SPACE’ AND ‘PUBLIC SPACE’ DIALECTICS IN COLLABORATIVE ARCHITECTURAL DESIGN.
source Proceedings of Collaborative Decision-Support Systems Focus Symposium, 30th July, 2002; under the auspices of InterSymp-2002, 14° International Conference on Systems Research, Informatics and Cybernetics, 2002, Baden-Baden, pg. 27-44.
summary The present paper describes on-going research on Collaborative Design. The proposed model, the resulting system and its implementation refer mainly to architectural and building design in the modes and forms in which it is carried on in advanced design firms. The model may actually be used effectively also in other environments. The research simultaneously pursues an integrated model of the: a) structure of the networked architectural design process (operators, activities, phases and resources); b) required knowledge (distributed and functional to the operators and the process phases). The article focuses on the first aspect of the model: the relationship that exists among the various ‘actors’ in the design process (according to the STEP-ISO definition, Wix, 1997) during the various stages of its development (McKinney and Fischer, 1998). In Collaborative Design support systems this aspect touches on a number of different problems: database structure, homogeneity of the knowledge bases, the creation of knowledge bases (Galle, 1995), the representation of the IT datum (Carrara et al., 1994; Pohl and Myers, 1994; Papamichael et al., 1996; Rosenmann and Gero, 1996; Eastman et al., 1997; Eastman, 1998; Kim, et al., 1997; Kavakli, 2001). Decision-making support and the relationship between ‘private’ design space (involving the decisions of the individual design team) and the ‘shared’ design space (involving the decisions of all the design teams, Zang and Norman, 1994) are the specific topic of the present article.

Decisions taken in the ‘private design space’ of the design team or ‘actor’ are closely related to the type of support that can be provided by a Collaborative Design system: automatic checks performed by activating procedures and methods, reporting of 'local' conflicts, methods and knowledge for the resolution of ‘local’ conflicts, creation of new IT objects/ building components, who the objects must refer to (the ‘owner’), 'situated' aspects (Gero and Reffat, 2001) of the IT objects/building components.

Decisions taken in the ‘shared design space’ involve aspects that are typical of networked design and that are partially present in the ‘private’ design space. Cross-checking, reporting of ‘global’ conflicts to all those concerned, even those who are unaware they are concerned, methods for their resolution, the modification of data structure and interface according to the actors interacting with it and the design phase, the definition of a 'dominus' for every IT object (i.e. the decision-maker, according to the design phase and the creation of the object). All this is made possible both by the model for representing the building (Carrara and Fioravanti, 2001), and by the type of IT representation of the individual building components, using the methods and techniques of Knowledge Engineering through a structured set of Knowledge Bases, Inference Engines and Databases. The aim is to develop suitable tools for supporting integrated Process/Product design activity by means of a effective and innovative representation of building entities (technical components, constraints, methods) in order to manage and resolve conflicts generated during the design activity.

keywords Collaborative Design, Architectural Design, Distributed Knowledge Bases, ‘Situated’ Object, Process/Product Model, Private/Shared ‘Design Space’, Conflict Reduction.
series other
type symposium
email
last changed 2005/03/30 16:25

_id 6279
id 6279
authors Carrara, G.; Fioravanti, A.
year 2002
title Private Space' and ‘Shared Space’ Dialectics in Collaborative Architectural Design
source InterSymp 2002 - 14th International Conference on Systems Research, Informatics and Cybernetics (July 29 - August 3, 2002), pp 28-44.
summary The present paper describes on-going research on Collaborative Design. The proposed model, the resulting system and its implementation refer mainly to architectural and building design in the modes and forms in which it is carried on in advanced design firms. The model may actually be used effectively also in other environments. The research simultaneously pursues an integrated model of the: a) structure of the networked architectural design process (operators, activities, phases and resources); b) required knowledge (distributed and functional to the operators and the process phases). The article focuses on the first aspect of the model: the relationship that exists among the various ‘actors’ in the design process (according to the STEP-ISO definition, Wix, 1997) during the various stages of its development (McKinney and Fischer, 1998). In Collaborative Design support systems this aspect touches on a number of different problems: database structure, homogeneity of the knowledge bases, the creation of knowledge bases (Galle, 1995), the representation of the IT datum (Carrara et al., 1994; Pohl and Myers, 1994; Papamichael et al., 1996; Rosenmann and Gero, 1996; Eastman et al., 1997; Eastman, 1998; Kim, et al., 1997; Kavakli, 2001). Decision-making support and the relationship between ‘private’ design space (involving the decisions of the individual design team) and the ‘shared’ design space (involving the decisions of all the design teams, Zang and Norman, 1994) are the specific topic of the present article.

