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	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	67f0
authors	Heng, L.
year	1998
title	Petri net as a formalism to assist process improvement in the construction industry
source	Automation in Construction 7 (4) (1998) pp. 349-356
summary	One major reason that hinders the implementation of process improvement principles in the construction industry is the lack of a powerful formalism to model and analyze the existing and new workflow processes. This paper proposes a framework which is based on the use of Petri nets for modeling and analyzing workflow processes in construction. The paper starts with an overview of current developments in the Petri nets theory. The paper then presents an example to demonstrate how to use the Petri net based framework to assist important steps of process improvement.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	9951
authors	Johnson, R.E. and Clayton, M.J.
year	1998
title	The impact of information technology in design and construction: the owner's perspective
source	Automation in Construction 8 (1) (1998) pp. 3-14
summary	This paper reports on findings of a November 1996 exploratory survey of architecture–engineering clients (Fortune 500 corporate facility managers). This research investigated how the practices of corporate facility managers are being influenced by rapid changes in information technology. The conceptual model that served as a guide for this research hypothesized that information technology acts as both an enabler (that is, information technology provides an effective mechanism for managers to implement desired changes), as well as a source of innovation (that is, new information technology innovations create new facility management opportunities). The underlying assumption of this research is that information technology is evolving from a tool that incrementally improves `back-office' productivity to an essential component of strategic positioning that may alter the basic economics, organizational structure and operational practices of facility management organizations and their interactions with service providers (architects, engineers, and constructors). The paper concludes with a discussion of researchable issues.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	2623
authors	Sheth, A. and Klas, W.
year	1998
title	Multimedia Data Management
source	New York: McGraw-Hill
summary	Here is the authoritative handbook on multimedia metadata and data management. In one volume, it gathers a wealth of information from the field's leading international experts in this emerging specialty. Multimedia data-text, image, voice, and video-poses unique challenges to product developers and database professionals in midsized to giant organizations. They need to know how multimedia can be effectively stored, accessed, and integrated into applications. The key is "metadata," which acts as an umbrella for multimedia data and allows it to be modeled and managed. In this invaluable guide, well-known contributors from the U.S., Japan, and Europe examine the metadata concept, present relevant standards, and discuss its global use in video databases, speech documents, satellite and medical imaging, and other applications.
series	other
last changed	2003/04/23 15:14

_id	6433
authors	Agranovich-Ponomarieva, E. and Litvinova, A.
year	1998
title	The "Real Space - Cyberspace" Paradigm
source	Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 141-145
summary	In a chain of "real - perceived - imagined space" the computer reduces to a uniform model of only real and imagined space. It cannot undertake man's function or it cannot build the perception model. However, perception assumes physiological perception, psychological estimation and understanding, and emotional ho-experience. For a person the seizing of space during perception is constructing temporary spatial images and their development. The communicative relations of the person with environment are established during revealing internal and external structural communications and the interior represents the message, unwrapped in space and perceived in time. The real space is formed under influence of the sum of conceptual restrictions. The character of these restrictions depends on a super idea, a type of an initial situation, character of installations and on social-cultural stereotypes of the author. Without this stage transition to real architectural object is impossible. Result of activity of an architect at this stage becomes creation hypothetical cyberspace, with its own peculiarities and laws.
series	plCAD
last changed	1999/04/08 17:16

_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	ddss9804
id	ddss9804
authors	Assaf, S.
year	1998
title	A Decision Support System (DSS) for Forward Housing Planning
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	This paper presents a specification of a Local Housing Strategy Decision Support System (LHS-DSS) (Conceptual and Physical model design). Emphasis throughout the design process is laid on the techniques that provide housing planners with accurate rapid assistance during the preparation process of local housing strategy. Relevant knowledge (descriptive, procedural, reasoning) and data about each step of the process, options for each situation as it arises, and a record of decisions made with underlying reasons are provided to system users. Three main components are identified to shape up the LHS-DSS: the language system for addressing housing problems; knowledge system which is responsible for gathering and accumulating the housing knowledge required; and problem processing system (an inquiry system) which produces suitable and effective recommendations to support the strategy preparation process.
series	DDSS
last changed	2003/11/21 15:16

