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	032b
authors	Cicognani, Anna
year	1998
title	A linguistic characterisation of design in text-based virtual worlds
source	University of Sydney
summary	In this research, it is suggested that design in text-based virtual worlds can be identified as a series of interactions between users and the virtual environment, and that these interactions for design can be approached using a linguistic perspective. The main assumption of this research is that a parallel can be drawn between the performance of design commands, and the one of speech acts in the physical world. Design in text-based virtual environments can then be articulated using a restricted set of speech acts, as design commands. Virtual worlds, represented as spaces, can be constructed following an architectural design metaphor. This metaphor provides a framework for the organisation of virtual entity relationships, and for the choice of words used to design. A linguistic characterisation is presented, by means of design activities, prototypes and scenarios, which derive from the architectural design metaphor. The characterisation of design is then validated by the analysis of an existing text-based virtual world.
keywords	Virtual Reality; Human-Computer Interaction; Computer-Aided Design; Programming Languages (Electronic Computers); Semantics; Programming Languages (Electronic Computers); Design
series	thesis:PhD
email
last changed	2003/02/12 22:37

_id	c0e0
authors	Campbell, Dace
year	1998
title	Architectural Construction Documents on the Web: VRML as a Case Study
source	Digital Design Studios: Do Computers Make a Difference? [ACADIA Conference Proceedings / ISBN 1-880250-07-1] Québec City (Canada) October 22-25, 1998, pp. 266-275
doi	https://doi.org/10.52842/conf.acadia.1998.266
summary	The Virtual Reality Modeling Language (VRML) and the World Wide Web (WWW) offer new opportunities to communicate an architect’s design intent throughout the design process. We have investigated the use of VRML in the production and communication of construction documents, the final phase of architectural building design. A prototype, experimental Web site was set up and used to disseminate design data as VRML models and HTML text to the design client, contractor, and fabricators. In this paper, we discuss the way our construction documents were developed in VRML, the issues we faced implementing it, and critical feedback from the users of the Web space/site. We analyze the usefulness of VRML as a communication tool for the design and construction industries. Finally, we discuss technical, social, and legal issues the AEC industry faces as it shifts to embrace widespread use of a “paperless” Web-based communications infrastructure for design documentation.
series	ACADIA
email
last changed	2022/06/07 07:54

