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	016a
authors	Balachandran, M. B. and Gero, John S.
year	1987
title	A Knowledge-based Approach to Mathematical Design Modeling and Optimization
source	engineering Optimization. 1987. vol. 12: pp. 91-115
summary	Optimization is a well understood process in design domains. Designers formulate their design problems as single criterion or multicriteria optimization problems and then select an appropriate optimization algorithm to search for the optimal values for the design variables. The formulation and algorithm selection procedures have been considered to be activities which relied on substantive human knowledge. This paper describes a computer system, OPTIMA, which formulates design optimization problems from a pseudo-English description into canonical algebraic expressions. It then recognizes the formulation and selects appropriate algorithm(s) for its solution. Finally, it runs the selected algorithm(s) and sends the results back to the original descriptions. Areas of expert knowledge involved in carrying out the above tasks are identified. Such knowledge is explicitly encoded in the system. The basic philosophy and key features of the system are described and are illustrated with examples
keywords	structures, algorithms, knowledge base, systems, optimization, engineering
series	CADline
email
last changed	2003/06/02 13:58

_id	e861
authors	Burnham, G.T.
year	1987
title	Microcomputer-Based Expert System for the Design of Operational Military Airfields
source	Department of Architectural Science, University of Sydney
summary	This thesis develops a number of prototypical expert systems on a microcomputer to assist the military designer or engineer with facets of military operational airfield design. An existing expert system shell BUILD written in PROLOG-1 was altered to provide a more permanent record of the results of the system execution. The individual knowledge base includes production rules which conform to the BUILD syntax requirements. A number of additional clauses related to the knowledge base are written in PROLOG-1. The expert system consists of some 200 rules and an additional 36 clauses. The rules contain knowledge on soil characteristics pertinent to airfields, factors involved in calculating lengths of runways and factors for determining the effort involved in construction. The knowledge for the expert systems was gathered from a combination of civilian and military literature sources, the author's own experience, and discussions with military and air force personnel currently engaged in the design, planning and construction of these facilities. Development of these prototypical expert systems demonstrates the feasibility of implementing expert systems on microcomputers in this domain. Furthermore, it demonstrates their possible application to military engineering design particularly where the design process relies on a large amount of tabulated data and heuristic knowledge. It is this type of knowledge that is often used by the military engineer to find a timely problem solution when provided with a range of options. [Unpublished. -- CADLINE has abstract only.]
keywords	Applications, Military Engineering, Expert Systems, Design, Planning
series	thesis:MSc
last changed	2002/12/14 19:15

_id	a1a1
authors	Cornick, T. and Bull, S.
year	1988
title	Expert Systems for Detail Design in Building
source	CAAD futures ‘87 [Conference Proceedings / ISBN 0-444-42916-6] Eindhoven (The Netherlands), 20-22 May 1987, pp. 117-126
summary	Computer-Aided Architectural Design (CAAD) requires detailed knowledge of the construction of building elements to be effective as a complete design aid. Knowledge-based systems provide the tools for both encapsulating the "rules" of construction - i.e. the knowledge of good construction practice gained from experience - and relating those rules to geometric representation of building spaces and elements. The "rules" of construction are based upon the production and performance implications of building elements and how these satisfy various functional criteria. These building elements in turn may be related to construction materials, components and component assemblies. This paper presents two prototype knowledge-based systems, one dealing with the external envelope and the other with the internal space division of buildings. Each is "component specific" and is based upon its own model of the overall construction. This paper argues that "CAAD requires component specific knowledge bases and that integration of these knowledge bases into a knowledge-based design system for complete buildings can only occur if every knowledge base relates to a single coordinated construction model".
series	CAAD Futures
last changed	1999/04/03 17:58

