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Message development in the building process

Abstract: New communication media offer new opportunities to exchange information between participants in a building project. A case study was done of a specific building project from the viewpoint of a company that produces concrete floors. An executable simulation model was used to create a formal description of the information exchange process. The output of the simulation is an activity schema, a message exchange diagram and a list of messages. The schemata give insight about the information flow and are a resource for developing a strategy for the introduction of electronic communication. The messages serve as a starting point for selecting a standardized electronic message or developing a special one.

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Full text: content.pdf (1,214,000 bytes) (available to registered users only)

Series: w78:1995 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.communication (0.022605) class.synthesis (0.022488) class.collaboration (0.015924)
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Permission to reproduce these papers has been graciously provided by the Stanford University, USA. The support of the editors, particularly Prof. Fischer is gratefully appreciated.


Anadol Z, Akin O

Determining the impact of CADrafting tools on the building delivery process

Abstract: Computer aided design (CAD) is intended to change the way design and construction are carried out. At a minimum, this implies savings realized in terms of time spent and improvement of the quality of designs produced. To test this idea, we hypothesized that computer aided drafting and design operations may be instrumental in reducing the number of change orders issued and help control cost overruns by improving the accuracy of construction documents. We compared change orders in projects designed in the conventional media against ones developed with computers. We found that there is evidence supporting our hypothesis. Furthermore, in the process of investigating this question, we found that computer applications to improve the management of existing building information (as-built drawings, building system related information, and the like) represent even more critical needs than those that can reduce change orders through more accurate design drawings.

Keywords: drawing accuracy; change orders; design errors; as-built drawings; scope changes

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Series: w78:1993 (browse)
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Permission to reproduce these papers has been graciously provided by the National University of Singapore. The assistance of the editors, particularly Prof. Martin Betts, is gratefully appreciated.


Bowen P A, Pearl R G

Interpesssnal communication of price-related information at the project inception stage: an interview survey

Abstract: The premise UPOn which this gaper is based is that, within the context of information transfer, there has been insufficient examination of the interpersonal communication function. This paper is concerned with the effectiveness of the interpersonal communication process associated with certain communication media utilised in the provision of price-related information at the inception stage of the building procurement process. More specifically, it deals with communication aspects of quantity surveyors’ engagement letters and documentation, clients’ briefs, and the language of building price forecasting. The paper documents the results of an interview survey concerning the opinions of clients, architects and quantity surveyors.

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Full text: content.pdf (1,945,968 bytes) (available to registered users only)

Series: w78:1993 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.communication (0.033260) class.social (0.030565) class.bestPractise (0.025199)
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Permission to reproduce these papers has been graciously provided by the National University of Singapore. The assistance of the editors, particularly Prof. Martin Betts, is gratefully appreciated.


Brien M O'

Production and evaluation of a multi-media product selector

Abstract: Intercommunication between diverse computer systems demands the use of standards. Initial standards were concerned with the physical and electrical including the structure of the messages sent by one system to another. The most recent developments have addressed high level semantic issues which are the primary concern of the users. The trend therefore has been one from lower, syntactic, system concerns to higher, semantic, application issues. Whereas the development of the ISO Open Standards Intercommunication standard has been universally accepted the creation of higher level standards has not been so simple. This paper addresses some of those issues. In particular, it draws on the lessons learnt in the production and evaluation of a multi-media product selector that has been built to support the construction industry. A primary concern that has been highlighted by this product is the need to provide novel query mechanisms which can cope with a diversity of data structures. This demand for differentiation is directly at odds with the standardised capabilities of current distributed data structures.

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Full text: content.pdf (48,793 bytes) (available to registered users only)

Series: w78:1996 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.synthesis (0.030805) class.represent (0.026535) class.deployment (0.025640)
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Permission to reproduce these papers has been graciously provided by the University of Ljubljana. The assistance of the editor, Prof. Ziga Turk, is gratefully appreciated.


