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 ecaade2009_039
id ecaade2009_039
authors Papapavlou, Aikaterini; Turner, Alasdair
year 2009
title Structural Evolution: A Genetic Algorithm Method to Generate Structurally Optimal Delaunay Triangulated Space Frames for Dynamic Loads
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. 173-180
doi https://doi.org/10.52842/conf.ecaade.2009.173
wos WOS:000334282200021
summary This paper presents an evolutionary algorithm that draws its power from the literal interpretation of the natural system’s reproductive process at a microscopic scale with the scope of generating optimal Delaunay triangulated space frames for dynamic loads. The algorithm repositions a firm number of nodes within a space envelope, by establishing Delaunay tetrahedra and, consequently, creating adaptable optimised space frame topologies. The arbitrarily generated tetrahedralised structure is compared against a canonical designed one and the results of this comparison indicate that the method proposed has advantageous properties and is capable of generating an optimum structure that exceeds statically the performance of an engineered tetrahedralised space frame.
keywords Genetic Algorithms, optimization, delaunay triangulation, space frame
series eCAADe
email
last changed 2022/06/07 08:00

_id caadria2009_171
id caadria2009_171
authors Yuan, Yong; Jixi Ai
year 2009
title Analysis and Evaluation on The Planning of Urban Open Space for Urban Disaster Prevention
source Proceedings of the 14th International Conference on Computer Aided Architectural Design Research in Asia / Yunlin (Taiwan) 22-25 April 2009, pp. 307-316
doi https://doi.org/10.52842/conf.caadria.2009.307
summary Urban disaster prevention is an important aspect in evaluating the whole-function of a city. It is the most important and actual method to make full use of urban open space and to construct urban disaster prevention system in the work of preventing urban disasters. This paper presents an approach to solve the problem about the population evacuation during the earthquake, and a new method to spread out population data which can distribute the population in a district and locate to every house finally. At the core of the algorithm, the Wave-front Method is used to calculate service range of each open space. Urban planners can evaluate the layout of urban open space according to the distribution of population and traveling time predicted. Lastly, this paper provides some evaluating indexes for open space to integrate all open space units.
keywords Urban open space, urban disaster prevention, planning of urban open space, spread of population data, GIS
series CAADRIA
email
last changed 2022/06/07 07:57

_id ijac20097401
id ijac20097401
authors Bueno, Ernesto
year 2009
title Algorithmic Form Generation of a Radiolarian Pavilion
source International Journal of Architectural Computing vol. 7 - no. 4, 677-688
summary This paper describes the design stage of an on-going research project for the construction of a pavilion that mimics the bone structures of Radiolarians. In the process, several constructive and generative algorithms are developed, together with geometric and trigonometric functions, all implemented in RhinoScript and a math plug-in for the NURBS modeler Rhinoceros. There has been considerable emphasis on the generation of the Radiolarian cell that is tessellated along a stereographic surface with a honeycomb-based algorithm. It combines design strategies from biomimetics, mathematical functions, generative scripting, process automation and versioning, all integrated into an algorithmic methodology for creating a non-standard structure, capable of being manufactured with CNC technology, and doing so, setting a precedent in the academic and professional environment in which it will be located.
series journal
last changed 2010/09/06 08:02

_id ecaade2009_195
id ecaade2009_195
authors Gürer, Ethem; Çagdas, Gülen
year 2009
title An Emergent Form Generation Method for Supporting Conceptual 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. 167-172
doi https://doi.org/10.52842/conf.ecaade.2009.167
wos WOS:000334282200020
summary Evolutionary design methodologies generally aim to present new form-finding processes, where nature-based approaches are used, such as self-organization, genetic algorithms etc. This paper aims to present a new architectural design approach that focuses on integrating these different evolutionary methods in an emergent process. The main goal is to achieve a high-level of integration where lacking qualities of each evolutionary method are completed by the other one in a synergic and especially emergent behavior. A multi-level design approach is described in this study. Points highlighted are concerned with the pre-design phases. Within a bottom-top simulation, an infinite high-level solution cluster is revealed from behavioral interactions and collectivity of the low-level entities: agents. Simulated design process is visualized by a determined project area in Istanbul: Kuruçe_me Island on the Bosphorus as an exhibition center. Programmed in 3dsMax, simulation phase supports the creative design process in early phases.
keywords Evolutionary design, bottom-top approach, self-organization, agent, emergence
series eCAADe
email
last changed 2022/06/07 07:49