_id	ecaade2023_138
id	ecaade2023_138
authors	Crolla, Kristof and Wong, Nichol
year	2023
title	Catenary Wooden Roof Structures: Precedent knowledge for future algorithmic design and construction optimisation
doi	https://doi.org/10.52842/conf.ecaade.2023.1.611
source	Dokonal, W, Hirschberg, U and Wurzer, G (eds.), Digital Design Reconsidered - Proceedings of the 41st Conference on Education and Research in Computer Aided Architectural Design in Europe (eCAADe 2023) - Volume 1, Graz, 20-22 September 2023, pp. 611–620
summary	The timber industry is expanding, including construction wood product applications such as glue-laminated wood products (R. Sikkema et al., 2023). To boost further utilisation of engineered wood products in architecture, further development and optimisation of related tectonic systems is required. Integration of digital design technologies in this endeavour presents opportunities for a more performative and spatially diverse architecture production, even in construction contexts typified by limited means and/or resources. This paper reports on historic precedent case study research that informs an ongoing larger study focussing on novel algorithmic methods for the design and production of lightweight, large-span, catenary glulam roof structures. Given their structural operation in full tension, catenary-based roof structures substantially reduce material needs when compared with those relying on straight beams (Wong and Crolla, 2019). Yet, the manufacture of their non-standard geometries typically requires costly bespoke hardware setups, having resulted in recent projects trending away from the more spatially engaging geometric experiments of the second half of the 20th century. The study hypothesis that the evolutionary design optimisation of this tectonic system has the potential to re-open and expand its practically available design solution space. This paper covers the review of a range of built projects employing catenary glulam roof system, starting from seminal historic precedents like the Festival Hall for the Swiss National Exhibition EXPO 1964 (A. Lozeron, Swiss, 1964) and the Wilkhahn Pavilions (Frei Otto, Germany, 1987), to contemporary examples, including the Grandview Heights Aquatic Centre (HCMA Architecture + Design, Canada, 2016). It analysis their structural concept, geometric and spatial complexity, fabrication and assembly protocols, applied construction detailing solutions, and more, with as aim to identify methods, tools, techniques, and construction details that can be taken forward in future research aimed at minimising construction complexity. Findings from this precedent study form the basis for the evolutionary-algorithmic design and construction method development that is part of the larger study. By expanding the tectonic system’s practically applicable architecture design solution space and facilitating architects’ access to a low-tech producible, spatially versatile, lightweight, eco-friendly, wooden roof structure typology, this study contributes to environmentally sustainable building.
keywords	Precedent Studies, Light-weight architecture, Timber shell, Catenary, Algorithmic Optimisation, Glue-laminated timber
series	eCAADe
email
last changed	2023/12/10 10:49

_id	c890
authors	Hutchinson, Peter J., Rosenman, Michael A. and Gero, John S.
year	1987
title	RETWALL : An Expert System for the Selection and Preliminary Design of Earth Retaining Structures
source	Knowledge Based Systems. 1987. vol. 1: pp. 11-23
summary	This paper describes an expert system for the selection and preliminary design of engineering earth retaining structures. It describes the domain and how the knowledge was acquired from textbooks, questionnaires and interviews. Details of the implementation of RETWALL using the expert system shell BUILD are provided as is a full script of a session
keywords	expert systems, knowledge, representation, engineering, applications,knowledge acquisition, software
series	CADline
email
last changed	2003/06/02 13:58

_id	671c
authors	Kalay, Yehuda E., Swerdloff, Lucien M. and Harfmann, Anton C.
year	1987
title	A Knowledge-Based Approach to Dynamic Computer-Aided Design Task Allocation
source	Expert Systems in Computer-Aided Design: Proceeding of the IFIP WG 5.2 Working Conference on Expert system in Computer-Aided Design --- edited by Gero, John S Sydney: North-Holland, 1987. pp. 203-224 : ill. includes bibliography.
summary	A model of the design process control that supports dynamic allocation of tasks between a designer and a computer is presented. The model is discussed theoretically, and is demonstrated through a Prolog implementation for the participatory design of single family houses. Its utility and universal applicability are established, as well as its relationship to other computational approaches to design automation
keywords	expert systems, design process, knowledge base, architecture, control, housing, applications
series	CADline
email
last changed	2003/06/02 13:58