Decisions taken in the ‘private design space’ of the design team or ‘actor’ are closely related to the type of support that can be provided by a Collaborative Design system: automatic checks performed by activating procedures and methods, reporting of 'local' conflicts, methods and knowledge for the resolution of ‘local’ conflicts, creation of new IT objects/ building components, who the objects must refer to (the ‘owner’), 'situated' aspects (Gero and Reffat, 2001) of the IT objects/building components.

Decisions taken in the ‘shared design space’ involve aspects that are typical of networked design and that are partially present in the ‘private’ design space. Cross-checking, reporting of ‘global’ conflicts to all those concerned, even those who are unaware they are concerned, methods for their resolution, the modification of data structure and interface according to the actors interacting with it and the design phase, the definition of a 'dominus' for every IT object (i.e. the decision-maker, according to the design phase and the creation of the object). All this is made possible both by the model for representing the building (Carrara and Fioravanti, 2001), and by the type of IT representation of the individual building components, using the methods and techniques of Knowledge Engineering through a structured set of Knowledge Bases, Inference Engines and Databases. The aim is to develop suitable tools for supporting integrated Process/Product design activity by means of a effective and innovative representation of building entities (technical components, constraints, methods) in order to manage and resolve conflicts generated during the design activity.

keywords Collaborative Design, Architectural Design, Distributed Knowledge Bases, ‘Situated’ Object, Process/Product Model, Private/Shared ‘Design Space’, Conflict Reduction.
series other
type symposium
email
last changed 2012/12/04 07:53

_id caadria2007_659
id caadria2007_659
authors Chen, Zi-Ru
year 2007
title The Combination of Design Media and Design Creativity _ Conventional and Digital Media
doi https://doi.org/10.52842/conf.caadria.2007.x.w5x
source CAADRIA 2007 [Proceedings of the 12th International Conference on Computer Aided Architectural Design Research in Asia] Nanjing (China) 19-21 April 2007
summary Creativity is always interested in many fields, in particular, creativity and design creativity have many interpretations (Boden, 1991; Gero and Maher, 1992, 1993; Kim, 1990; Sternberg, 1988; Weisberg, 1986). In early conceptual design process, designers used large number of sketches and drawings (Purcell and Gero, 1998). The sketch can inspire the designer to increase the creativity of the designer’s creations(Schenk, 1991; Goldschmidt, 1994; Suwa and Tversky, 1997). The freehand sketches by conventional media have been believed to play important roles in processes of the creative design thinking(Goldschmidt, 1991; Schon and Wiggins, 1992; Goel, 1995; Suwa et al., 2000; Verstijnen et al., 1998; Elsas van and Vergeest, 1998). Recently, there are many researches on inspiration of the design creativity by digital media(Liu, 2001; Sasada, 1999). The digital media have been used to apply the creative activities and that caused the occurrenssce of unexpected discovery in early design processes(Gero and Maher, 1993; Mitchell, 1993; Schmitt, 1994; Gero, 1996, 2000; Coyne and Subrahmanian, 1993; Boden, 1998; Huang, 2001; Chen, 2001; Manolya et al. 1998; Verstijinen et al., 1998; Lynn, 2001). In addition, there are many applications by combination of conventional and digital media in the sketches conceptual process. However, previous works only discussed that the individual media were related to the design creativity. The cognitive research about the application of conceptual sketches design by integrating both conventional and digital media simultaneously is absent.
series CAADRIA
email
last changed 2022/06/07 07:50

_id ba7b
authors Earl, Chris F.
year 2001
title Symmetry and Equality of Shapes
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary Shapes are equal if the spatial relations between their parts areequal. But spatial relations are equal if shapes characterizing the relationare equal. This recursive nature of shape and shape relations isexamined. A repeated shape has distinct parts each equal and in one of aspecified set of spatial relations to another part. A symmetrical shapehas the same spatial relation to each part of some repeated shape.Repeated shapes are simple examples of generated shapes but can showintricate behaviour and indicate the problems of predicting spatialproperties in generative shapes.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:11