_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	b335
authors	Bayle, E., Bellamy, R., Casaday, G., Erickson, T., Fincher, S., Grinter, B., Gross, B., Lehder, D., Marmolin, H., Moore, B., Potts, C., Skousen, G. and Thomas, T.
year	1998
title	Putting It All Together: Towards a Pattern Language for Interaction Design Reports
source	ACM SIGCHI Bulletin 1998 v.30 n.1 pp.17-23
summary	Pattern languages are representations that have been used in architecture and urban design for about twenty years. They focus on the interaction between physical form and social behavior, and express design solutions in an understandable and generalizable form. But pattern languages are not simply set of patterns intended to be universally applied; instead, they are actually meta-languages which, when used in a particular situations, generate situated design languages. This report describes a CHI 97 workshop which explored the utility of pattern languages for interaction design. We discuss the workshop's rationale, the structure and process of the workshop, and some of the workshop's results. In particular, we describe some patterns developed as part of the workshop, and our consequent reflections on the use of patterns and pattern languages as lingua franca for interaction design. This report concludes with a bibliography on pattern languages and related matters that spans architecture, software design, and organizational design.
series	other
last changed	2002/07/07 16:01

_id	254a
authors	Belz, C., Jung, H., Santos, L., Strack, R., and Latva-Rasku, P.
year	1998
title	Handling of Dynamic 2D/3-D Graphics in Narrow-Band Mobile Services
source	Virtual Worlds on the Internet, IEEE Computer Society, pp. 147-156
summary	The factors limiting the efficient delivery and presentation of multimedia material in the cellular environment are, among others, the low bandwidth of the transmission channel(s) and the modest capabilities of truly mobile terminals. The ACTS 1 project MObile Media and ENTertainment Services (MOMENTS) is leveraging the usage of state-of-the-art technique for the handling of vector graphics and animation contents, obtained through very low data transmission channels, in order to provide veru attractive multimedia services in that environment. This paper focuses on the achievements obtained within MOMENTS in regard to the handling of dynamic 2D/3D graphics for the projected wireless multimedia services.
series	other
last changed	2003/04/23 15:14

_id	029f
authors	Bermudez, Julio and King, Kevin
year	1998
title	Media Interaction & Design Process: Establishing a Knowledge Base
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. 6-25
doi	https://doi.org/10.52842/conf.acadia.1998.006
summary	Integrating computers in architectural design means to negotiate between centuries-old analog design methods and the new digital systems of production. Analog systems of architectural production use tracing paper, vellum, graphite and ink, clipboard, clay, balsa wood, plastic, metal, etc. Analog systems have also been termed ‘handmade’, ‘manual’, ‘material’ or ‘physical’. Digital systems of architectural production use scanning, image manipulation, visualization, solid modeling, computer aided drafting, animation, rendering, etc. Digital systems have also been called ‘electronic’, ‘computer-aided’, ‘virtual’, etc. The difficulty lies in the underdeveloped state of the necessary methods, techniques, and theories to relate traditional and new media. Recent investigations on the use of multiple iterations between manual and electronic systems to advance architectural work show promising results. However, these experiments have not been sufficiently codified, cross-referenced and third party tested to conform a reliable knowledge base. This paper addresses this shortcoming by bringing together reported experiences from diverse researchers over the past decade. This summary is informed by more than three years of continuous investigation in the impacts of analog-digital conversations in the design process. The goal is to establish a state-of-the-art common foundation that permits instructors, researchers and practitioners to refer to, utilize, test, criticize and develop. An appendix is included providing support for the paper’s arguments.
series	ACADIA
email
last changed	2022/06/07 07:52

