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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Hits 1 to 20 of 113

_id 8e02
authors Brown, A.G.P. and Coenen, F.P.
year 2000
title Spatial reasoning: improving computational efficiency
source Automation in Construction 9 (4) (2000) pp. 361-367
summary When spatial data is analysed the result is often very computer intensive: even by the standards of contemporary technologies, the machine power needed is great and the processing times significant. This is particularly so in 3-D and 4-D scenarios. What we describe here is a technique, which tackles this and associated problems. The technique is founded in the idea of quad-tesseral addressing; a technique, which was originally applied to the analysis of atomic structures. It is based on ideas concerning Hierarchical clustering developed in the 1960s and 1970s to improve data access time [G.M. Morton, A computer oriented geodetic database and a new technique on file sequencing, IBM Canada, 1996.], and on atomic isohedral (same shape) tiling strategies developed in the 1970s and 1980s concerned with group theory [B. Grunbaum, G.C. Shephard, Tilings and Patterns, Freeman, New York, 1987.]. The technique was first suggested as a suitable representation for GIS in the early 1980s when the two strands were brought together and a tesseral arithmetic applied [F.C. Holdroyd, The Geometry of Tiling Hierarchies, Ars Combanitoria 16B (1983) 211–244.; S.B.M. Bell, B.M. Diaz, F.C. Holroyd, M.J.J. Jackson, Spatially referenced methods of processing raster and vector data, Image and Vision Computing 1 (4) (1983) 211–220.; Diaz, S.B.M. Bell, Spatial Data Processing Using Tesseral Methods, Natural Environment Research Council, Swindon, 1986.]. Here, we describe how that technique can equally be applied to the analysis of environmental interaction with built forms. The way in which the technique deals with the problems described is first to linearise the three-dimensional (3-D) space being investigated. Then, the reasoning applied to that space is applied within the same environment as the definition of the problem data. We show, with an illustrative example, how the technique can be applied. The problem then remains of how to visualise the results of the analysis so undertaken. We show how this has been accomplished so that the 3-D space and the results are represented in a way which facilitates rapid interpretation of the analysis, which has been carried out.
series journal paper
more http://www.elsevier.com/locate/autcon
last changed 2003/05/15 21:22

_id bacd
authors Abadí Abbo, Isaac
year 1999
title APPLICATION OF SPATIAL DESIGN ABILITY IN A POSTGRADUATE COURSE
source Full-scale Modeling and the Simulation of Light [Proceedings of the 7th European Full-scale Modeling Association Conference / ISBN 3-85437-167-5] Florence (Italy) 18-20 February 1999, pp. 75-82
summary Spatial Design Ability (SDA) has been defined by the author (1983) as the capacity to anticipate the effects (psychological impressions) that architectural spaces or its components produce in observers or users. This concept, which requires the evaluation of spaces by the people that uses it, was proposed as a guideline to a Masters Degree Course in Architectural Design at the Universidad Autonoma de Aguascalientes in Mexico. The theory and the exercises required for the experience needed a model that could simulate spaces in terms of all the variables involved. Full-scale modeling as has been tested in previous research, offered the most effective mean to experiment with space. A simple, primitive model was designed and built: an articulated ceiling that allows variation in height and shape, and a series of wooden panels for the walls and structure. Several exercises were carried out, mainly to experience cause -effect relationships between space and the psychological impressions they produce. Students researched into spatial taxonomy, intentional sequences of space and spatial character. Results showed that students achieved the expected anticipation of space and that full-scale modeling, even with a simple model, proved to be an effective tool for this purpose. The low cost of the model and the short time it took to be built, opens an important possibility for Institutions involved in architectural studies, both as a research and as a learning tool.
keywords Spatial Design Ability, Architectural Space, User Evaluation, Learning, Model Simulation, Real Environments
series other
type normal paper
email
more http://info.tuwien.ac.at/efa
last changed 2004/05/04 11:27

_id 0d6d
authors Doyle, Jon
year 1983
title Admissible State Semantics for Representational Systems
source IEEE Computer. IEEE computer society, October, 1983. vol. 16: pp. 119-122. includes bibliography
summary A clear semantic is one of the most important requirements in designing representational systems. This article indicates how many kinds of informal semantics can be transformed directly into formal semantics of no greater complexity. The author focuses on the meaning rather than on the expression within a particular logical language. The distinction of the meaning of mental components from general ecological meaning is done by the name admissible state semantics, leaving the specification of external meaning to the standard tools of model theory. The method of admissible state semantic is simple, resembling the usual explanations of intended meanings given by system designers. The designer explains the meaning of one representation in terms of its relations to other representation in the system. Examples are given
keywords logic, languages, representation, systems, semantics
series CADline
last changed 1999/02/12 15:08