_id	avocaad_2001_02
id	avocaad_2001_02
authors	Cheng-Yuan Lin, Yu-Tung Liu
year	2001
title	A digital Procedure of Building Construction: A practical project
source	AVOCAAD - ADDED VALUE OF COMPUTER AIDED ARCHITECTURAL DESIGN, Nys Koenraad, Provoost Tom, Verbeke Johan, Verleye Johan (Eds.), (2001) Hogeschool voor Wetenschap en Kunst - Departement Architectuur Sint-Lucas, Campus Brussel, ISBN 80-76101-05-1
summary	In earlier times in which computers have not yet been developed well, there has been some researches regarding representation using conventional media (Gombrich, 1960; Arnheim, 1970). For ancient architects, the design process was described abstractly by text (Hewitt, 1985; Cable, 1983); the process evolved from unselfconscious to conscious ways (Alexander, 1964). Till the appearance of 2D drawings, these drawings could only express abstract visual thinking and visually conceptualized vocabulary (Goldschmidt, 1999). Then with the massive use of physical models in the Renaissance, the form and space of architecture was given better precision (Millon, 1994). Researches continued their attempts to identify the nature of different design tools (Eastman and Fereshe, 1994). Simon (1981) figured out that human increasingly relies on other specialists, computational agents, and materials referred to augment their cognitive abilities. This discourse was verified by recent research on conception of design and the expression using digital technologies (McCullough, 1996; Perez-Gomez and Pelletier, 1997). While other design tools did not change as much as representation (Panofsky, 1991; Koch, 1997), the involvement of computers in conventional architecture design arouses a new design thinking of digital architecture (Liu, 1996; Krawczyk, 1997; Murray, 1997; Wertheim, 1999). The notion of the link between ideas and media is emphasized throughout various fields, such as architectural education (Radford, 2000), Internet, and restoration of historical architecture (Potier et al., 2000). Information technology is also an important tool for civil engineering projects (Choi and Ibbs, 1989). Compared with conventional design media, computers avoid some errors in the process (Zaera, 1997). However, most of the application of computers to construction is restricted to simulations in building process (Halpin, 1990). It is worth studying how to employ computer technology meaningfully to bring significant changes to concept stage during the process of building construction (Madazo, 2000; Dave, 2000) and communication (Haymaker, 2000).In architectural design, concept design was achieved through drawings and models (Mitchell, 1997), while the working drawings and even shop drawings were brewed and communicated through drawings only. However, the most effective method of shaping building elements is to build models by computer (Madrazo, 1999). With the trend of 3D visualization (Johnson and Clayton, 1998) and the difference of designing between the physical environment and virtual environment (Maher et al. 2000), we intend to study the possibilities of using digital models, in addition to drawings, as a critical media in the conceptual stage of building construction process in the near future (just as the critical role that physical models played in early design process in the Renaissance). This research is combined with two practical building projects, following the progress of construction by using digital models and animations to simulate the structural layouts of the projects. We also tried to solve the complicated and even conflicting problems in the detail and piping design process through an easily accessible and precise interface. An attempt was made to delineate the hierarchy of the elements in a single structural and constructional system, and the corresponding relations among the systems. Since building construction is often complicated and even conflicting, precision needed to complete the projects can not be based merely on 2D drawings with some imagination. The purpose of this paper is to describe all the related elements according to precision and correctness, to discuss every possibility of different thinking in design of electric-mechanical engineering, to receive feedback from the construction projects in the real world, and to compare the digital models with conventional drawings.Through the application of this research, the subtle relations between the conventional drawings and digital models can be used in the area of building construction. Moreover, a theoretical model and standard process is proposed by using conventional drawings, digital models and physical buildings. By introducing the intervention of digital media in design process of working drawings and shop drawings, there is an opportune chance to use the digital media as a prominent design tool. This study extends the use of digital model and animation from design process to construction process. However, the entire construction process involves various details and exceptions, which are not discussed in this paper. These limitations should be explored in future studies.
series	AVOCAAD
email
last changed	2005/09/09 10:48

_id	a96f
id	a96f
authors	Clayton, M., Johnson, R., Song, Y and Al-Qawasmi, J.
year	1998
title	Delivering Facility Documentation using Intranet Technology
source	Digital Design Studios: Do Computers Make a Difference? [ACADIA Conference Proceedings / ISBN 1-880250-07-1] Québec City (Canada) October 22-25, 1998, pp. 240-253
doi	https://doi.org/10.52842/conf.acadia.1998.240
summary	Intranet technologies present new opportunities for delivering facility documentation for use in facility management. After the design stage, building documentation is reused to support construction and then facility operation. However, a common perception is that construction documents and as-built drawings are less than optimal for reuse to support operations. We have conducted a study of facility management processes and the information content of facility documentation in the context of information technologies that are emerging into the marketplace. The study provides guidance for facility managers who are implementing and fielding new information technology systems. A better understanding of information needs during operations may also help designers to better structure their own documents for reuse. An analysis of documents that are used throughout the life cycle of facilities has led us to a characterization of operations documents that are distinct from design drawings, record drawings or as-built drawings. From an analysis of facility management processes, we have identified different roles for facility documentation in those processes. Facility documentation may be used as a resource, as input, or as output. Furthermore, from interviews of facility management personnel, we identified facility information that was rated high in importance and low in satisfaction that might be targeted when implementing a facility information system. We prepared software demonstrations that show how the information may be extracted from drawings, entered into databases and then retrieved via Web and CAD interfaces. We suggest that operations documents consist of a variety of information types and require several kinds of information tools, including databases, CAD drawings and hypertext. Intranet technologies, databases and CAD software can be integrated to achieve facility management systems that address shortcomings in current facility management operations. In particular, intranet technologies provide improved accessibility to information for facility management customers and occasional users of the systems. Our study has produced recommendations based upon utility and ease-of-implementation for delivery of information from the design team to the owner, and among personnel during operation of the facility.
series	ACADIA
email
last changed	2022/06/07 07:56

