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Computer aided conformance checking

Abstract: In the building process a number of problems exist with regardtobuilding regulations, causing the conformance checking process to be an island in the building process. This paper discusses an approach that enables us to perform computer aided conformance checking and to integrate the conformance checking process in the building process. The approach is based on the use of product models. This paper discusses theoretical as well as implementationaspects. The paper is an extended abstract of the Ph.D. thesis written by the author (De Waard 92).

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Series: w78:1992 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.legal (0.035798) class.synthesis (0.030841) class.communication (0.017275)
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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.


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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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.


A Almarshad, I Motawa, S Ogunlana

INVESTIGATING KNOWLEDGE MANAGEMENT IN PUBLIC BUILDING MAINTENANCE IN KUWAIT

Abstract: Public Building Maintenance (BM) departments in Kuwait have the duty of maintaining buildings that vary in shape, type, size, complexity and purpose. The services provided by the departments extend from minor repair works to bespoke renovation and reconstruction projects making the process of maintenance complex. Knowledge Management (KM) is being implemented by organisations to improve their business performance. This paper is based on a study that investigated the current state of KM in the public part of the BM sector. Interviews were conducted to identify BM process, current KM activities and tools, barriers to knowledge sharing and perception to KM implementation. Findings of the study have assisted in modifying a proposed BM process based on procedures followed by the majority of interviewed departments, where knowledge capturing, organising, and retrieval activities can then be embedded in the process. The study revealed that there is lack of formal knowledge management techniques carried out within departments. Furthermore, there is no established communication links between branches of the same department resulting in lack of experiences and knowledge exchange between colleagues. Cultural/ethnic differences, fear of losing job, not knowing how to share knowledge and lack of time were the main barriers to knowledge sharing. However, the participants showed a positive attitude toward the introduction of a KM system with added activities and roles in the BM process related to KM.

Keywords: Building maintenance, Knowledge management, Kuwait, Public sector.

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Series: w78:2011 (browse)
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A Löfgren

Socio-technical management of collaborative mobile computing in construction

Abstract: The constant changes of plan and unanticipated events in the production process at construction sites result in communication patterns that are dynamic, spontaneous and informal. Most of the existing ICT tools do not sufficiently support informal communication for powerful collaborative problem-solving, management of site resources, handling of parallel process activities and do not correspond to the basic needs and work patterns at the construction sites. Mobile computing technologies have the potential to provide an inclusive wireless mobile ICT platform (voice and data) that can enable improved support for informal communication and on-demand data at construction sites, which can result in improved project collaboration leading to increased efficiency and productivity in the construction process. Still, an implementation strategy for collaborative mobile computing at construction sites is complex and must consider numerous issues regarding system capabilities, mobility, applications, services, integration of existing ICT systems, user interface and user devices to meet the requirements and behaviors of site workers in the mobile distributed heterogeneous construction environment. A mobile computing platform needs to be designed, implemented and managed with a socio-technical bottom-up approach realizing end user and group needs, understanding the separate issues of adoption on different organizational levels, and recognizing mobile computing as a process integrated enabling technology for improving collaboration and project communication throughout the whole construction process.

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Series: w78:2005 (browse)
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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


A Magdic & D Rebolj

Human oriented mobile system for on-site problem solving

Abstract: Uncertainties and the dynamic nature of on-site activities require complex coordination of information, resources and tasks. Problems caused by unanticipated events must be solved concurrently and should avoid project delays and costs increasing. For effective solving of such problems, the immediate availability of information and a prompt response of project participants on various levels of project organization are crucial. A combination of both conditions facilitate the optimum decision-making in cases of unanticipated events. Based on experiences from a series of experimental projects called E-site, it is our strong belief that a large amount of potentials for on-site problem solving lies in the knowledge, experience and capability of the site staff themself. Therefore, there is also a need to effectively link together the rich knowledge and experience of site staff and include site staff into problem solving processes. This paper describes a human oriented on-site problem solving system supported with context-aware communication to help dealing with unanticipated events on construction sites.