_id 75a9
authors Epstein, Susan L.
year 2001
title Toward Autonomous Layout Design / An AI Approach
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary 5{esign poses challenging problems for the traditionalAI problem-solving paradigm, but surmountable ones. Two systemsfor autonomous two-dimensional layout design are described, withparticular attention to the ways in which they devise solutions. Humanexpertise inspired and informed both systems. Their pragmatic approachesoffer important lessons for design problem solving
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:13

_id 4a53
authors Faltings, Boi
year 2001
title Qualitative Spatial Reasoning Based on Algebraic Topology
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary Several formalisms have been proposed for qualitativereasoning about regions and their topological relations in space. Theseformalisms, based on pairwise relations, do not allow sufficientlypowerful inferences to be used for spatial reasoning tasks such asplanning a collision-free path. In this paper, I show how consideringrelations between region triples, much more powerful reasoningtechniques become possible. I show in particular that in twodimensions, purely topological reasoning is sufficient to compute aminimal place graph which represents all minimal and maximal regioncombinations, as well as all minimal paths between them. I illustratehow this could be applied to motion planning, showing that in spite ofits qualitative nature, the formalism is powerful enough to solveproblems of practical interest.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:14

_id 3847
authors Gattis, Merideth
year 2001
title Space as a Basis for Reasoning
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary We use space as a basis for reasoning whenever we use aspatial representation of a nonspatial concept to make decisions orinferences. From a psychological perspective, our tendency to create andreason fluidly from spatial models is somewhat surprising, becauseusing a spatial model to reason involves creating correspondencesbetween two semantically unrelated concepts: space, and something thatisn’t space, whether that be time, performance, or the desirability of anew job. Our proficiency in using space as a basis for reasoning reliesour abilities to detect similarities in the structures of very differentconcepts. In this paper I discuss two types of similarities between spaceand nonspatial concepts and describe how those similarities influencereasoning from spatial representations.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:16

_id b07d
authors Gero, J.S., Chase, S. and Rosenman, M. (Eds.)
year 2001
title CAADRIA 2001 [Conference Proceedings]
doi https://doi.org/10.52842/conf.caadria.2001.
source Proceedings of the Sixth Conference on Computer Aided Architectural Design Research in Asia / ISBN 1-86487-096-6 / Sydney 19-21 April 2001, 506 p.
summary Computer-aided architectural design research and teaching has a long history going back to the 1960s. However, the last ten years has seen a dramatic upsurge in activity brought about by factors such as the increasing use of CAD systems in practice, the increase in computer literacy generally and perhaps, equally importantly, the development and widespread use of the World Wide Web. The CAADRIA conference series provides a forum for the presentation and exchange of ideas and experiences in CAAD, particularly focussed on Asian research and teaching. This, the proceedings of the Sixth International Conference on Computer-Aided Architectural Design Research and Teaching in Asia, presents 57 (31 long and 26 short) papers. The 57 papers were selected from the 114 submissions following a blind review of extended abstracts. Each submission was reviewed by two referees and the decision to accept was based on a committee's assessment of all the submissions. The final papers were assessed to determine if the reviewers' recommendations had been complied with. The authors of the selected papers represent 17 countries, making this an international as well as an Asian conference.
series CAADRIA
email
more http://www.caadria.org
last changed 2022/06/07 07:51

_id ef84
authors Gero, John S. and Kazakov, Vladimir
year 2001
title Entropic-Based Similarity and Complexity Measures of 2D Archtectural Drawings
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary In this paper we construct an information-theoretic model ofarchitectural drawings. This model is then used to quantify and measurethe complexities and similarities of drawings. The approach is appliedwithin a linear qualitative shape representation but can be generalized toother types of representation. The descriptive and analytic power of theproposed methods are demonstrated by studying the time evolution ofthe architectural plans produced by Aalto and Kahn and by comparingthem to each other.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:13

_id 5607
authors Goldschmidt, Gabriela
year 2001
title Is a Figure-Concept Binary Argumentation Pattern Inherent in Visual Design Reasoning?
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary This paper is based on the assumption that because designingis aimed at specifying configurations of entities, designers mustmanipulate forms and shapes and they must resort to visual reasoning todo so. Visual reasoning in designing is seen as the interplay betweenfigural and conceptual reasoning, such that the one supports andcontinues the other in order to arrive at a configuration that is valid interms of all the requirements it is to satisfy. We use protocol analysis toexplore the bond between conceptual and figural reasoning at two levelsof cognitive operation – that of the design move and that of theargument that is its building block. We conclude that the two modes ofreasoning are equi-present in designing; they describe a binary systemcharacterized by high frequency shifts between figure and concept.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:16