_id	b9c2
authors	Bhavnani, S.K. and John, B.E.
year	1998
title	Delegation and Circumvention: Two Faces of Efficiency
source	Proceedings of CHI'98 (1998), 273-280
summary	Throughout history, inefficient methods to use devices have been replaced by more efficient ones. This shift typically occurs when users discover how to &legate work to the powers of a tool, and to circumvent its liiitations. Strategies of delegation and circumvention, therefore, appear to be the core of efficient use. To show how this approach can expiain the relationship between tools and strategies in complex computer systems, we describe five ways to perform a real-world drawing task with current as well as 5.rture tools. We then present five corresponding GOMS models that demonstrate the value of efficient strategies when compared to the observed behavior of a professional CAD user. We conclude by presenting a generalized framework to characterize efficient strategies and discuss its relevance to design and training.
keywords	Strategies; GOMS; Efficiency; Productivity
series	other
email
last changed	2003/11/21 15:16

_id	a136
authors	Blaise, J.Y., Dudek, I. and Drap, P.
year	1998
title	Java collaborative interface for architectural simulations A case study on wooden ceilings of Krakow
source	International Conference On Conservation - Krakow 2000, 23-24 November 1998, Krakow, Poland
summary	Concern for the architectural and urban preservation problems has been considerably increasing in the past decades, and with it the necessity to investigate the consequences and opportunities opened for the conservation discipline by the development of computer-based systems. Architectural interventions on historical edifices or in preserved urban fabric face conservationists and architects with specific problems related to the handling and exchange of a variety of historical documents and representations. The recent development of information technologies offers opportunities to favour a better access to such data, as well as means to represent architectural hypothesis or design. Developing applications for the Internet also introduces a greater capacity to exchange experiences or ideas and to invest on low-cost collaborative working platforms. In the field of the architectural heritage, our research addresses two problems: historical data and documentation of the edifice, methods of representation (knowledge modelling and visualisation) of the edifice. This research is connected with the ARKIW POLONIUM co-operation program that links the MAP-GAMSAU CNRS laboratory (Marseilles, France) and the Institute HAiKZ of Kraków's Faculty of Architecture. The ARKIW programme deals with questions related to the use of information technologies in the recording, protection and studying of the architectural heritage. Case studies are chosen in order to experience and validate a technical platform dedicated to the formalisation and exchange of knowledge related to the architectural heritage (architectural data management, representation and simulation tools, survey methods, ...). A special focus is put on the evolution of the urban fabric and on the simulation of reconstructional hypothesis. Our contribution will introduce current ARKIW internet applications and experiences: The ARPENTEUR architectural survey experiment on Wie¿a Ratuszowa (a photogrammetrical survey based on an architectural model). A Gothic and Renaissance reconstruction of the Ratusz Krakowski using a commercial modelisation and animation software (MAYA). The SOL on line documentation interface for Kraków's Rynek G_ówny. Internet analytical approach in the presentation of morphological informations about Kraków's Kramy Bogate Rynku Krakowskiego. Object-Orientation approach in the modelling of the architectural corpus. The VALIDEUR and HUBLOT Virtual Reality modellers for the simulation and representation of reconstructional hypothesis and corpus analysis.
series	other
last changed	2003/04/23 15:14

_id	4
authors	Bollinger, Elizabeth and Alvarado, Rodrigo Garcia
year	1998
title	Archetypes as Precedent of Virtual Architectures
source	II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 32-35
summary	Archetypes are psychological concepts described by the renowned Swiss psychologist Cari Jung. It is possible identify archetypal forms in eminent buildings of different regions and ages, recognizing archetypes as a multi-cultural liaison for various architectures. These concepts function as basic precedents of spatial design in different geographical and historical contexts. The emerging digital culture is establishing a plethora of virtual environments, through web-pages of the Internet, global TV, multimedia CD, video games and immersive devices. These virtual environments offer electronic activities and tools for architectural practice. In both senses, virtual architectures conforms to the visual and spatial characteristics of technologies. Thus, electronic capabilities establish digital habitats and references to contemporary architecture. Since virtual architectures are immaterial constructions, perceptual properties guide the spatial and formal design. In that sense, archetypes allow a basic vocabulary for the design of virtual architectures, linking them to cultural history and giving them a human orientation.
series	SIGRADI
email
last changed	2016/03/10 09:47