_id	5477
authors	Donath, D., Kruijff, E., Regenbrecht, H., Hirschberg, U., Johnson, B., Kolarevic, B. and Wojtowicz, J.
year	1999
title	Virtual Design Studio 1998 - A Place2Wait
source	Architectural Computing from Turing to 2000 [eCAADe Conference Proceedings / ISBN 0-9523687-5-7] Liverpool (UK) 15-17 September 1999, pp. 453-458
doi	https://doi.org/10.52842/conf.ecaade.1999.453
summary	This article reports on the recent, geographically and temporally distributed, intercollegiate Virtual Design Studio based on the 1998 implementation Phase(x) environment. Students participating in this workshop had to create a place to wait in the form of a folly. This design task was cut in five logical parts, called phases. Every phase had to be finished within a specific timeframe (one day), after which the results would be stored in a common data repository, an online MSQL database environment which holds besides the presentations, consisting of text, 3D models and rendered images, basic project information like the descriptions of the phases and design process visualization tools. This approach to collaborative work is better known as memetic engineering and has successfully been used in several educational programs and past Virtual Design Studios. During the workshop, students made use of a variety of tools, including modeling tools (specifically Sculptor), video-conferencing software and rendering programs. The project distinguishes itself from previous Virtual Design Studios in leaving the design task more open, thereby focusing on the design process itself. From this perspective, this paper represents both a continuation of existing reports about previous Virtual Design Studios and a specific extension by the offered focus. Specific attention will be given at how the different collaborating parties dealt with the data flow and modification, the crux within a successful effort to cooperate on a common design task.
keywords	Collaborative design, Design Process, New Media Usage, Global Networks
series	eCAADe
email
last changed	2022/06/07 07:55

_id	2587
authors	Gong, Yihong
year	1998
title	Intelligent image databases
source	Boston, Kluwer
summary	Intelligent Image Databases: Towards Advanced Image Retrieval addresses the image feature selection issue in developing content-based image retrieval systems. The book first discusses the four important issues in developing a complete content-based image retrieval system, and then demonstrates that image feature selection has significant impact on the remaining issues of system design. Next, it presents an in-depth literature survey on typical image features explored by contemporary content-based image retrieval systems for image matching and retrieval purposes. The goal of the survey is to determine the characteristics and the effectiveness of individual features, so as to establish guidelines for future development of content-based image retrieval systems. Intelligent Image Databases: Towards Advanced Image Retrieval describes the Advanced Region-Based Image Retrieval System (ARBIRS) developed by the authors for color images of real-world scenes. They have selected image regions for building ARBIRS as the literature survey suggests that prominent image regions, along with their associated features, provide a higher probability for achieving a higher level content-based image retrieval system. A major challenge in building a region-based image retrieval system is that prominent regions are rather difficult to capture in an accurate and error-free condition, particularly those in images of real-world scenes. To meet this challenge, the book proposes an integrated approach to tackle the problem via feature capturing, feature indexing, and database query. Through comprehensive system evaluation, it is demonstrated how these systematically integrated efforts work effectively to accomplish advanced image retrieval. Intelligent Image Databases: Towards Advanced Image Retrieval serves as an excellent reference and may be used as a text for advanced courses on the topic.
series	other
last changed	2003/04/23 15:14

_id	cf2009_poster_43
id	cf2009_poster_43
authors	Oh, Yeonjoo; Ellen Yi-Luen Do, Mark D Gross, and Suguru Ishizaki
year	2009
title	Delivery Types And Communication Modalities In The Flat-Pack Furniture Design Critic
source	T. Tidafi and T. Dorta (eds) Joining Languages Cultures and Visions: CAADFutures 2009 CD-Rom
summary	A computer-based design critiquing system analyzes a proposed solution and offers critiques (Robbins 1998). Critiques help designers identify problems as well as opportunities to improve their designs. Compared with human critics, today’s computer-based critiquing systems deliver feedback in quite restricted manner. Most systems provide only negative evaluations in text; whereas studio teachers critique by interpreting the student’s design, introducing new ideas, demonstrating and giving examples, and offering evaluations (Bailey 2004; Uluoglu 2000) using speech, writing, and drawing to communicate (Anthony 1991; Schön 1983). This article presents a computer-based critiquing system, Flat-pack Furniture Design Critic (FFDC). This system supports multiple delivery types and modalities, adapting the typical system architecture of constraint-based intelligent tutors (Mitrovic et al. 2007).
keywords	Critiquing system, design critiquing
series	CAAD Futures
type	poster
email
last changed	2009/07/08 22:12