Christiansson P, Modin J

Conceptual models for communicating knowledge in the building industry - implementation of the cube system

Abstract: This paper presents the conceptual models that emerged during the development of the Cube demonstrator in the Cube project at Lund University in Sweden. The Cube project was led by the Department of Construction Management with the systems development being done by the authors, at the KBS-Media Lab of the Department of Structural Engineering. The paper presents the underlying conceptual models for knowledge transfer used in the Cube system. In the Cube system the formalized rules do not apply to the knowledge itself but rather to the way it is conveyed. The goal for these models is to assist a growth of building knowledge that is driven from the building site and the daily situations there. It is showed how knowledge chunks are labeled and stored in answer boxes specific for each project or building site. Existing classification systems, BSAB, are implemented together with a dynamic limited vocabulary and task-oriented headings to form an efficient knowledge communication and retrieval system.

Keywords: knowledge capture; taxonomies; multimedia; knowledge transfer; database

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Full text: content.pdf (539,743 bytes) (available to registered users only)

Series: w78:1993 (browse)
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Permission to reproduce these papers has been graciously provided by the National University of Singapore. The assistance of the editors, particularly Prof. Martin Betts, is gratefully appreciated.


Christiansson P

Properties of future building hyper documents

Abstract: The paper describes and exemplifies how modem information technology may impact the properties of future computerized building documents and models. It is now possible to practically handle large quantities of data in the form of color pictures, film, sound recordings, animation sequences, drawings etc. The systems we formulate today are better suited to capture information putting higher pressure on the users concerning formulation of demands on user interface, model descriptions and model building tools. A group of projects under the label KE3S-MEDIA, knowledgebased systems - media, are aiming at integrating advanced software (knowledgebased systems, Hyper Card from Apple computer. etc) with new distribution and storage media. The hyper documents which are created possess powerful man-machine interface and dynamic model building properties. The system forms a demonstrator environment used in different applications to capture, test and communicate ideas and admitting fast prototyping. New tools are defined, developed and tested. Tools which support conceptual modeling activities, use and building of hyper documents in a multimedia environment. The following building applications are at the moment included in the research: The City Advisor, Window Renovation Advisor, Advanced Information Technology in Building Maintenance Support (the Delphi project) and Advanced Material and Vendor Information, (the AMVI project)

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Full text: content.pdf (2,550,602 bytes) (available to registered users only)

Series: w78:1988 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.man-software (0.072996) class.environment (0.037882) class.synthesis (0.024467)
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Permission to reproduce these documents has been graciously provided by the Lund University and the Swedish Building Centre. The assistance of the editors, Prof. Per Christiansson and Prof. Henry Karlsson, is gratefully appreciated.


Christiansson P

Dynamic knowledge nets in a changing building process

Abstract: Hypotheses and explanation models are put forward about the future global structure manipulation and transfer of knowledge. The so called Dynamic knowledge Nets, DKN, are defined and used to explain changes for the next generation of computerized communication and knowledgehandling systems. More and more powerful tools become available to model and visualize different parts of our reality. These tools will influence our possibilities to create useful models and will also have a great impact on how these models are integrated and accessed. Behind the interfaces dwell more and more capable integrated knowledge representations which are closely related to pertinent search strategies. It is now possible in a changing building process to create models which bring about a clearer and more obvious connection between the applications, our intentions and the computer stored models. The systems we are formulating today may thus provide us with dramatically better communication tools as communication rooms, personal "telescreens", and virtual realities. We must formulate and try out new concepts. New tools for building, using and maintaining the next generation systems have been and are continuously created and tested at the KBS- MEDIA LAB (knowledge based systems - media) at Lund University. Examples are given outgoing from ongoing research mainly the Material and Vendor Information and Building Maintenance Systems as well as Decision Support at theBuilding Site. These systems can shortly be described as multi agent environments with multimedia context dependent user interfaces to underlying facts bases.

