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Andrej Tibaut, Branko Kau?i?, Peter Podbreznik, Marjan Lep, Dušan Zalar

Towards intelligent information system for public interurban road passenger transport management

Abstract: Public road transport forms a complex and dynamical domain that encompasses fields of traffic, business and politics. Management of the system poses a challenge for governmental entities which are responsible for coordi-nation, control and data gathering from private transport companies. A need for IT support is obvious. The paper systematically describes a distributed enterprise information system named AVRIS developed for the Direc-torate of the Republic of Slovenia for Roads. AVRIS adds new value to the management and coordination of the domain for public interurban bus transport. First a theoretical work flow model, consisting of processes, phases and states is defined. Built upon the model a multi-tiered IS architecture is developed which incorporates a number of advanced IT concepts, like application server, shared communication space, MVC, etc. The concepts are implemented using latest open source Java technologies. First real experiences with AVRIS are evaluated and presented in the paper.

Keywords: traffic engineering, public passenger transport management, traffic informatics, decision support, shared space, work flow, open source, Java

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Full text: content.pdf (781,550 bytes) (available to registered users only)

Series: w78:2007 (browse)
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Chan P

The use of web-based tools to support a contractual claim in arbitration or litigation

Abstract: Most standard forms of building contracts provide for the use of arbitration as a means of dispute resolution, failing which, the parties have to settle their disputes in court. Each dispute is resolved by examining whether the party who makes a contractual claim is able to discharge his burden of proof in both the liability issue and the quantum issue. The scope of proof is usually prescribed by the building contract. Evidence of information, facts and opinions may be adduced in support of a claim. Most project information may be stored in a web-based information management system. In existence are also some IT applications which may assist in providing facts and opinions that may support a claim. 4D Modelling may be used to simulate critical paths for the evaluation of an extension of time claim. GPS may provide the tracking of the use of resources to help attribute the cost of their use to the basis of a claim. The latest technology of LADAR may assist by recording through time, the as-built status of the project at any one time thereby determining the real-time progress of work. The use of computer-generated evidence is provided for by legislation and case law. This paves the way to use web-based tools to support a contractual claim in arbitration or litigation by linking the whole system to a claims service that monitors the situations where a claim may be made and trigger off a warning so that the procedure of claim may be pursued by a party if he chooses to do so. The claims service should then extract the necessary data from the other services in the project web to build up a claim.

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Full text: content.pdf (163,938 bytes) (available to registered users only)

Series: w78:2003 (browse)
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Permission to reproduce these papers has been graciously provided by the University of Auckland. The assistance of the editor who provided the full texts and the structured metadata, Dr. Robert Amor, is gratefully appreciated.


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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Full text: content.doc (57,856 bytes) (available to registered users only)

Series: other (browse)
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Howard R, Kiviniemi A, Samuelson O

The latest developments in communications and e-commerce - IT barometer in 3 Nordic countries

Abstract: Electronic communication and new forms of electronic commerce have been some of the fastest growing areas in information technology in construction. Denmark, Finland and Sweden are in the forefront of applying these technologies, and a recent repeat of the IT Barometer survey of the construction industry presents information from firms of: architects, property owners and managers, contractors, consulting engineers and others. This was first carried out in 1998. Comparisons are now made between levels of IT use then and in 2000/2001, and between the three countries involved. The paper-based survey was developed at KTH in Sweden and the same questions were asked in Denmark and Finland. The survey includes: levels of staff, access to equipment and communications, current and future use of applications software, Intranets and Project Webs, e-commerce, future intentions, benefits and problems. The general aim is to measure progress in take up of technology and compare national differences. The analysis indicates significant differences, with Denmark and Finland having a high level of staff access to PCs and e-mail and Finland making greater use of Project Webs and Intranets. The most interesting comparison is in attitudes to financial control systems, where Swedish and Danish companies place better financial control as a high priority, while it has dropped in importance in Finland. Swedish and Danish companies appear to have most of the CAD facilities they need, but in Finland this is still a priority for investment. A reduced proportion of drawing work is carried out manually by architects and engineers in all three countries, around 15 - 20% for Denmark and Sweden, while this has reduced in Finland from 34% to 6% in the last 3 years and, in Sweden, from 36 - 14% . Ecommerce is most fully developed in Finland where over three quarters of companies have some experience of its use.

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Full text: content.pdf (68,499 bytes) (available to registered users only)

Series: w78:2002 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.commerce (0.075532) class.collaboration (0.073201) class.roadmaps (0.029236)
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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.


Junge R, Beetz K, Liebich T

Product data model and implementation strategies for adistributed environment

Abstract: This paper is based on work carried out in a series of research and development projects.The latest of it is the ESPRIT Project VEGA. VEGA stands for 'Virtual Enterprises usingGroupware tools and distributed Architectures. The result will be an IT platform based onextended CORBA technologies, the 'COAST', adaptations and extensions of work done inthe Workflow Management Coalition, WEB technologies and Product Data Technology.Product model architectures and implementation strategies and for proof of feasibilityprototype implementation for enabling such an environment that will surely be based ondistributed product models including parts of such models are in the focus of this paper.

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Full text: content.pdf (151,929 bytes) (available to registered users only)

Series: w78:1997 (browse)
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Kazakeviciute G,

The computer aided modelling and energy analysis of the spatial andstructural components of building

Abstract: The article concerns the modelling and energy analysis problem of the spatial and structuralsolutions of newly designed buildings or those under renovation. The results of that task serve as abase for defining of thermal indices of the project on different design stages.The core of the developed automated system is formed of integrated graphical digital spatial modelsof the parts of buildings. These models include different kind of structured geometric and nongeometric(physical, economical) information about the object.The proposed method could be used by interested experts as a tool for control of thermal and energyindices at various design stages, searching for rational architectural forms and structural solutions. Ittakes into account the latest requirements of Lithuanian building regulations concerning heatingenergy saving.