_id	2557
authors	Reisig, W.
year	1998
title	Elements of Distributed Algorithms: Modeling and Analysis with Petri Nets
source	Springer Verlag, Berlin
summary	A variety of distributed algorithms are presented and proven correct in this book. A (Petri net based) technique to model and to analyze distributed algorithms is coincidently presented. This technique focusses on local states, independent actions, and synchronization of distributed threads of control. This book's scope is modest, as it sticks to a choice of small and medium size distributed algorithms. Compositionality, stepwise refinement, interface specification, abstraction, etc., are not covered. Nevertheless, this book's claims are ambitious: Just as PASCAL-like programming structures and Hoare-style proof techniques appear optimal for a wide class of sequential algorithms, this book's formalism is suggested to be optimal for a wide class of distributed algorithms. Particular preliminary knowledge is not assumed in this text, besides basics in formal concepts and a general intuitive understanding of computer science. The text provides a basis for university courses and can help the practitioner to design distributed algorithms. The hurried reader may just study the pictures.
series	other
last changed	2003/04/23 15:14

_id	66c1
authors	Scott, Sam
year	1998
title	Feature Engineering for a Symbolic Approach to Text Classification
source	University of Ottawa Computer Science
summary	Most text classification research to date has used the standard 'bag of words' model for text representation inherited from the word-based indexing techniques used in information retrieval research. There have been a number of past attempts to find better representations, but very few positive results have been found. Most of this previous work, however, has concentrated on retrieval rather than classification tasks, and none has involved symbolic learning algorithms. This thesis investigates a number of feature engineering methods for text classification in the context of a symbolic rule-based learning algorithm. The focus is on changing the standard 'bag of words' representation of text by incorporating some shallow linguistic processing techniques. Several new representations of text are explored in the hopes that they will allow the learner to find points of high information gain that were not present in the original set of words. Representations based on both semantic and syntactic linguistic knowledge are defined and evaluated using the RIPPER rule-learning system. Two major corpora are used for evaluation: a standard, widely-used corpus of news stories, and a new corpus of folk song lyrics. The results of the experiments are mostly negative. Although in some cases the new representations are at least as good as the bag of words, the improvements in quantitative performance that were hoped for do not materialize. However, the results are not entirely discouraging. The syntactically defined representations may enable the learner to produce simpler and more comprehensible hypotheses, and the semantically defined representations do produce some real performance gains on smaller classification tasks that for various reasons fail to scale up to larger tasks. Some ideas are offered as to why the new representations fail to produce better results, and some suggestions are made for continuing the research in future.
series	thesis:MSc
last changed	2003/02/12 22:37