_id	84ee
authors	McLaughlin, S. and Gero, John S.
year	1987
title	Acquiring Expert Knowledge from Characterized Designs
source	Artificial Intelligence for Engineering Design and Manufacturing. 1987. vol. 1: pp. 73-87
summary	The expertise of designers consists primarily of information about the relationship between goals or performance criteria and the attributes of the desired artifact that will result in performances that will satisfy these criteria. Pareto optimization is discussed as a means of structuring designs on the basis of their performance. The induction algorithm ID3 is used as means of inferring general statements about the nature of solutions which exhibit Pareto optimal performance in terms of a set of performance criteria. The rules inferred in a building design domain are compared with those extracted using a heuristic based learning system
keywords	knowledge acquisition, design, optimization, algorithms, learning, inference, architecture, performance
series	CADline
email
last changed	2003/06/02 10:24

_id	6683
authors	Rasdorf, William J. and Wang, TsoJen E.
year	1987
title	Spike : A Generic Design Standards Processing Expert System
source	Southampton, UK: Computational Mechanics Publications, pp. 241-257. Also published in : Applications of Artificial Intelligence in Engineering International Conference Proceedings (2nd. : 1987 : Boston, MA.)
summary	Standards, codes, and specifications play an important role in the design of buildings, bridges, and other engineering systems. A design configuration must be checked against all standards to ensure that it is acceptable. This process of design conformance checking using standards is often very tedious. The successful automation of conformance checking is one of the components of a comprehensive computer-aided design system. In that past, standards were interpreted and converted into application programs written in procedural programming languages such as FORTRAN. This approach is extremely inflexible and often error-prone. To support a fully automated computer-aided design system, standards must be incorporated into the design process in a more generic and flexible manner. This paper investigates the feasibility of alternatively casting standards in a form suitable for processing in a knowledge-based expert system environment. The emergence of expert systems from artificial intelligence research has provided a technology that readily lends itself to the automation of design standards. Knowledge-based expert systems have become a powerful tool in tackling domains like design where some of the problem-solving knowledge is diverse and ill-structured. Using an expert system tool, a standard can be represented and processed independent of a CAD application program. Two prototype standards processing systems utilizing the production system approach have been constructed and are presented herein. Although the obvious direct translation casting the provisions of a standard as rules in a production system has its advantages, a more generic and flexible representation scheme is proposed herein. The approach advocated in this paper is to represent standards as databases of facts which can be readily and generically processed by an expert system. The database representation is derived from a unified view of standards obtained by using the standards modeling tools proposed by previous researchers in this field during the past decade. Building on this existing technology resulted in a knowledge- based standards processing architecture which is generic, modular, and flexible. An implementation of this architecture is presented and described
keywords	standards, civil engineering, expert systems
series	CADline
last changed	2003/06/02 13:58

_id	66e5
authors	Rasdorf, William J. and Wang, TsoJen E.
year	1987
title	Generic Design Standards Processing in a Knowledge-based expert system Environment
source	Design Process, National Science Foundation Workshop Proceedings. 1987. pp. 267-291. CADLINE has abstract only
summary	Standards, codes, and specifications play an important role in the design of buildings, bridges, and other engineering systems. A design configuration must be checked against all standards to ensure that it is acceptable. This process of design conformance checking using standards is often very tedious. The successful automation of conformance checking is one of the components of a comprehensive computer-aided design system. In the past, standards were interpreted and converted into application program written in procedural programming languages such as FORTRAN. This approach is extremely inflexible and often error prone. To support a fully automated computer-aided design system, standards must be incorporated into the design process in a more generic and flexible manner. This paper investigates the feasibility of alternatively casting standards in a form suitable for processing in a knowledge-based expert system environment. The emergence of expert systems from artificial intelligence research has provided a technology that readily lends itself to the automation of design standards. Knowledge-based expert systems have become a powerful tool in tackling domains like design where some of the problem-solving knowledge is diverse and ill-structured. Using an expert system tool, a standard can be represented and processed independent of a CAD application program. Two prototype standards processing systems utilizing the production system approach have been constructed and are presented herein. Although the obvious direct translation casting the provisions of a standard as rules in a production system has its advantages, a more generic and flexible representation scheme is proposed herein. The approach advocated in this paper is to represent standards as databases of facts which can be readily and generically processed by an expert system. The database representation is derived from a unified view of standards obtained by using the standards modeling tools proposed by previous researchers in this field during the past decade. Building on this existing technology resulted in a knowledge- based standards processing architecture which is generic, modular, and flexible. An implementation of this architecture is presented and described
keywords	knowledge base, standards, expert systems, civil engineering
series	CADline
last changed	2003/06/02 13:58