_id 0faa
authors Duelund Mortensen, Peder
year 1991
title THE FULL-SCALE MODEL WORKSHOP
source Proceedings of the 3rd European Full-Scale Modelling Conference / ISBN 91-7740044-5 / Lund (Sweden) 13-16 September 1990, pp. 10-11
summary The workshop is an institution, available for use by the public and established at the Laboratory of Housing in the Art Academy's school of Architecture for a 3 year trial period beginning April 1985. This resumé contains brief descriptions of a variety of representative model projects and an overview of all projects carried out so far, including the pilot projects from 1983 and planned projects to and including January 1987. The Full Scale Model Workshop builds full size models of buildings, rooms and parts of buildings. The purpose of the Full Scale Model Workshop is to promote communication among building's users. The workshop is a tool in an attempt to build bridges between theory and practice in research, experimentation and communication of research results. New ideas and experiments of various sorts can be tried out cheaply, quickly and efficiently through the building of full scale models. Changes can be done on the spot as a planned part of the project and on the basis of ideas and experiments achieved through the model work itself. Buildings and their space can thus be communicated directly to all involved persons, regardless of technical background or training in evaluation of building projects.
keywords Full-scale Modeling, Model Simulation, Real Environments
series other
type normal paper
more http://info.tuwien.ac.at/efa
last changed 2004/05/04 15:23

_id sigradi2007_af13
id sigradi2007_af13
authors Granero, Adriana Edith; Alicia Barrón; María Teresa Urruti
year 2007
title Transformations in the educational system, Influence of the Digital Graph [Transformaciones en el sistema educacional, influencia de la Gráfica Digital]
source SIGraDi 2007 - [Proceedings of the 11th Iberoamerican Congress of Digital Graphics] México D.F. - México 23-25 October 2007, pp. 182-186
summary The educative proposal was based on the summary attained through experiences piled up during the 2 last semester courses, 2/2006-1/2007. This proposal corresponds to a mix of methodology (by personal attendance / by internet). Founding on the Theory of the Game (Eric Berne 1960) and on different theories such as: Multiple intelligences (Haward Gardner 1983), Emotional Intelligence (Peter Salowey and John Mayer 1990, Goleman 1998), Social Intelligence (Goleman 2006), the Triarchy of Intelligence (Stemberg, R.J. 1985, 1997), “the hand of the human power”, it´s established that the power of the voice, that of the imagination, the reward, the commitment and association produce a significant increase of the productivity (Rosabeth Moss Kanter 2000), aside from the constructive processes of the knowledge (new pedagogical concepts constructivista of Ormrod J.E. 2003 and Tim O´Reilly 2004).
series SIGRADI
email
last changed 2016/03/10 09:52

_id c4a6
authors Haapasalo, Harri
year 1997
title The Role of CAD In Creative Architectural Sketching
source Challenges of the Future [15th eCAADe Conference Proceedings / ISBN 0-9523687-3-0] Vienna (Austria) 17-20 September 1997
doi https://doi.org/10.52842/conf.ecaade.1997.x.o2b
summary The history of computers in architectural design is very short; only a few decades; when compared to the development of methods in practical design (Gero 1983). However, the development of the user interfaces has been very fast. According to the practical observations of over one hundred architects, user interfaces are at present inflexible in sketching, although computers can make drafts and the creation of alternatives quicker and more effective in the final stages of designing (Haapasalo 1997). Based on our research in the field of practical design we would wish to stimulate a wider debate about the theory of design. More profound perusal compels us to examine human modes, pre-eminently different levels of thinking and manners of inference. What is the meaning of subconscious and conscious thinking in design? What is the role of intuition in practical design? Do the computer aided design programs apply to creative architectural sketching? To answer such questions, distinct, profound and broad understanding from different disciplines is required. Even then, in spite of such specialist knowledge we cannot hope to unambiguously and definitively answer such questions.
keywords Creativity, Design Process, Architectural Design, Sketching, Computer Aided Design
series eCAADe
email
more http://info.tuwien.ac.at/ecaade/proc/haapas/haapas.htm
last changed 2022/06/07 07:50