_id	avocaad_2001_16
id	avocaad_2001_16
authors	Yu-Ying Chang, Yu-Tung Liu, Chien-Hui Wong
year	2001
title	Some Phenomena of Spatial Characteristics of Cyberspace
source	AVOCAAD - ADDED VALUE OF COMPUTER AIDED ARCHITECTURAL DESIGN, Nys Koenraad, Provoost Tom, Verbeke Johan, Verleye Johan (Eds.), (2001) Hogeschool voor Wetenschap en Kunst - Departement Architectuur Sint-Lucas, Campus Brussel, ISBN 80-76101-05-1
summary	"Space," which has long been an important concept in architecture (Bloomer & Moore, 1977; Mitchell, 1995, 1999), has attracted interest of researchers from various academic disciplines in recent years (Agnew, 1993; Benko & Strohmayer, 1996; Chang, 1999; Foucault, 1982; Gould, 1998). Researchers from disciplines such as anthropology, geography, sociology, philosophy, and linguistics regard it as the basis of the discussion of various theories in social sciences and humanities (Chen, 1999). On the other hand, since the invention of Internet, Internet users have been experiencing a new and magic "world." According to the definitions in traditional architecture theories, "space" is generated whenever people define a finite void by some physical elements (Zevi, 1985). However, although Internet is a virtual, immense, invisible and intangible world, navigating in it, we can still sense the very presence of ourselves and others in a wonderland. This sense could be testified by our naming of Internet as Cyberspace -- an exotic kind of space. Therefore, as people nowadays rely more and more on the Internet in their daily life, and as more and more architectural scholars and designers begin to invest their efforts in the design of virtual places online (e.g., Maher, 1999; Li & Maher, 2000), we cannot help but ask whether there are indeed sensible spaces in Internet. And if yes, these spaces exist in terms of what forms and created by what ways?To join the current interdisciplinary discussion on the issue of space, and to obtain new definition as well as insightful understanding of "space", this study explores the spatial phenomena in Internet. We hope that our findings would ultimately be also useful for contemporary architectural designers and scholars in their designs in the real world.As a preliminary exploration, the main objective of this study is to discover the elements involved in the creation/construction of Internet spaces and to examine the relationship between human participants and Internet spaces. In addition, this study also attempts to investigate whether participants from different academic disciplines define or experience Internet spaces in different ways, and to find what spatial elements of Internet they emphasize the most.In order to achieve a more comprehensive understanding of the spatial phenomena in Internet and to overcome the subjectivity of the members of the research team, the research design of this study was divided into two stages. At the first stage, we conducted literature review to study existing theories of space (which are based on observations and investigations of the physical world). At the second stage of this study, we recruited 8 Internet regular users to approach this topic from different point of views, and to see whether people with different academic training would define and experience Internet spaces differently.The results of this study reveal that the relationship between human participants and Internet spaces is different from that between human participants and physical spaces. In the physical world, physical elements of space must be established first; it then begins to be regarded as a place after interaction between/among human participants or interaction between human participants and the physical environment. In contrast, in Internet, a sense of place is first created through human interactions (or activities), Internet participants then begin to sense the existence of a space. Therefore, it seems that, among the many spatial elements of Internet we found, "interaction/reciprocity" Ñ either between/among human participants or between human participants and the computer interface Ð seems to be the most crucial element.In addition, another interesting result of this study is that verbal (linguistic) elements could provoke a sense of space in a degree higher than 2D visual representation and no less than 3D visual simulations. Nevertheless, verbal and 3D visual elements seem to work in different ways in terms of cognitive behaviors: Verbal elements provoke visual imagery and other sensory perceptions by "imagining" and then excite personal experiences of space; visual elements, on the other hand, provoke and excite visual experiences of space directly by "mapping".Finally, it was found that participants with different academic training did experience and define space differently. For example, when experiencing and analyzing Internet spaces, architecture designers, the creators of the physical world, emphasize the design of circulation and orientation, while participants with linguistics training focus more on subtle language usage. Visual designers tend to analyze the graphical elements of virtual spaces based on traditional painting theories; industrial designers, on the other hand, tend to treat these spaces as industrial products, emphasizing concept of user-center and the control of the computer interface.The findings of this study seem to add new information to our understanding of virtual space. It would be interesting for future studies to investigate how this information influences architectural designers in their real-world practices in this digital age. In addition, to obtain a fuller picture of Internet space, further research is needed to study the same issue by examining more Internet participants who have no formal linguistics and graphical training.
series	AVOCAAD
email
last changed	2005/09/09 10:48