_id ecaade2009_146
id ecaade2009_146
authors Liapi, Katherine; Kim, Jinman
year 2009
title Tensegrity Structures of Helical Shape: A Parametric Approach
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. 53-58
doi https://doi.org/10.52842/conf.ecaade.2009.053
wos WOS:000334282200005
summary Tensegrity grids composed of tensegrity units that form double layer cable nets of single or double curvature can find applications in architecture as surface structures. In this paper a parametric process for the geometric configuration and representation of double layer tensegrity structures of helical shape is discussed. Departing from the geometric construction process, an algorithm that facilitates the parametric description of helical tensegrity structures has been developed. The algorithm reflects the interdependence of all parameters involved in the design of helical tensegrity structures and has been integrated into a software application that enables the automatic generation of virtual models of helical configurations in a graphic environment.
keywords Modular tensegrity structures, helical surface structures, double layer tensegrity grids
series eCAADe
email
last changed 2022/06/07 07:59

_id caadria2009_087
id caadria2009_087
authors Lin, Chieh-Jen
year 2009
title Smart Topology
source Proceedings of the 14th International Conference on Computer Aided Architectural Design Research in Asia / Yunlin (Taiwan) 22-25 April 2009, pp. 451-460
doi https://doi.org/10.52842/conf.caadria.2009.451
summary This paper describes a prototype of an intuitive tool named Smart Topology for the architectural space allocation in the early design phase. Smart Topology focuses on the manipulations of virtual spaces and can build and operate the topological relation among them by instantly modifying the geometric properties of spatial allocation so as to comply with the topological relation defined by the user. Based on a prototype of an interactive tool for the spatial allocation named Spatial Layout Game (SLG), Smart Topology adds more topological operations into SLG, such as the connective, combining, orientating, and opening. It also tracks the manipulating process and results by applying the database technology.
keywords Spatial allocation; spatial topology; knowledge representation; intuitive manipulation
series CAADRIA
email
last changed 2022/06/07 07:59

_id ascaad2009_carl_lostritto
id ascaad2009_carl_lostritto
authors Lostritto, Carl R.
year 2009
title Teaching Systems-Thinking with Algorithmic Process: Introduction to computation and programming with processing programming language
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 37-46
summary This research investigates how algorithm design and scripting as pedagogy can affect generalized design ability and understanding. Logical, systematic thinking is considered foundational in developing architectural design aptitude and is explicit when designing algorithms. The course work presented mandates the construction of process rather than product. Scripting is implemented not as a means to an end but rather a medium for exploration. More valuable than formal generator or problem-solver, these scripted designs test direct aesthetic implications. Further tested is the role of animation in de-linearizing the design process. By isolating the algorithm as topic, technique, and concept, scripting skills and the produced artifact are extendable and are translatable to other media. Algorithm design is presented as a 2-dimensional but temporal endeavor: students script an animate, interactive vector-based image. This facilitates the transition from algorithm to spatial experience while also readying students for form-based explorations. The 2-d temporal exercise is of a similar order of complexity to a 3-dimensional static condition. Pieces of the animation structure are provided as a canvas, specifically the ability of the viewer to manually control a single parametric variable that affects the visual output through a user-interface element. The following and final project of the course expands upon the technique of scripting image in the design of an experience by collaging video, images and animation.
series ASCAAD
email
last changed 2009/06/30 08:12