_id c25a
authors Israel, David J.
year 1983
title The Role of Logic in Knowledge Representation
source IEEE Computer. October, 1983. vol. 16: pp. 37-41 : ill. includes bibliography
summary AI researchers have long debated over the value of logic in knowledge representation. This article discusses the debate between John McCarthy's and Marvin Minsky's philosophies on how to make true thinking machines, and what do they mean when they speak about 'logic.'
keywords AI, logic, representation, philosophy, theory
series CADline
last changed 2003/06/02 13:58

_id cbe9
authors Jacob, Robert J.K.
year 1983
title Using Formal Specifications in the Design of a Human-Computer Interface
source Communications of the ACM April, 1983. vol. 26: pp. 259-264 : diagrams. includes bibliography.
summary Formal specification techniques are valuable in software development because they permit a designer to describe the external behavior of a system precisely without specifying its internal implementation. Although formal specifications have been applied to many areas of software systems, they have not been widely used for specifying user interfaces. In the Military Message System project at the Naval Research Laboratory, the user interfaces as well as the other components of a family of message systems are specified formally, and prototypes are then implemented from the specifications. This paper illustrates the specification of the user interface module for the family of message systems. It then surveys specification techniques that can be applied to human-computer interfaces and divides the techniques into two categories: those based on state transition diagrams and those based on BNF. Examples of both types of specifications are given. Specification notations based on state transition diagrams are preferable to those based on BNF because the former capture the surface structure of the user interface more perspicuously. In either notation, high-level abstraction for describing the semantics of the user interface is needed, and an application-specific one is used here
keywords user interface, design, theory
series CADline
last changed 2003/06/02 13:58

_id 4b8e
authors Kalay, Yehuda E. and Eastman, Charles M.
year 1983
title Shape Operation : An Algorithm For Binary Combining Boundary Model Solids
source November, 1983. 30 p. : ill. includes bibliography
summary The attractiveness of shape operators to end-users of geometric modeling systems stems from their intuitive clarity. Their implementation, however, is one of the most difficult algorithms in computational geometry. This complexity is further increased by the special properties of surfaces, such as orientation, that places the algorithm in the domain of manifold theory more than of set theory. A theoretical base for applying the set-theoretic operators of union, intersection and difference to spatial domains is presented, along with an algorithm that is successful in negotiating these complexities and all their special cases (in particular the presence of coincidental surfaces). The general principles of representing solids through their bounding surfaces and topics in manifold theory and boolean algebra relevant to understanding the algorithm are also discussed. The algorithm has been successfully implemented in three different geometric modeling systems over a period of four years. Some example of its application are included
keywords algorithms, boolean operations, solid modeling, B-rep, geometric modeling, topology
series CADline
email
last changed 2003/05/17 10:18

_id 69b3
authors Markelin, Antero
year 1993
title Efficiency of Model Endoscopic Simulation - An Experimental Research at the University of Stuttgart
source Endoscopy as a Tool in Architecture [Proceedings of the 1st European Architectural Endoscopy Association Conference / ISBN 951-722-069-3] Tampere (Finland), 25-28 August 1993, pp. 31-34
summary At the Institute of Urban Planning at the University of Stuttgart early experiments were made with the help of endoscopes in the late 1970’s. The intention was to find new instruments to visualize urban design projects. The first experiment included the use of a 16 mm film of a 1:170 scale model of the market place at Karlsruhe, including design alternatives (with trees, without trees etc). The film was shown to the Karlsruhe authorities, who had to make the decision about the alternatives. It was said, that the film gave a great help for the decision-making and a design proposition had never before been presented in such understandable way. In 1975-77, with the support of the Deutsche Forschungsgemeinschaft (German Research Foundation) an investigation was carried out into existing endoscopic simulation facilities, such as those in Wageningen, Lund and Berkeley. The resulting publication was mainly concerned with technical installations and their applications. However a key question remained: ”Can reality be simulated with endoscopy?” In 1979-82, in order to answer that question, at the Institute was carried out the most extensive research of the time, into the validity of endoscopic simulation. Of special importance was the inclusion of social scientists and psychologists from the University of Heidelberg and Mannheim. A report was produced in 1983. The research was concerned with the theory of model simulation, its ways of use and its users, and then the establishment of requirements for effective model simulation. For the main research work with models or simulation films, psychological tests were developed which enabled a tested person to give accurate responses or evidence without getting involved in alien technical terminology. It was also thought that the use of semantic differentials would make the work imprecise or arbitrary.