_id	ddss9801
id	ddss9801
authors	Achten, Henri and Leeuwen, Jos van
year	1998
title	A Feature-Based Description Technique for Design Processes: A Case Study
source	Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary	In order to develop appropriate tools for decision support in design processes, it is necessary to found them on an understanding of design. Analytical techniques of design processes that have a direct relationship with tool development can enhance design support systems development. The paper focuses on a design support system in the VR-DIS research program. The aim of this research program is to develop insight in the architectural design process and to establish design tools for architectsworking in Virtual Reality. The basic approach for data modelling in VR in this research is based on an extension of the Feature Based Modelling paradigm taken from design in mechanical engineering. The computer model of the design in the system is a Feature-based model. This paper describes design processes in terms of changes in the Feature-based model of the design. For this purpose, a case of a house design is used. Drawings in the conceptual design phase up to the preliminary design phase arestudied. Each state of the drawings is described in terms of a Feature-model. Particular design actions such as creation of spaces, definition of architectural elements, and changes during the design process can be expressed in terms of changes in the Feature-model. Because of the use of Features, the changes can be formalised in the VR-DIS system. The description in terms of Features offers an analytical toolthat leads to a functional brief for design support tools. The paper ends with a discussion of implications and future work.
series	DDSS
last changed	2003/11/21 15:15

_id	ddss9802
id	ddss9802
authors	Akin, O., Aygen, Z., Cumming, M., Donia, M., Sen, R. and Zhang, Y.
year	1998
title	Computational Specification of Building Requirements in theEarly Stages of Design
source	Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary	We have been exploring computational techniques to help building designers to specify design requirements during the early stages of design. In the past, little has been accomplished in this area either in terms of innovative computational technologies or the improvement of design performance.The prospect of improving design productivity and creating a seamless process between requirements specification and formal design are our primary motivations. This research has been conducted as partof a larger project entitled SEED (Software Environment to Support Early Phases in Building Design). SEED features an open-ended modular architecture, where each module provides support for a design activity that takes place in early design stages. Each module is supported by a database to store and retrieve information, as well as a user interface to support the interaction with designers. The module described in this paper, SEED-Pro (the architectural programming module of SEED), is a workingprototype for building design requirements specification. It can be used by other modules in SEED or by design systems in other domains, such as mechanical engineering, civil engineering, industrial designand electrical engineering. Our approach to SEED-Pro is divided into two phases: core, and support functionalities. The core functionalities operate in an interactive mode relying on a case-based approach to retrieve and adapt complex specification records to the problem at hand. The supportfunctionalities include the case-base, the data-base, and the standards processing environment for building specification tasks. Our findings indicate that SEED-Pro: (1) is a tool that structures the unstructured domain of design requirements; (2) enables the integration of design requirements with the rest of the design process, (3) leads to the creation of complex case-bases and (4) enables the observation of their performance in the context of real world design problems.
series	DDSS
last changed	2003/11/21 15:15

_id	ddssar0203
id	ddssar0203
authors	Alkass, Sabah and Jrade, Ahmad
year	2002
title	A Web-Based Virtual Reality Model for Preliminary Estimates of Hi-Rise Building Projects
source	Timmermans, Harry (Ed.), Sixth Design and Decision Support Systems in Architecture and Urban Planning - Part one: Architecture Proceedings Avegoor, the Netherlands), 2002
summary	Cost estimating of a construction project at its early stage is considered to be very important task since it will be used as a base to commit or otherwise not to commit funds to that project. Preparation of a reliableand realistic preliminary estimate to aid the decision makers to commit funds for a specific project is a complicated assignment. Traditional methods and operations produced unsatisfactory aid due to lack ofaccuracy especially in the pre-design stage of a project. This participates in the increase of percentage of bankruptcy in the construction industry, which has dramatically climbed up and ranked as 15 percent of thewhole bankruptcies claimed in Canada (Statistic Canada 1998). This paper presents a methodology for developing and a Web-based model to automate preliminary cost estimates for hi-rise buildings. This is achieved by integrating a database with design drawings in a Virtual Reality (VR) environment. The model will automatically generate preliminary estimates after modifying a 3D CAD drawing. It provides the user the option to visualize and simulate the drawing and its cost data through VR environment. Having done that, it will allow owners, architects and cost engineers to view a constructed building project, change its geometric objects and shapes, and accordingly generate a new conceptual cost estimate.
series	DDSS
last changed	2003/11/21 15:15