_id cf2009_159
id cf2009_159
authors Marin, Philippe; Lequay, Hervé and Bignon, Jean-Claude
year 2009
title Un outil évolutionnaire d’aide à la conception architecturale créative : Mise en oeuvre d’un algorithme génétique et prise en compte des paramètres environnementaux; Evolutionary tool assisting creative architectural design: Implementation of an genetic algorithm and assessment of environmental parameters
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009, pp. 159-172
summary This work focuses on the development of a tool capable of assisting and supporting architectural design activity. We propose an evolutionary mechanism through the use of a genetic algorithm. Environmental parameters are convoked to drive the evolution. The solar passive qualities of the object under study allow the energizing evaluation. This paper deals with the interaction between verbal thinking and visual thinking through the use of this generative tool.
keywords Genetic algorithm, creative design, environmental parameters
series CAAD Futures
email
last changed 2009/06/08 20:53

_id acadia09_153
id acadia09_153
authors Ostwald, Michael J.; Tucker, Chris; Chalup, Stephan
year 2009
title Line Segmentation: A Computational Technique for Architectural Image Analysis
source ACADIA 09: reForm( ) - Building a Better Tomorrow [Proceedings of the 29th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-9842705-0-7] Chicago (Illinois) 22-25 October, 2009), pp. 153-158
doi https://doi.org/10.52842/conf.acadia.2009.153
summary Planar methods have typically dominated the computational analysis of architectural and urban space and form. In contrast, analytical methods that consider the formal, or visual, qualities of architectural façades, or images of buildings, are not only rare, but only a few have ever been repeated and adequately tested. The present paper outlines a new method—derived from the Hough Transform algorithm—for the dissolution of architectural images into segmented lines that can be counted and charted, and that can have their spatial orientation determined. This method for investigating the visual qualities of buildings is demonstrated in an analysis of a series of images of suburban houses. The proposed method, line segmentation, is potentially significant because it is a method not commonly used for the quantitative analysis of the formal and textural character of real buildings, it is repeatable, and it delivers consistent results if a simple procedure is followed.
keywords optical analysis, complexity, design assesment
series ACADIA
type Normal paper
email
last changed 2022/06/07 08:00

_id ijac20097308
id ijac20097308
authors Penttila, Hannu
year 2009
title Services in Digital Design: new visions for AEC-field collaboration
source International Journal of Architectural Computing vol. 7 - no. 3, 459-478
summary The objective of this paper is to describe contemporary digital building design from a service provider aspect. The constrained framework of this work is digital architectural design practice. When design is seen in the context of the AEC field, a process oriented approach is commonly used in describing collaboration and evolutionary progress of the design work as a project. Design projects are scheduled chains of activities which result in design delivery or actual physical buildings as the end products of the project. Recently developments in building information modelling (BIM) have presented fundamentally new ways for collecting, exploring, and sharing design information. This study develops the novel digital approach: BIM as design services. The key finding of the study is that parts of the design domain can be described as services in the changing digital environment. The scientific contribution of this paper is in describing contemporary digital design practice with an alternative service approach. A framework for such services is also presented. This work will expand the authors' contribution to research on preliminary architectural design using building information models.
series journal
last changed 2009/10/20 08:02

_id ascaad2009_emmanuel_ruffo
id ascaad2009_emmanuel_ruffo
authors Ruffo, Emmanuel
year 2009
title Programming As an Evolutionary Concept for Architectural Education: From natural systems to computer science materialization to emergent and evolutionary embedded architectural design
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 47-59
summary Logic and evolution in ontogenetic processes for Architectural design was the title for a summer program taught at the Escuela de Arquitectura of the Universidad Anahuac from June to July 2008 in the State of Mexico, Mexico. Every single result in architectural design follows logical steps enclosed in the design processes. These logical processes evolve through space-time sequences in order to generate a diversity of possible solutions. In Biology an ontogenetic process refers to the development of an individual organism, anatomical or behavioral feature from the earliest stage to maturity. Following this development criteria students were encouraged to understand the main logics of natural and physical systems through the aid of computer programming. These logics must be understood as tridimensional geometries digitally generated. Right from the beginning all processes generated during the explorations and investigations had to be visualized as integral design performances. The integral design system must embedded structure, function, form and material capacities through the aid of computer programming, digital fabrication technologies and material assembling techniques. It is important to note that final prototypes had to demonstrate the diversity of capacities of the whole system in order to automate the components in evolution.
series ASCAAD
email
last changed 2009/06/30 08:12