keywords Architectural Endoscopy
series EAEA
more http://info.tuwien.ac.at/eaea/
last changed 2005/09/09 10:43

_id c832
authors Rinderle, J.R. and Suh, N.P.
year 1983
title Measures of Functional Coupling in Design
source Pittsburgh, PA: Design Research Center, CMU, December, 1983. 6 p. : some ill. includes bibliography
summary Algebraic and geometric representations of the general design problem are presented. Quantitative measures of functional coupling in design are developed from this representation which provide valuable insight into the significance of the independence axiom of design. These theoretical measures are applied to Reaction Injection Molding machinery to illustrate the concept of functional independence and the application of quantitative measures of functional coupling
keywords design, theory, mechanical engineering
series CADline
last changed 2003/06/02 13:58

_id cf2013_023
id cf2013_023
authors Yun, Wu and Miyamoto Funito
year 2013
title An Analysis of Backbone of Outer Spatial Morphology of Campus
source Global Design and Local Materialization[Proceedings of the 15th International Conference on Computer Aided Architectural Design Futures / ISBN 978-3-642-38973-3] Shanghai, China, July 3-5, 2013, pp. 23-37.
summary The research is based on the theory of Space syntax (Hillier and Hanson, 1983). Just as the backbone is essential to compose the human body, two sorts of backbones of the outer spatial configuration of campus are proposed and defined in this thesis. The first is syntactically abstract, which is constituted with the axial lines to represent the relations between the buildings located in campus, and to characterize the essential spatial configuration of campus. The second is a road network which could be represented as a realistic backbone for human activities, and through which human get personal impression and knowledge of outer space of campus. Based on the concept of the backbone, several spatial patterns of campuses are explored and extracted, and the relationships with the spatial cognition and comprehension are quantitatively evaluated.
keywords Backbone, Axial lines map, Road network, Space syntax, Spatial morphology, Space cognition.
series CAAD Futures
email
last changed 2014/03/24 07:08

_id 4052
authors Gero, John S., Akiner , Tuncer V. and Radford, Antony D.
year 1983
title What's What and What's Where : Knowledge Engineering in the Representation of Building by Computer
source 1983. 205-215 pp. : ill. floor planes. include a short bibliography
summary Knowledge engineering allows for the encoding of both numeric and symbolic knowledge as inferences. It provides a fundamentally different means of representing buildings than do traditional data structures and databases. A prototypical knowledge engineering reasoning system which reasons about topological relationships, geometric entities and attributes of buildings is described. It is applied in the analysis of an existing small hotel. Using knowledge engineering we can expect future CAAD system to be different to the one with which we have become familiar
keywords building, representation, reasoning, knowledge, analysis, evaluation, systems
series CADline
email
last changed 2003/06/02 13:58