Keywords: Computer aided design, buildings, 3D models, energy analysis.

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Full text: content.pdf (186,048 bytes) (available to registered users only)

Series: ecce:2001 (browse)
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Lomas D W, Arics Ahkis

Construction industry education: new approaches to utlllslng the world-wide-web

Abstract: In the past decade the phenomenal growth area has been in the area of Information Technology (IT). This has been experienced around the world, as people come to grips with all the new means 01 communication, such as electronic mail (e-mail), World-wide-web 0 and the Internet. This paper will present the latest computer based teaching developments from the Hong Kong Polytechnic University. The examples will be in the field of construction, although the applications and techniques, could be used on a wide range of other industries. The Department of Building and Real Estate, together with other University departments (Education Development Unit and Building Services Engineering) have carried out a number of pilot studies, using WWW for tutorial teaching, and also computer-aided teaching for construction industly students.

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Series: ecce:1997 (browse)
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Mohsen J P, Sabnis G, James M B

Computer based AASHTO pavement design methodology

Abstract: A computer expert system has been developed for design of flexible pavements(FLEXPAVE). The design procedure follows the latest AASHTO Guide for Design ofPavement Structures. The system evaluates required thickness for initial pavement designand the subsequent overlays. The system is an educational and training tool as well as adesign tool. The user is assisted in selecting design inputs by a rule-base expert system. Therules used to determine the recommended values are shown on the screen along with a briefexplanation during the design process. Help screens and various worksheets help the user inselecting design inputs. A sensitivity analysis option allows the user to investigate therequired precision for design inputs. The rules in the expert system are derived from the1993 AASHTO manual and related literature.

Keywords: Pavement Design, Flexible Pavements, Pavement Sensitivity Analysis

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Oostra M

Stimulating innovation by making project-related information available on internet

Abstract: Nonaka and Takeuchi state in their book 'The knowledge-creating company' that product development is the very process in an organisation to generate new knowledge. This makes product development an important motor for acquiring new knowledge in a line of business like the building industry. Product innovations in our industry are due to initiatives by a range of parties. These parties start from an assumption of what should be technically feasible when initiating innovation. Of these parties, manufacturers are generally regarded as the ultimate product developers. Innovation in the form of new products contributes much to safeguard the continuity of the firm. Since their interest is survival and they focus on certain production techniques, most manufacturers are well aware of technical developments within their field. Manufacturers have a great interest in making the new product known to the world. They therefore diffuse selected information of their products to the industry. Manufacturers are, however, not the only actors initiating development of building products, architects play an important role as well: they can initiate project-related product development. Since architects operate as generalists within the industry, combining different products and techniques to realise their buildings, they can not be completely informed on the latest technological developments. In order to realise products, which are tailor made to the project, they therefore need the expertise of others; manufacturers, contractors and/or different advisors. It is here where the availability of information on expertise and interest becomes important to the architects. On the other hand, nobody really has a specific interest in promoting project-related products. This means that this type of information is only passed along accidentally and not intentionally. As a result, knowledge related to these specially developed products diffuses very slow compared to knowledge related to standard products, or in the worst case the information disappears altogether. Dissemination of information or technology transfer is an important condition for achieving innovation, as shown by Rogers in his book 'Diffusion of innovations'. To stimulate project-related innovation that is initiated by architects, the information flow within the industry needs to be smoothened. Architects do not want to be disturbed with all this technical and product information when they do not need it. However, a database containing this information that would be accessible via the Internet when it is needed by the architects would be the most optimal solution.

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Full text: content.pdf (218,762 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.bestPractise (0.021362) class.education (0.014322) class.collaboration (0.009822)
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Permission to reproduce these documents have been graciously provided by Icelandic Building Research Institute. The assistance of the editor, Mr. Gudni Gudnason, is gratefully appreciated


Ozan Koseoglu, Dino Bouchlaghem, David Kerr

Collaborative mobile visualisation in construction (MobVisCon) framework development and validation

Abstract: Mobile technologies and wireless communication experienced a rapid development over the last decade, with many industrial sectors realising the benefits of mobile collaboration. The advantages of using mobile computing are in the ability to share data remotely in real time, reduce rework and paperwork, being able to solve problems on site, construct accurate databases by the timely and continuous collection of data, improve the quality of information, and decrease operational costs. Mobile technologies are now widely available offering good opportunities to the con-struction industry to work collaboratively. Due to the limitation in computational resources of mobile devices, the use of visualisation of design documents through mobiles has not been investigated in detail. However, mobile devices for the visual representation of design documents and specifications may offer new opportunities for accessing and moni-toring the construction remotely. The latest developments in mobile hardware and software enable unconditional ac-cess to 2D and 3D design information and corresponding documents. Mobile visualisation and visual communication may completely change collaboration between the project stakeholders during the execution of the construction activi-ties. The main aim of this research is to investigate the use of mobile communication and visualisation technologies during the exchange of information between design teams based in the office and construction sites with a focus of achieving real-time collaboration. This paper presents the development of a “Collaborative Mobile Visualisation in Construction (MobVisCon)” framework based on knowledge from the literature, results of a detailed industry survey, and construc-tion scenarios. Results from the application of the MobVisCon framework on a live construction project case study are also presented.

Keywords: mobile and wireless technologies, visualisation, collaboration, construction, MobVisCon

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Full text: content.pdf (1,759,542 bytes) (available to registered users only)

Series: w78:2007 (browse)
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