_id b81b
authors Gross, Mark D.
year 2001
title Emergence in a Recognition Based Drawing Interface
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary People perceive patterns in representations, patterns that may nothave been initially intended. This phenomenon of emergence is deemed toplay an important role in design. Computer based design assistants canand should support this human perceptual ability, using patternrecognition to anticipate human designers’ perception of emergent shapesand supporting the subsequent manipulation of and reasoning with theseshapes as part of the design. Freehand drawing programs with gesturerecognition are well positioned to implement shape emergence. Supportfor emergent shapes in the Back of an Envelope system is described.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:13

_id c259
authors Kokotovich, Vasilije and Purcell, Terry
year 2001
title Ideas - The Embodiment of Ideas, and Drawing: An Experimental Investigation of Inventing
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary The term visual reasoning, in cognitive psychology, oftenrefers to the use of visual spatial relations in making inferences aboutcorresponding conceptual relations. The conclusion is that external visualrepresentations have special properties, which can aid reasoning abouthigher order abstract concepts. The design literature is more specific andoften sees visual reasoning as synonymous with drawing, and considersthis a core activity in resolving design problems. The research to bereported examined visual reasoning and design, by investigating the rolethat drawing plays in the practicality and creativity of inventions. Themost striking finding was that using only mental imagery produced morecreative and practical inventions than the use of drawing and that this wasdependant on the area of expertise of the participants. This appears to runcounter to the views found in both the visual reasoning and designliterature regarding the effectiveness of visual representations anddrawing. This has implications for our understanding of both the visualreasoning and design thinking processes.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:11

_id 7713
authors Kulinski, Jaroslaw M. and Gero, John S.
year 2001
title Constructive Representation in Situated Analogy in Design. An essay on a bottle of Eau d'Issey pour Homme
source Proceedings of the Ninth International Conference on Computer Aided Architectural Design Futures [ISBN 0-7923-7023-6] Eindhoven, 8-11 July 2001, pp. 507-520
summary A model of situated analogy considered within the context of design is presented. It shows the impact of constructive knowledge representation on analogy making. The importance of a non-fixed but constructive representation is highlighted. It is suggested that a situated model of analogy fits the observed characteristics of design better than a non-situated one.
keywords Design, Analogy, Situatedness, Knowledge Representation
series CAAD Futures
email
last changed 2006/11/07 07:22

_id a64e
authors Liu, Yu-Tung
year 2001
title Spatial Representation of Design Thinking in Virtual Space
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary “Space” has long been an important concept in architecture;and architectural spaces and forms have been continuously evolved dueto the appearance of new concepts of space. Since the invention ofInternet, new spaces have been created through the computer. Tounderstand how human beings in the digital age experience these newvirtual spaces, and to discover the implications of the possible newconcepts of space into the physical architectural world, this paperdiscusses the nature of virtual spaces by examining the verbal and visualelements involved in the creation of a sense of virtual spaces. All theverbal and visual elements of virtual spaces discovered through ourexperiments and interviews are presented. It is found that the three coreelements of both verbally and visually constructed virtual spaces are:movements, interactions, and acoustic effects. In addition, a comparisonbetween verbally and visually constructed spaces, and between physicaland virtual spaces are explored. Finally, further studies related to therole of digital media in the construction of a sense of space aresuggested at the end of this paper.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:15

_id 6eda
authors Logie, Robert H.
year 2001
title Working Memory: A Mental Space for Design and Discovery
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary The design process can be viewed as the product of human creativethinking; the skills of generating new knowledge from old within theexternal constraints of the items to be designed. Expert designers have highlevel skills that assist them in this process. However design effectivenessand the training of design skills could benefit from an understanding of howhuman cognition undertakes the process of creative thinking without suchspecialist training, and what aspects of human cognition impede or enhancethis process. In this paper, I shall discuss some of the empirical researchand theoretical developments that have contributed to an understanding ofon-line visual and spatial cognition that might support creative thinking.The paper starts with a discussion of a particular theoretical frameworkreferred to as working memory, and some of the empirical work that hasused this framework to explore visual and spatial cognitive functions. Thisdiscussion will set the background of the general thesis for the chapter thatvisual and spatial aspects of working memory might play important roles increative thinking and design. This will lead to a discussion of the ways inwhich human working memory and the use of external aids to thinkingmight facilitate or constrain aspects of the creative process. The paper willend with a discussion of why human beings might have developed a workingmemory system, with the possibility that its primary purpose is to supportthe process of generating new knowledge.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:12