_id sigradi2006_e028c
id sigradi2006_e028c
authors Griffith, Kenfield; Sass, Larry and Michaud, Dennis
year 2006
title A strategy for complex-curved building design:Design structure with Bi-lateral contouring as integrally connected ribs
source SIGraDi 2006 - [Proceedings of the 10th Iberoamerican Congress of Digital Graphics] Santiago de Chile - Chile 21-23 November 2006, pp. 465-469
summary Shapes in designs created by architects such as Gehry Partners (Shelden, 2002), Foster and Partners, and Kohn Peterson and Fox rely on computational processes for rationalizing complex geometry for building construction. Rationalization is the reduction of a complete geometric shape into discrete components. Unfortunately, for many architects the rationalization is limited reducing solid models to surfaces or data on spread sheets for contractors to follow. Rationalized models produced by the firms listed above do not offer strategies for construction or digital fabrication. For the physical production of CAD description an alternative to the rationalized description is needed. This paper examines the coupling of digital rationalization and digital fabrication with physical mockups (Rich, 1989). Our aim is to explore complex relationships found in early and mid stage design phases when digital fabrication is used to produce design outcomes. Results of our investigation will aid architects and engineers in addressing the complications found in the translation of design models embedded with precision to constructible geometries. We present an algorithmically based approach to design rationalization that supports physical production as well as surface production of desktop models. Our approach is an alternative to conventional rapid prototyping that builds objects by assembly of laterally sliced contours from a solid model. We explored an improved product description for rapid manufacture as bilateral contouring for structure and panelling for strength (Kolarevic, 2003). Infrastructure typically found within aerospace, automotive, and shipbuilding industries, bilateral contouring is an organized matrix of horizontal and vertical interlocking ribs evenly distributed along a surface. These structures are monocoque and semi-monocoque assemblies composed of structural ribs and skinning attached by rivets and adhesives. Alternative, bi-lateral contouring discussed is an interlocking matrix of plywood strips having integral joinery for assembly. Unlike traditional methods of building representations through malleable materials for creating tangible objects (Friedman, 2002), this approach constructs with the implication for building life-size solutions. Three algorithms are presented as examples of rationalized design production with physical results. The first algorithm [Figure 1] deconstructs an initial 2D curved form into ribbed slices to be assembled through integral connections constructed as part of the rib solution. The second algorithm [Figure 2] deconstructs curved forms of greater complexity. The algorithm walks along the surface extracting surface information along horizontal and vertical axes saving surface information resulting in a ribbed structure of slight double curvature. The final algorithm [Figure 3] is expressed as plug-in software for Rhino that deconstructs a design to components for assembly as rib structures. The plug-in also translates geometries to a flatten position for 2D fabrication. The software demonstrates the full scope of the research exploration. Studies published by Dodgson argued that innovation technology (IvT) (Dodgson, Gann, Salter, 2004) helped in solving projects like the Guggenheim in Bilbao, the leaning Tower of Pisa in Italy, and the Millennium Bridge in London. Similarly, the method discussed in this paper will aid in solving physical production problems with complex building forms. References Bentley, P.J. (Ed.). Evolutionary Design by Computers. Morgan Kaufman Publishers Inc. San Francisco, CA, 1-73 Celani, G, (2004) “From simple to complex: using AutoCAD to build generative design systems” in: L. Caldas and J. Duarte (org.) Implementations issues in generative design systems. First Intl. Conference on Design Computing and Cognition, July 2004 Dodgson M, Gann D.M., Salter A, (2004), “Impact of Innovation Technology on Engineering Problem Solving: Lessons from High Profile Public Projects,” Industrial Dynamics, Innovation and Development, 2004 Dristas, (2004) “Design Operators.” Thesis. Massachusetts Institute of Technology, Cambridge, MA, 2004 Friedman, M, (2002), Gehry Talks: Architecture + Practice, Universe Publishing, New York, NY, 2002 Kolarevic, B, (2003), Architecture in the Digital Age: Design and Manufacturing, Spon Press, London, UK, 2003 Opas J, Bochnick H, Tuomi J, (1994), “Manufacturability Analysis as a Part of CAD/CAM Integration”, Intelligent Systems in Design and Manufacturing, 261-292 Rudolph S, Alber R, (2002), “An Evolutionary Approach to the Inverse Problem in Rule-Based Design Representations”, Artificial Intelligence in Design ’02, 329-350 Rich M, (1989), Digital Mockup, American Institute of Aeronautics and Astronautics, Reston, VA, 1989 Schön, D., The Reflective Practitioner: How Professional Think in Action. Basic Books. 1983 Shelden, D, (2003), “Digital Surface Representation and the Constructability of Gehry’s Architecture.” Diss. Massachusetts Institute of Technology, Cambridge, MA, 2003 Smithers T, Conkie A, Doheny J, Logan B, Millington K, (1989), “Design as Intelligent Behaviour: An AI in Design Thesis Programme”, Artificial Intelligence in Design, 293-334 Smithers T, (2002), “Synthesis in Designing”, Artificial Intelligence in Design ’02, 3-24 Stiny, G, (1977), “Ice-ray: a note on the generation of Chinese lattice designs” Environmental and Planning B, volume 4, pp. 89-98
keywords Digital fabrication; bilateral contouring; integral connection; complex-curve
series SIGRADI
email
last changed 2016/03/10 09:52

_id cf2009_771
id cf2009_771
authors LaBelle, Guillaume; Nembrini, Julien and Huang, Jeffrey
year 2009
title Programming framework for architectural design ANAR+: Object oriented geometry
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009, pp. 771- 785
summary From the recent advent of scripting tools integrated into commercial CAAD software and everyday design practice, the use of programming applied to an architectural design process becomes a necessary field of study. The presented research explores the use of programming as explorative and reflexive medium (Schön, 1983) through the development of a programming framework for architectural design. Based on Java, the ANAR+ library is a parametric geometry environment meant to be used as programming interface by designers. Form exploration strategies based on parametric variations depend on the internal logic description, a key role for form generation. In most commercial CAD software, geometric data structures are often predefined objects, thus constraining the form exploration, whereas digital architectural research and teaching are in need for an encompassing tool able to step beyond new software products limitations.
keywords Parametric design, programming language, architectural Geometry, pro-cessing
series CAAD Futures
email
last changed 2009/06/08 20:53