_id	2873
authors	Brin, S. and Page, L.
year	1998
title	The Anatomy of a Large-Scale Hypertextual Web Search Engine
source	Computer Science Department, Stanford University, Stanford, CA
summary	In this paper, we present Google, a prototype of a large-scale search engine which makes heavy use of the structure present in hypertext. Google is designed to crawl and index the Web efficiently and produce much more satisfying search results than existing systems. The prototype with a full text and hyperlink database of at least 24 million pages is available at http://google.stanford.edu/ To engineer a search engine is a challenging task. Search engines index tens to hundreds of millions of web pages involving a comparable number of distinct terms. They answer tens of millions of queries every day. Despite the importance of large-scale search engines on the web, very little academic research has been done on them. Furthermore, due to rapid advance in technology and web proliferation, creating a web search engine today is very different from three years ago. This paper provides an in-depth description of our large-scale web search engine -- the first such detailed public description we know of to date. Apart from the problems of scaling traditional search techniques to data of this magnitude, there are new technical challenges involved with using the additional information present in hypertext to produce better search results. This paper addresses this question of how to build a practical large-scale system which can exploit the additional information present in hypertext. Also we look at the problem of how to effectively deal with uncontrolled hypertext collections where anyone can publish anything they want.
series	other
email
last changed	2003/11/21 15:16

_id	ddss9809
id	ddss9809
authors	Brondino, Nair Cristina Margarido and Da Silva, Antônio Nélson Rodrigues
year	1998
title	A comparison of land valuation methods supported by GIS
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	The purpose of this work was to study three different strategies for the appraisal of urban land. The first, a theoretical strategy created by the authors of this study to reproduce the common conditions of Brazilian cities, uses increments and reductions in the value of a square meter of land according to each lot’s individual features. The second method, based on Multiple Regression techniques, is widely used for valuation purposes. Finally, the effectiveness of Artificial Neural Networks to deal with thiskind of problem is studied. A sample of 157 lots was collected from several neighbourhoods of a small Brazilian city for the case study. The lot features recorded were area, width, shape, distance to the downtown district of the city through the street network, existence of fences and paved sidewalks, and market price. Prediction errors have been estimated for each of the three methods in order to compare their results. Predicted and error values, added to Geographical Information Systems, may be used to build thematic maps and to check how each strategy applies to different areas of the city. The analyses of error values conducted in this study showed that Artificial Neural Networks presented the best performance as a land appraisal method for the case studied.
series	DDSS
email
last changed	2003/11/21 15:16

_id	2796
authors	Brown, Andy and Lee, Hwa, Ryong
year	1998
title	A Mental Space Model
source	Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 27-42
summary	The architectural design process is often characterised a series of evolving ideas, and involving a cyclical process between design and visualisation. However, the nature of the internal representation still remains unclear. What is actually represented in a designers mental space and what drives and influences the mental design process? If we wish to programme a computer to mimic or work in tandem with the mental processes involved we need to make that representation and the associated cognitive processes explicit. The ways that designers form mental representations are so diverse, personal, and often transient that it is not easy to externalise and articulate them in explicit terms. In order to propose a mental model, we can take in a particular I psychological research approach; that of introspective observation from design drawing . In doing so, we posit an assumption that the designer's drawing can be seen as an extension of the internal mental feature, and hence internal representation could be inferred from the analysis of external representation - the drawing or sketch. This approach contrasts with the protocol analysis approach where mental operations are inferred from words, what could be termed thinking aloud.
series	plCAD
email
last changed	2003/05/17 10:01