_id caadria2009_160
id caadria2009_160
authors Shivshankar, P. G. ; R. Balachandar
year 2009
title Green City
source Proceedings of the 14th International Conference on Computer Aided Architectural Design Research in Asia / Yunlin (Taiwan) 22-25 April 2009, pp. 125-134
doi https://doi.org/10.52842/conf.caadria.2009.125
summary This project is about constructing a pedagogical tool for sustainable urban simulation and analysis based on simple network algorithm, where a user (acts as urban designer) can construct an urban scenario, simulate, and analyze the development. This can be done by encoding sustainable urban design parameters with the sequence of simulation.
series CAADRIA
email
last changed 2022/06/07 07:56

_id cf2009_410
id cf2009_410
authors Abdelhameed, Wael
year 2009
title Reciprocal relationship of conceptualization and design problem definition: A proposed approach for an architectural design studio
source T. Tidafi and T. Dorta (eds) Joining Languages, Cultures and Visions: CAADFutures 2009, PUM, 2009, pp. 410-422
summary This research paper proposes an approach to be applied in the design studio. The proposed approach highlights the reciprocal relationship between concept articulation and design problem definition in a design method that exposes different design activities related to this relationship. The design method was applied in a design studio of an intermediate level. The study reports the analysis of student designs in terms of the deign method employed. Moreover, a survey was carried out in order to measure the responses of students and instructors regarding the design method and its approach. The main structure of the design method proposed can be described as follows: although the relationship of concept articulation and design-problem definition are reciprocal, the influence of one direction can be distinguished more than of the other direction on different design activities. The research using qualitative and quantitative methodologies analyzes the results and outputs of the theoretical investigations, the practical application in the design studio, and the questionnaire responses through different methodological tools.
keywords Conceptual design, design method, architectural design studio
series CAAD Futures
email
last changed 2009/06/08 20:53

_id ascaad2009_wael_abdelhameed
id ascaad2009_wael_abdelhameed
authors Abdelhameed, Wael
year 2009
title Assessment of a Physical Planning Project through Virtual Reality: A case study
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 365-378
summary The study reports an application of VR models in the assessment of a part of physical planning project. The project outputs were different reports, GIS data and maps, and CAD drawings. The GIS data were used to create the VR models by importing Shpfiles of the GIS project outputs to VR software. The study presents VR models and the assessment of the physical planning project in terms of: 1) effect of the population increase, 2) effect of the required residential units, and 3) quality assurance for the current situation and future situation. The method used to build up the VR Models was through satellite images (by Google Earth Pro) and VR software (by UC Win/Road). Different models were built up to visualize and assess the alternative solutions and various influential factors. The study employed Virtual Reality in various urban and planning problems through models that are employed as tools of communication and design. The visualized environment and the associated models facilitated the evaluation of important areas, namely: impact of different factors and alternative solutions. The study concludes that the processes, such as decision making, visualization and representation, performed through VR manifest its importance to different design phases of urban and physical planning.
series ASCAAD
email
last changed 2009/06/30 08:12