_id	4910
authors	Rasdorf, William J. and Watson, Bruce R.
year	1987
title	A Knowledge-Based Approach to Engineering Information Retrieval and Management
source	London, UK: Chapman and Hall Ltd., 1987. pp. 267-295
summary	Building design, construction, operation, maintenance, and control are all processes that have achieved various levels of computer use. Although the degree of computerization varies significantly, one common aspect of the computing needs of each process is an abundance of data in the form of tables, standards, project definition information, catalogs, etc. In most cases this data is stored in files which are independently used for input to stand-alone single-process application programs, such as a structural analysis application. The utility of these independent files is therefore limited to a single application. As concepts of integration of engineering applications evolved, the use of databases and database management systems (DBMS) increased. A number of issues of significant concern emerged. First, there is a need to retrieve data from many independent, possibly widely distributed databases. Second, there is a need for a uniform means of doing so. Third, such databases routinely undergo dynamic change. Changes in a database schema commonly result from the evolution of a design, from changes in the design process itself, and from changes in other subsequent downstream processes. Such continuing changes must be reflected in the database schemas and they subsequently require that application programs be updated and that online users be educated on a continuing basis. This chapter describes a knowledge-based expert system that provides access to and integration of the many underlying databases needed to support the building design/construction process. The unique aspect of the expert system presented in this chapter is its capture of the knowledge that an experienced human user incorporates in his search for data in a database, i.e., it seeks to identify and use the generic knowledge needed to operate a DBMS to retrieve data. This knowledge is used by the interface to enable both the online users and the application programs to request data without knowing the data's location or precisely how to ask for it. Further, the interface makes use of mechanisms that allow the user to request data without knowing the exact name by which it is stored in the database. In doing so it formalizes the levels of complexity of that knowledge and points out the multidisciplinary applications of the research results
keywords	civil engineering, knowledge base, database, expert systems
series	CADline
last changed	2003/06/02 10:24

_id	aef1
authors	Rosenman, M.A., Gero, J.S. and Coyne, R.D. (et al)
year	1987
title	SOLAREXPERT : A Prototype Expert System for Passive Solar Energy Design in Housing
source	Canberra: Aust NZ Solar Energy Society, 1987. vol.II: pp. 361-370. Also published in People and Technology - Sun, Climate and Building, edited by V. Szokolay, Univ. of Queensland, Brisbane, 1988
summary	Passive solar energy design is not an exact science in which a set of analytical procedures can be followed to produce results. Rather it depends heavily on subjective parameters and experience collected over time which is heuristic by nature. At present this knowledge is available in books but while this knowledge is comprehensive, it is unstructured and not always easy to make use of. A computer-based system allows for flexible interactive dialogue and for the incorporation of analytical procedures which may be required. This paper describes work on SOLAREXPERT, a prototype expert system to aid designers in passive solar energy design for single dwellings. The system operates at a strategic level to provide basic advice on the form of construction and types of passive solar systems and at a spatial zone level to provide more detailed advice on sizes and materials. It allows for modification of the information entered so that users may explore several possibilities
keywords	applications, experience, housing, expert systems, energy, design, architecture
series	CADline
email
last changed	2003/05/17 10:17