_id 7d26
authors Pearson, D.G., Alexander, C. and Webster, Robin
year 2001
title Working Memory and Expertise Differences in Design.
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary The Creative Synthesis task devised by Finke and Slayton(1988) has been widely used as an experimental measure of mentalsynthesis, but previous studies have often failed to demonstrate anysignificant benefits of external support on participants’ performance.This paper discusses a study that examined novice and expert drawers’performance of synthesis using a modified stimuli set that was designedto increase the load on visuo-spatial working memory. The resultsshowed a significant increase in Transformational Complexity(Anderson & Hesltrup, 1993) of patterns produced by the expert groupwhile using sketching. It is argued that experts are more effective atusing sketching interactively to increase complexity, while novices relymore on using it as a simple memory aid.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:14

_id 35e2
authors Saunders, Rob and Gero, John S.
year 2001
title Designing for Interest and Novelty. Motivating Design Agents
source Proceedings of the Ninth International Conference on Computer Aided Architectural Design Futures [ISBN 0-7923-7023-6] Eindhoven, 8-11 July 2001, pp. 725-738
summary This paper is concerned with the motivation of design agents to promote the exploration of design spaces. A general form of motivation common to designers is a curiosity to discover interesting designs. This paper presents computational models of interest and curiosity based on the detection of novelty. We illustrate the behaviour of our model of interest by developing a design agent that is motivated to explore the effects of emergent crowd behaviours on the performance of doorways.
keywords Design Agents, Novelty, Curiosity, Learning
series CAAD Futures
email
last changed 2006/11/07 07:22

_id 2538
authors Saunders, Rob and Gero, John S.
year 2001
title A curious design agent: A computational model of novelty-seeking behaviour in design
doi https://doi.org/10.52842/conf.caadria.2001.345
source CAADRIA 2001 [Proceedings of the Sixth Conference on Computer Aided Architectural Design Research in Asia / ISBN 1-86487-096-6] Sydney 19-21 April 2001, pp. 345-350
summary This paper presents a "curious design agent", i.e. an agent that uses the search for novel designs to guide its design actions. A computational model of curiosity based on a process called novelty detection is presented. The behaviour of the computational model is illustrated with a curious design agent searching the space of two-dimensional patterns generated by a simulated Spirograph is reported.
series CAADRIA
email
last changed 2022/06/07 07:57

_id 00f7
authors Smith, Gregory J and Gero, John S
year 2001
title Situated design interpretation using a configuration of actor capabilities
doi https://doi.org/10.52842/conf.caadria.2001.015
source CAADRIA 2001 [Proceedings of the Sixth Conference on Computer Aided Architectural Design Research in Asia / ISBN 1-86487-096-6] Sydney 19-21 April 2001, pp. 15-24
summary A designer looking at a drawing sometimes notices things not originally intended. Conversely, not all implications of a design action are considered before each depiction action is taken. This paper describes an approach to understanding and reproducing this behaviour based on a situated interaction with an external representation.
series CAADRIA
email
last changed 2022/06/07 07:56

_id 3e48
authors Smithers, Tim
year 2001
title Is Sketching an Aid to Memory or a Kind of Thinking?
source J. S. Gero, B. Tversky and T. Purcell (eds), 2001, Visual and Spatial Reasoning in Design, II - Key Centre of Design Computing and Cognition, University of Sydney, Australia
summary Reading the sketching in design literature gives theimpression that designers are cruelly crippled by cognitive disabilitiesand limitations that can only be surmounted with the aid of externalmemory devices, such as sketches and drawings. Designers are notdisabled so, not in general. Sketching is not an essential aid to memory,as is widely presumed. Sketching is a kind of thinking that is needed indesigning. An argument is presented to support this answer that drawson work by some of the authors who presume sketches to be cognitiveaids.
series other
email
more http://www.arch.usyd.edu.au/kcdc/conferences/vr01/
last changed 2003/05/02 11:16

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