_id ascaad2009_mai_abdelsalam
id ascaad2009_mai_abdelsalam
authors Abdelsalam, Mai
year 2009
title The Use of the Smart Geometry through Various Design Processes: Using the programming platform (parametric features) and generative components
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 297-304
summary The emergence of parametric generative design tools and prototyping manufacturing technology led to radical changes in architectural morphologies. This change increased the opportunity to develop innovative smart geometries. Integrating these algorithms in the parametric softwares led to variations in building design concepts increasing alternatives and decreasing the repetitive work previously needed in conventional CAD software. The chosen software in this research is Generative Components (GC). It is a software design tool for an associative and parametric design platform. It is tested for using Global Variables with associative functions during the concept creation and form GC comprises features. The results presented in this research may be considered an introduction to the smart geometry revolution. It deals with the generative design which applied in the design process from conceptual design phase, defining the problem, exploring design solutions, then how to develop the design phases. Office building is a building type which encourages new forms that needs computational processes to deal with repetitive functions and modular spaces and enclosed in a flexible creative structural skin. Generative design helps the office buildings to be arranged, analysed, and optimized using parameters in early stages in design process. By the end of the research, the use of the smart geometry in a high rise office building is defined and explained. The research is divided into three parts, first a summary of the basic theories of office buildings design and the sustainable requirements that affect it, and should be integrated. Secondly, the previous experiences in generating office buildings by Norman foster and Sergio Araya. At last, a case study is proposed to test and evaluate the use of the parametric generative methodology in designing an office building with specific emphasis on the function, environmental aspects and form generation using Generative Components (GC) Software.
series ASCAAD
email
last changed 2009/06/30 08:12

_id ijac20097404
id ijac20097404
authors Achten, Henri H.
year 2009
title Experimental Design Methods - A Review
source International Journal of Architectural Computing vol. 7 - no. 4, 505-534
summary Experimental design methods are applied in all phases of the design process and by almost every party involved in the design process. In this paper, we aim to give an overview of the background, applications, and technologies involved. A limited simple metric is introduced for assessing the degree of innovation. Future developments are outlined.
series journal
last changed 2010/09/06 08:02

_id acadia18_216
id acadia18_216
authors Ahrens, Chandler; Chamberlain, Roger; Mitchell, Scott; Barnstorff, Adam
year 2018
title Catoptric Surface
source ACADIA // 2018: Recalibration. On imprecisionand infidelity. [Proceedings of the 38th Annual Conference of the Association for Computer Aided Design in Architecture (ACADIA) ISBN 978-0-692-17729-7] Mexico City, Mexico 18-20 October, 2018, pp. 216-225
doi https://doi.org/10.52842/conf.acadia.2018.216
summary The Catoptric Surface research project explores methods of reflecting daylight through a building envelope to form an image-based pattern of light on the interior environment. This research investigates the generation of atmospheric effects from daylighting projected onto architectural surfaces within a built environment in an attempt to amplify or reduce spatial perception. The mapping of variable organizations of light onto existing or new surfaces creates a condition where the perception of space does not rely on form alone. This condition creates a visual effect of a formless atmosphere and affects the way people use the space. Often the desired quantity and quality of daylight varies due to factors such as physiological differences due to age or the types of tasks people perform (Lechner 2009). Yet the dominant mode of thought toward the use of daylighting tends to promote a homogeneous environment, in that the resulting lighting level is the same throughout a space. This research project questions the desire for uniform lighting levels in favor of variegated and heterogeneous conditions. The main objective of this research is the production of a unique facade system that is capable of dynamically redirecting daylight to key locations deep within a building. Mirrors in a vertical array are individually adjusted via stepper motors in order to reflect more or less intense daylight into the interior space according to sun position and an image-based map. The image-based approach provides a way to specifically target lighting conditions, atmospheric effects, and the perception of space.
keywords full paper, non-production robotics, representation + perception, performance + simulation, building technologies
series ACADIA
type paper
email
last changed 2022/06/07 07:54