_id	0f09
authors	Ando, H., Kubota, A. and Kiriyama, T.
year	1998
title	Study on the collaborative design process over the internet: A case study on VRML 2.0 specification design
source	Design Studies 19, pp. 289-308
summary	In this paper, we analyze the process of VRML 2.0 (Virtual Reality Modeling Language, Version 2.0) specification design for the deeper understanding of Internet-based collaboration. The VRML design process has the characteristics of being open to the public, geographically distributed, long-term, large-scale, and diverse. First, we examine the overall features of the design process by analyzing the VRML mailing list archive statistically. Secondly, we extract prototyping vocabulary (operational patterns) from the document change log. Thirdly, we analyze the process of proposing and agreeing with the PROTO node in detail. The results of analysis provide us with a guidance for facilitating innovation in the Internet-based collaboration.
series	journal paper
last changed	2003/11/21 15:15

_id	ddss9803
id	ddss9803
authors	Arentze, T., Borgers, A. and Timmermans, H.
year	1998
title	Extending spatial DSS with spatial choice models of multipurpose shopping trip behaviour
source	Timmermans, Harry (Ed.), Fourth Design and Decision Support Systems in Architecture and Urban Planning Maastricht, the Netherlands), ISBN 90-6814-081-7, July 26-29, 1998
summary	Spatial choice or interaction models have been widely used in spatial DSS or customised GIS for analysing the impacts of retail location plans. The models typically used, however, do not account for spatial agglomeration effects on spatial choice behaviour. This study develops a model system for analysing the impacts of retail plans based on a choice model of multipurpose behaviour developed in earlier work. The model system is implemented in the spatial DSS called Location Planner. An empirical study demonstrates the empirical estimation and use of the model for analysing the impacts of an expansion of floor space in the major shopping centre of a middle-sized city in The Netherlands. The results indicate that agglomeration effects as predicted by the model can have substantial impacts on the performance of retail systems. Therefore, it is argued that when incorporated in a spatial DSS, the more complex models have the potential to improve the use of these systems for impact analysis.
series	DDSS
last changed	2003/11/21 15:16

_id	ascaad2006_paper19
id	ascaad2006_paper19
authors	Arjun, G. and J. Plume
year	2006
title	Collaborative Architectural Design as a reflective Conversation: an agent facilitated system to support collaborative conceptual design
source	Computing in Architecture / Re-Thinking the Discourse: The Second International Conference of the Arab Society for Computer Aided Architectural Design (ASCAAD 2006), 25-27 April 2006, Sharjah, United Arab Emirates
summary	In this paper, definitions of collaborative design are discussed and understood in terms of a designer’s cognitive collaborations to explore his/her experiential memory for remote idea associations. Based on Schon’s reflective practice theory, Valkenburg and Dorst’s (1998) description of collaborative team designing is adopted as a model for a proposed design conversation system. The design conversation system is aimed at triggering the experiential memory of the designer by associating significant ideas from different design domains to provide different perspectives of a design situation. The paper describes a proposed framework for the design conversation system incorporating computational agents in a blackboard architecture environment.
series	ASCAAD
email
last changed	2007/04/08 19:47

_id	0f4c
authors	Asanowicz, Aleksander
year	1998
title	From Real to Cyber Reality
source	Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 11-19
summary	Human activity takes place in two planes, at two levels. Practical activity is present in one of the planes, the other level is occupied by purely cognitive activity. When observing sufficiently long sequences of practical and cognitive activities, one notices transitions between them, which prove true the suspicions of their functional relationship. Because on both of these planes of human activity there is always one and the same element present - an informative element - which on the first plane functions as subordinate, and in the other as an independent one, one can search for a common characteristic for both planes. Such common characteristic for both levels of human activity can be perceived in the fact that in both situations the activity of a human is based on CREATION. Human thinking is based on transitions between what is accessible through experience and what is referred to conceptually. The human thought exists only and exclusively in the vertical motion: from the phenomenal level to the structural level direction of abstraction) and from the conceptual level to the empirical level direction of concretisation). All human activity is multilayered or, more precisely, it is an activity within many layers: the sensual one as well as the structural one. The appearance of conceptual thinking has created a qualitatively new type of a situation. This novelty can be easily seen both in the sphere of the practical cognitive activity as well as in the sphere of the pure cognitive activity. In both cases, the cognitive activity of a human is of a "double-decker" character: image and concept. It is necessary to note here that the "image" does not only mean structural, concrete, but also one which is purely visual, abstract, of no physical form. Therefore, the human experience, being the result of the cognitive activity, is being expressed, becoming objective, materialising in two different but compatible ways. Firstly, in the material structures of practical significance - this way the material culture is created. Secondly - in material structures which have no practical meaning but are solely used for expressing the spiritual contents - thus creating the spiritual culture. Humans have developed an extraordinarily strong need for spiritual activity, which is manifested by the material activity, redundant from the point of view of the material needs.
series	plCAD
email
last changed	2003/05/17 10:01