_id 08c4
authors Mylopoulos, John, Shibahara, Tetsutaro and Tsotsos, John K.
year 1983
title Building Knowledge-Based Systems : The PSN Experience
source IEEE Computer. IEEE Computer Society, October, 1983. vol. 16: pp. 83-88. includes bibliography
summary Knowledge-representation languages have been classified traditionally as declarative or procedural, depending on whether their basic features come from mathematical logic or data structures on one hand, or from programming languages on the other hand. Procedural representation languages are particularly well suited for heuristic knowledge, and their use can lead to efficient searching on the part of an expert system. Many attempts have been made to integrate features of declarative and procedural representation languages. PSN is one attempt that focuses on the integration of semantic network and procedural notions
keywords systems, knowledge base, semantic networks, integration,
series CADline
last changed 2003/06/02 13:58

_id 413f
authors Wirth, Niklaus
year 1983
title Programming in Modula-2
source 176 p. : ill. New York: Springer-Verlag, 1983. 2nd ed.: includes bibliography and index.--- Text and Monographs in Computer Science Series edited by Gries, David
summary An introduction to programming in general and a manual for programming in Modula-2. It covers all facilities of that language. Part 1 covers basic notions of the variable, expression, assignment, conditional and repetitive statement, and array data structures. Part 2 introduces the important concept of the procedure or subroutine. Part 3 is concerned with data types and structures, and Part 4 introduces the notion of the module
keywords programming, languages, MODULA-2, education
series CADline
last changed 1999/02/12 15:10

_id 6d3e
authors Yau, Mann-may and Srihari, Sargur N.
year 1983
title A Hierarchical Data Structure for Multidimensional Digital Images
source Communications of the ACM. July, 1983. vol. 26: pp. 504-515 : ill. includes bibliography
summary A tree data structure for representing multidimensional digital binary images is described. The method is based on recursive subdivision of the d-dimensional space into 2d hyperoctants. An algorithm for constructing the tree of a d- dimensional binary image from the tree of its (d-1)- dimensional cross sections is given. The computational advantages of the data structure and the algorithm are demonstrated both theoretically and in application to a three-dimensional reconstruction of a human brain
keywords algorithms, computational geometry, representation, data structures, solid modeling
series CADline
last changed 2003/06/02 13:58

_id ecaade2009_123
id ecaade2009_123
authors Achten, Henri; Beetz, Jakob
year 2009
title What Happened to Collaborative Design?
source Computation: The New Realm of Architectural Design [27th eCAADe Conference Proceedings / ISBN 978-0-9541183-8-9] Istanbul (Turkey) 16-19 September 2009, pp. 357-366
doi https://doi.org/10.52842/conf.ecaade.2009.357
wos WOS:000334282200043
summary In this paper we present the results of a comprehensive literature survey on the development of collaborative design. We reviewed 324 papers on collaborative design, taken from various sources (conferences, journals, and PhD-theses). We grouped the papers based on common themes, and in that way derived a classification of themes through the last 25 years (1983-2008). Each category is described, its development, and key publications are identified.
keywords Collaborative design
series eCAADe
email
last changed 2022/06/07 07:54

_id 2387
authors Akin, Omer, Baykan, Can D. and Rao, Radha D.
year 1983
title Searching in the UNIX Directory
source December, 1983. 19 p. : ill., tables. includes bibliography
summary The structure of the directory space and subjects search behaviors in the UNIX operating system environment are examined. Protocol analysis with two subjects and survey of the contents of the directory space of all users of E-VAX and X-VAX systems in the Architecture and Computer Science Systems at Carnegie Mellon University were conducted. Depth first search characterized both the organization of the directories and the behavior of the subjects. Single step as opposed to multiple step traversal of the directory tree was also prevalent in the subject`s behaviors. Recommendations for system friendliness, in term of reusability, orientation, robustness, and consistency are developed
keywords UNIX, user interface, protocol analysis
series CADline
email
last changed 2003/06/02 13:58

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