_id ascaad2009_a_al_attili
id ascaad2009_a_al_attili
authors Al-Attili, A. and M. Androulaki
year 2009
title Architectural Abstraction and Representation: The embodied familiarity of digital space
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 305-321
summary This paper argues that familiarity is the tool that enables the understanding of space abstraction and representation. Familiarity in this context is independent from embodied interaction, and is crudely based on the connection between the various similar images of space; in this particular case, virtual space. Our investigation into the nature of human interaction with space, its abstraction and its representation is based on the critical contrast between the outcomes of interaction with two virtual versions of a physical reality; the first version is a non-linear interactive graphical abstraction of the space where no assertions or indicators are given as to whether or not there is a relationship between the abstraction and its physical reality, whereas the second is a none-linear interactive 3D virtual environment clearly representing the physical space in question. The paper utilises qualitative methods of investigation in order to gain an insight into human embodied experience in space, its abstraction and representation.
series ASCAAD
email
last changed 2009/06/30 08:12

_id ascaad2014_023
id ascaad2014_023
authors Al-Maiyah, Sura and Hisham Elkadi
year 2014
title Assessing the Use of Advanced Daylight Simulation Modelling Tools in Enhancing the Student Learning Experience
source Digital Crafting [7th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2014 / ISBN 978-603-90142-5-6], Jeddah (Kingdom of Saudi Arabia), 31 March - 3 April 2014, pp. 303-313
summary In architecture schools, where the ‘studio culture’ lies at the heart of students’ learning, taught courses, particularly technology ones, are often seen as secondary or supplementary units. Successful delivery of such courses, where students can act effectively, be motivated and engaged, is a rather demanding task requiring careful planning and the use of various teaching styles. A recent challenge that faces architecture education today, and subsequently influences the way technology courses are being designed, is the growing trend in practice towards environmentally responsive design and the need for graduates with new skills in sustainable construction and urban ecology (HEFCE’s consultation document, 2005). This article presents the role of innovative simulation modelling tools in the enhancement of the student learning experience and professional development. Reference is made to a teaching practice that has recently been applied at Portsmouth School of Architecture in the United Kingdom and piloted at Deakin University in Australia. The work focuses on the structure and delivery of one of the two main technology units in the second year architecture programme that underwent two main phases of revision during the academic years 2009/10 and 2010/11. The article examines the inclusion of advanced daylight simulation modelling tools in the unit programme, and measures the effectiveness of enhancing its delivery as a key component of the curriculum on the student learning experience. A main objective of the work was to explain whether or not the introduction of a simulation modelling component, and the later improvement of its integration with the course programme and assessment, has contributed to a better learning experience and level of engagement. Student feedback and the grade distribution pattern over the last three academic years were collected and analyzed. The analysis of student feedback on the revised modelling component showed a positive influence on the learning experience and level of satisfaction and engagement. An improvement in student performance was also recorded over the last two academic years and following the implementation of new assessment design.
series ASCAAD
email
last changed 2016/02/15 13:09

_id ascaad2009_hussein_albotany
id ascaad2009_hussein_albotany
authors Albotany, Hussein S.
year 2009
title Development of Digital City Models Using 3d GIS
source Digitizing Architecture: Formalization and Content [4th International Conference Proceedings of the Arab Society for Computer Aided Architectural Design (ASCAAD 2009) / ISBN 978-99901-06-77-0], Manama (Kingdom of Bahrain), 11-12 May 2009, pp. 409-418
summary “Digital city” is a copy of an actual city in the virtual space. It is expected to play an important role in urban planning, disaster simulation etc. Recent advanced remote sensing technologies, which are capable to quickly provide detailed information of city areas, ease the construction of 3D city models. Urbanization has evinced interest from a wide section of the society including experts, amateurs and novices. With the development and infrastructure initiatives mostly around the urban centers, the impacts of urbanization and sprawl would be on the environment and the natural resources. The research introduces an application of 3D GIS on Manama City.
series ASCAAD
email
last changed 2009/06/30 08:12

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