_id	a037
authors	Aygen, Z. and Flemming, U.
year	1998
title	Classification of Precedents - A Hybrid Approach to Indexing and Retrieving Design Cases in SEED (a Software Environment for the Early Phases of Building Design)
source	CAADRIA ‘98 [Proceedings of The Third Conference on Computer Aided Architectural Design Research in Asia / ISBN 4-907662-009] Osaka (Japan) 22-24 April 1998, pp. 435-444
doi	https://doi.org/10.52842/conf.caadria.1998.435
summary	An efficient indexing of past solutions is crucial to case-based design (CBD) systems performing complex retrieval on large case-bases. This paper suggests a hybrid approach to the indexing and retrieval of design precedents. The suggested approach accounts for the issues of classification manifested in architectural discussions on type and CBD literature. The indexing scheme integrates description-logic based representation for classification and an object-based representation for precedents. The hybrid scheme constitutes a basis for the implementation of a generic case indexing and retrieval mechanism for SEED.
keywords	Case-Based Design, Classification, Typology
series	CAADRIA
email
more	http://www.caadria.org
last changed	2022/06/07 07:54

_id	c373
authors	Baldwin, A.N., Austin, S.A., Hassan, T.M. and Thorpe, A.
year	1998
title	Planning building design by simulating information flow
source	Automation in Construction 8 (2) (1998) pp. 149-163
summary	Successful project management requires the effective control of the design teams and the exchange of information between them for successful design management. This paper describes a methodology involving discrete event simulation that can help the planning and control of building design. Discipline-based information flow models of the building design process are used to define the activities of the simulation model, concentrating on the concept and schematic design stages. Factors such as task durations and resources are then allocated along with any specific constraints that are to be evaluated. The model predicts the outcomes of the specific scenario of information related events, including design schedules and resource histograms. The paper describes the development and validation of the simulation model and discusses its potential application during the planning and design phases of building projects. It is concluded that this approach could form the basis of a useful tool for design managers responsible for multidisciplinary building design work.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	4c8a
authors	Ball, L.J., Maskill, L. and Ormerod, T.C.
year	1998
title	Satisficing in engineering design: causes, consequences and implications for design support
source	Automation in Construction 7 (2-3) (1998) pp. 213-227
summary	We describe an approach to investigating design cognition which involved comparing prescriptive theories of good design practice with observations of actual design behaviour. The tenet of prescriptive theory which formed the focus of the research is the idea that designers should generate and evaluate multiple design alternatives in order to increase the chances of attaining better design solutions than might arise if they fixated upon an initial solution. Our study focused upon six professional electronic engineers attempting a novel integrated-circuit design problem. Verbal-protocol data revealed: (i) a failure to search for alternative solutions; (ii) a marked inclination to stick with early `satisficing' solution ideas even when these were showing deficiencies; and (iii) only superficial modelling and assessment of competing alternatives when such options were actually considered. We argue that while minimal solution search in design may sometimes be caused by motivational factors and working-memory limitations, its major determinant relates to inhibitory memory processes that arise subsequent to the recognition-based emergence of familiar design solutions. We conclude by exploring the implications of minimal solution search for design support, with particular reference to an agent-based indexing system which we are developing in order to facilitate the pursuit of design alternatives in engineering contexts.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

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