_id	2fac
authors	Schmitt, Gerhard
year	1987
title	ARCHPLAN - An Architectural Planning Front End to Engineering Design Expert Systems
source	ii, 22 p. : ill
summary	Engineering Design Research Center, CMU, 1987. EDRC-48-04-87. ARCHPLAN is a knowledge-based ARCHitectural PLANning front end to a set of vertically integrated engineering expert systems. ARCHPLAN is part of a larger project to explore the principles of parallel operation of expert systems in an Integrated Building Design Environment. It is designed toÔ h)000*°° ÔŒ operate in conjunction with HIRISE, a structural design expert system; with CORE and SPACER, two expert systems for the spatial layout of buildings; and with other knowledge based systems dealing with construction planning, specification, and foundation design. ARCHPLAN operates either in connection with these expert systems or as a stand- alone program. It consists of three major parts: the application, the user interface, and the graphics package
keywords	The application offers a knowledge based approach towards the
series	CADline
last changed	1999/02/12 15:09

_id	08a1
authors	Balachandran, M.B. and Gero, John S.
year	1987
title	A Knowledge-based Graphical Interface for Structural Design
source	Southampton: CM Publications, 1987. pp. 335-346
summary	This paper describes a knowledge-based graphical interface for the domain of structural engineering. The key aspects of the system include graphics interpretation, feature extraction of graphic objects and the identification of the entity itself. Details of the implementation of a prototype system using Prolog and C are provided. The domain knowledge is represented as frames. Examples are given to illustrate the performance of the system
keywords	structures, user interface, knowledge base, systems, design, engineering, computer graphics, frames
series	CADline
email
last changed	2003/06/02 13:58

_id	c568
authors	Balachandran, M.B. and John S. Gero
year	1987
title	A Model for Knowledge Based Graphical Interfaces
source	AI '87: Proceedings of the Australian Joint Artificial Intelligence Conference. 1987. pp. 505-521. Also published in Artificial Intelligence Developments and Applications edited by J. S. Gero and R Stanton, North-Holland Pub. 1988. -- CADLINE has abstract only.
summary	This paper describes a model for knowledge-based graphical interface which incorporates a variety of knowledge of the domain of application. The key issues considered include graphics interpretation, extraction of features of graphics objects and identification of prototype objects. The role of such knowledge-based interfaces in computer-aided design is discussed. A prototype system developed in Prolog and C is described and its application in the domain of structural engineering is demonstrated
keywords	user interface, computer graphics, knowledge base, systems, civil engineering, structures
series	CADline
email
last changed	2003/06/02 13:58

_id	0748
authors	Coyne, R.D., Rosenman, M.A. and Radford, A.D. (et.al.)
year	1987
title	Innovation and Creativity in Knowledge-based CAD
source	Amsterdam: North-Holland, 1987. pp. 435-465
summary	The authors examine the creativity of knowledge-based design systems from a narrow information processing perspective. As a property of the design process innovation and creativity can be identified by observing both the quality of the product, and also the characteristics of the process itself. The key theme running through the discussion is the acquisition of knowledge as the key to understanding creativity. This involves not only the ability of a system to acquire knowledge, but also its ability to control its own processes and change its own structure. In order to discuss this view a model of design systems is put forward in which a distinction between interpretative and syntactic subsystems for innovation and creativity is made
keywords	design process, knowledge base, systems, creativity, knowledge acquisition, representation
series	CADline
email
last changed	2003/05/17 10:13

_id	68cb
authors	Fenves, Stephen J. and Baker, Nelson C.
year	1987
title	Spatial and Functional Representation Language for Structural Design
source	21 p. : ill. Pittsburgh: Engineering Design Research Center, CMU, December, 1987. includes bibliography
summary	Knowledge-based systems for structural design developed to date have used simple geometric representations which have not provided adequate spatial reasoning. Shape grammars are suggested as a representation for a knowledge-based system capable of performing spatial and functional reasoning. The representation needs to serve all disciplines involved in the design process, where different semantics of each discipline are associated with the same spatial information about design objects. The representation is demonstrated in the building design environment, where possible structural systems can be generated dependent upon the building's spatial layout
keywords	representation, shape grammars, structures, design, problem solving, planning, civil engineering, architecture
series	CADline
last changed	2003/06/02 10:24