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Full text: content.pdf (2,277,177 bytes) (available to registered users only)

Series: w78:1992 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.man-software (0.046718) class.environment (0.034346) class.bestPractise (0.026216)
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Permission to reproduce these papers has been graciously provided by Research Press of the National Research Council of Canada. The support of the editor, Dr. Dana Vanier, is gratefully appreciated.


Dawood N, Sriprasert E, Mallasi Z, Hobbs B

Development of an integrated information resource base for 4D/VR construction process simulation and visualisation

Abstract: The objective of this paper is to report on the development of an integrated database to act as an information resource base for 4D/VR construction process simulation and visualisation. A comprehensive database was designed, implemented and populated with the School of Health Construction Project (An eight million pounds, three-storey development at the University of Teesside campus). The database is composed of a core database of building components which, in turn, is integrated with a CAD package (AutoCAD 2000), a project management package (MS Project) and graphical user interfaces. The core database was designed using the unified classification for the construction industry (Uniclass). One of the benefits of using the Uniclass method, apart from providing standards for structuring building information, is that it provides a media for integrating PBS (Product Breakdown Structure) with WBS (Work Breakdown Structure). This is an important aspect for delivering a meaningful 4D model. Integrated interfaces between MS Access Database, AutoCAD Drawings and MS Project Schedules were developed and implemented. Furthermore, the British Standards of layering convention (BS 1192-5) was adapted and implemented. The database was populated automatically with detailed product data directly from 2D or 3D drawings, schedules of work and resources of the School of Health Project. This paper is also addressing object definition, structuring the data, and establishing the relationships and dependencies within the data set, the WBS and building objects as well as modelling the building in 3D in order to capture the essential space- and time-critical attributes of tasks. Practical application of database throughout the construction process has been highlighted and discussed. A proposal for incorporating IFC model is also discussed.

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Full text: content.pdf (306,608 bytes) (available to registered users only)

Series: w78:2002 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.man-software (0.044096) class.represent (0.019318) class.synthesis (0.018813)
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Permission to reproduce these documents have been graciously provided by the Aarhus School of Architecture, Denmark. The assistnace of the editor, Prof. Kristian Agger, is gratefully aprecciated.


de Vries B, van Leeuwen J P, Achten H H

Design studio of the future

Abstract: New communication media enable new design technologies. To investigate the mutual influenceof a new medium like Virtual Reality (VR) and architectural design technologies, a laboratorycalled 'the design studio of the future' is established. In due time a design system will bedeveloped offering different design technologies in an integrated environment. Interfaces withinVR will support various approaches to the design problem. A large research program (VirtualReality - Distributed Interactive Systems) is carried out to provide state-of-the-art tools fordesigners to experiment and to give feed back on the results.

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Full text: content.pdf (59,111 bytes) (available to registered users only)

Series: w78:1997 (browse)
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Franklyn Chukwunonso

DESIGNING A WEB BASED E-LEARNING SYSTEM FOR THE FEDERAL UNIVERSITY OF TECHNOLOGY YOLA

Abstract: During the last decade, the Web has changed from a simple hyper textual repository of documents to a powerful communication media. This shift has made Web applications highly suitable for the support of educational activities, which often include collaborative sessions. Although educational institutions are by nature conservative and can be resistant to reform, the collective influence of an increase in the number of networked computers, improved teacher training, and the impetus of a transformed culture in wider society are likely to lead to a reconsideration of the nature of education. The traditional emphasis on print in educational system is likely to be challenged by a range of screen-based and telecommunications mediums. Thus, this thesis proposes the design of a web-enabled Learning Management System – FRANKSTWEBS - built with the latest generation web technologies for FUTY. Modular, scaleable, and easy to implement and learn, one can track and manage any type of learning asset from online training, assessment, testing and corporate web sessions to classroom-based training.

Keywords: Elearning, Website, Design, Designing, Intranet, Internet, ICT, Information Technology, Web based, System, Federal University of Technology Yola, FUTY, FUT Yola

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Series: other (browse)
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