_id	35e3
authors	Buchacz, A., Machura, A. and Pasek, M.
year	1998
title	Hypergraphs in investigation of trajectory of robot's manipulator with links as thin-walled bars
source	Automation in Construction 7 (5) (1998) pp. 363-383
summary	A 3-dimensional model of an industrial robot's manipulator is discussed here. The manipulator is built of two links. Each link is a bar of thin walls, with a box-shaped cross section. Harmonical forces and moments work on both ends of each bar. Lengthwisely and flexibly vibrating robot model is presented in the form of two-block hypergraph. On the base of the skeleton of this hypergraph, a matrix of dynamical flexibilities is developed for the system. The matrix allows us to determine amplitudes of the vibrations of the end of point of the robot's manipulator, separately along each of global axis X, Y, Z. The determined amplitudes anable us to predict the real trajectory of the manipulator and compare it with theoretical trajectory.
series	journal paper
more	http://www.elsevier.com/locate/autcon
last changed	2003/05/15 21:22

_id	2a12
authors	Burry, Mark and More, Gregory
year	1998
title	Representation, Realism and Computer Generated Architectural Animation
source	Cyber-Real Design [Conference Proceedings / ISBN 83-905377-2-9] Bialystock (Poland), 23-25 April 1998, pp. 241-249
summary	This paper documents a simple architectural form which, but for computer generated animation, has no ready alternative explanatory process for its complex generation. The subject is a column in the nave of the Sagrada Familia Church in Barcelona conceived by Gaudí at the beginning of this century without the contemporary opportunities for animated design exploration. The column is based on a set of counter-rotating mutually interfering profiles. As the column gains height, the profiles increase in interference with each other resulting in an increasingly fluted cross section, a tendency towards the Doric Order. For most, however, there is no easy access to a plausible explanation of the inherent rationale for the column. Animating the generation of the column reveals a unique and concealed sublimation of natural patterns of growth. Animation aids an understanding of the effect of the fourth dimension on design itself by releasing a meaning of time from an otherwise inanimate object. Here animation is used to decipher one aspect of the mystery of Gaudí's design while strengthening another: the source and conceptual power of Gaudí to anticipate this phenomenon. Rather than trivialising this design mystery, the explanatory role of the animation enriches comprehension of the formal concept of mutation through displacement or an evolutionary design paradigm. The paper discuss the implications of this ability to show transition, translation and dislocation without delving too deeply into how the animation was made, nor indeed the subject which, after all, requires animation to fully represent its less tangible qualities.
series	plCAD
email
last changed	2003/05/17 10:01

_id	20
authors	Cabezas, M., Mariano, C., MÌtolo, S., MuÒoz, P., Oliva, S. and Ortiz, M.
year	1998
title	Aportes a la EnseÒanza de la ComunicaciÛn Visual (Contributions to the Teaching of Visual Communication)
source	II Seminario Iberoamericano de Grafico Digital [SIGRADI Conference Proceedings / ISBN 978-97190-0-X] Mar del Plata (Argentina) 9-11 september 1998, pp. 168-173
summary	Going back to the proposal for the incorporation of multimid oriented towards the study of visual communication in 1st year of Architecture and Industrial Design which was presented on the 1st Seminary of Digital Graph that was held in 1997, in the FAU of UBA,it is being developed an educative programme of hypermedial character. Referring to Monge System development, it is though for the students so that they can consul and have a first contact with theoretical concepts. Through direct experience, starting from the studentís pre-existence of a lineal path from general to specific, proposing transversal perspective to start in depth conceptual contents according. Completing the traditional view of drawing by enlarging the iconicity and comprehension of a complex topic like geometry of the space.
series	SIGRADI
email
last changed	2016/03/10 09:47

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