_id	8eb5
authors	Gero, John S. (Conference Chairman and Editor)
year	1987
title	Expert Systems in Computer-Aided Design
source	IFIP WG 5.2 Working Conference on Expert Systems in Computer-Aided Design. proceedings. 1987. 533 p. : ill. Amsterdam: North-Holland, 1987. Also published as a book by North Holland (Amsterdam, 1987)
summary	The aim of the Expert Systems in Computer-Aided Design conference was to provide a forum for the exchange of ideas and experiences related to expert systems in computer-aided design, to present and explore the state-of-the-art of expert systems in computer-aided design, to delineate future directions in both research and practice and to promote further development. Seventeen of the nineteen papers accepted were presented with each presentation followed by a round table discussion. The discussion was taped, transcribed and edited and forms part of this volume. The authors came from seven countries, whilst the attendees represented some thirteen nationalities. There is an implicit structure in the ordering of the papers, commencing with system architectures, representation tools through applications to specific design concerns. These papers demonstrate the wide variety of knowledge engineering tools needed in computer-aided design. It is interesting to observe the progression over these three conferences in the ratio of computer scientists to design researchers amongst the authors. The balance over the period has swung from a predominance of computer scientists to a predominance of design researchers. We are beginning to see knowledge engineering development driven by designers' needs
keywords	CAD, expert systems, AI, design
series	CADline
email
last changed	2003/06/02 13:58

_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	ce3b
authors	Mitchell, J.R. and Radford, Antony D.
year	1987
title	EAVE, A Generative Expert System for Detailing
source	Environment and Planning B. 1987. vol. 14: pp. 281-292
summary	Grammars of shapes and designs are rule-based models for the generation of members of a class of designs. The applicability of the formalism as a basis for generative expert systems for construction details in computer-aided design is discussed. A demonstration system is presented
keywords	applications, automation, synthesis, shape grammars, CAD, expert systems
series	CADline
last changed	2003/06/02 14:41

_id	404e
authors	Oksala , T.
year	1988
title	Logical Models for Rule-based CAAD
source	CAAD futures ‘87 [Conference Proceedings / ISBN 0-444-42916-6] Eindhoven (The Netherlands), 20-22 May 1987, pp. 107-116
summary	The aim of this paper is to present the basic results of a theoretic approach to represent architectural individual forms in CAD systems. From the point of view of design methodology and problem solving these descriptions might be conceived' as parts of possible environments satisfying the laws of some design theory in logical sense. This paper describes results in a series of logical studies towards rule and knowledge based systems for design automation. The effective use of programming languages and computers as design aids in architecture presupposes certain capabilities to articulate built environment logically. The use of graphic languages in the description of environmental items e.g. buildings might be theoretically mastered by formal production systems including linguistic, geometric, and spatio-material generation. The combination of the power of formal mechanisms and logical individual calculus offers suitable framework to generate arbitrary e.g. free spatial compositions as types or unique solutions. In this frame it is natural to represent in a coherent way very complex hierarchical parsing of buildings in explicit form as needed in computer implementations. In order to simulate real design work the individual configurations of possible built forms should be designed to satisfy known rules. In the preliminary stage partial solutions to design problems may be discussed in mathematical terms using frameworks like lattices, graphs, or group theoretical considerations of structural, functional, and visual organization of buildings. The capability to produce mathematically sophisticated geometric structures allows us to generalize the approach further. The theoretical design knowhow in architecture can be partly translated in to some logic and represented in a knowledge base. These rules are used as selection criteria for geometric design candidates in the sense of logical model theory and mathematical optimization. The economy of the system can be developed by using suitable conduct mechanisms familiar e.g. from logic programming. The semantics of logic offers a frame to consider computer assisted and formal generation in design. A number of semantic and pragmatic problems, however, remain to be solved. In any case conceptual analyses based on logic are applicable in order to rationally reconstruct architectural goals contributing to the quality of environmental design, which should be the main goal in the development of design systems in near future.
series	CAAD Futures
last changed	1999/04/03 17:58

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