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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


A. Hryshchenko, K. Menze

A Comprehensive Vision on Cartography of EU And International Research Initiatives with RTD Gap Analysis in the Area of ICT for Energy Efficiency in Buildings

Abstract: This paper analyses the status of current researches in the area of Information and Communication Technologies (ICT) for the improvement of Energy Efficiency (EE) design and operation of buildings.Currently, research and technology developers focus on different domains and sub-domains in the area of EE, such as the integration of renewable energy sources and related monitoring, simulation, and management software. In order to improve harmonisation between different research and technology developments (RTD) including International and European research projects and scientific programs these activities need to be categorised and analysed. As a result of RTD gap analysis, the challenges, commonalities, deficits, and potentials for collaboration are identified contributing to the development of a “Scientific Road Map”. This paper focuses on development of a comprehensive vision on Cartography of recently completed, ongoing, and recently announced research European projects and International research initiatives for further implementation of its results in global vision of the REEB project [cf. http://www.ict-reeb.eu/index.html], and proposes a systematic categorization approach to identify gaps in the current research agenda in the area of IT for Energy in Buildings.Our RTD gap analysis is based on a qualitative categorization specifying common classification criteria.At the present, there are more than 270 projects worldwide were analysed, five Main Classification Categories (MCC) were developed.The proposed methodology should allow the identification of deficits of the related research activities within the specified (in T3.1, D3.1) categories.

Keywords: information and communication technologies, energy efficiency, research and developments, RTD, categorization, gap analysis

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Series: w78:2010 (browse)
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A.V. Hore, R.P. West & A. Redmond

The Future Scenario of Creating a Digital SME Community in the Irish Construction Industry

Abstract: The problems associated with the Construction Industry not being able to manage and communicate electronically product and project data between collaborating firms and within individual companies is compounded by the large number of small companies that have not adopted advanced Information Communication Technology (ICT). The typical nature of the service provided in construction, being an on-site and often highly customised service are generally identified as the reason for the low ICT uptake. The majority of Irish companies in the construction sector are Small to Medium sized Enterprises (SMEs). As eBusiness opens up the Irish economy to international competition Irish SMEs should use ICT as a generator of competitive advantage to become more effective and efficient with eBusiness technologies. The Construction IT Alliance in Ireland has identified a programme that can create a digital SME community that will promote ICT services in the Irish Construction Industry in order to compete in the global economy.

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Series: w78:2009 (browse)
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Aalami F, Fischer M

Joint product and process model elaboration based on construction method models

Abstract: In practice, construction planners need to plan and replan projects at several levels of detail and would like create 4D visualizations to communicate construction schedules. The current construction planning and scheduling process is , however, still largely manual and time-consuming, making it difficult to maintain an appropriate and realistic set of plans, schedules, and 4D visualizations throughout design and construction. Researchers have demonstrated the usefulness of a product model with a decomposition hierarchy and supported-by relationships between project components to generate a construction process model automatically. The product model's decomposition hierarchy supports the generation of hierarchical activities, and the supported-by relationships between components enable automated reasoning. However, the resulting process model is typically not a usable or realistic construction schedule, since activities can only be sequenced if elaborated to the same level of detail, and component-based activity elaboration is limited to the original product model. This paper discusses how a customizable and general representation of construction method models supports the transformation of a design-centric product model into a production-centric view. A formalized hierarchical construction planning process forms the basis of this translation process. The planning process is broken down into method-driven elaboration and hierarchical planning and scheduling steps. User-defined and user-selected construction method models drive the elaboration process by supplying the necessary activity and component elaboration knowledge. The product model undergoes a transformation from a design-centric decomposition to a production-centric decomposition. The elaborated activities are sequenced based on constraints that are passed on to the activities from their construction methods. The output of the planning process is a 4D production model. A 4D production model is a linked representation of an elaborated product and process models. A 4D production model is a flexible representation of the construction process that can support many views for communication and evaluation, e.g., 4D visualization, CPM-network, barchart, or resource histograms.

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Full text: content.pdf (289,626 bytes) (available to registered users only)

Series: w78:1998 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.represent (0.035804) class.processing (0.027755) class.communication (0.018300)
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Permission to reproduce these papers has been graciously provided by Royal Institute of Technology, Stockholm, Sweden. The assistance of the editors, Prof. Bo-Christer Björk and Dr. Adina Jägbeck, is gratefully appreciated.


Aaron Costin and Charles Eastman

Requirements for Ontology Development in the AECO Industry

Abstract: This paper presents and discusses the requirements needed for the development of ontologies in the Architecture, Engineering, Construction, and Operation (AECO) Industry. With the increase of information modeling for all aspects of a construction project with a variety of software tools and technologies, there has been a major need of communication and exchange of information. An approach to improve seamless information exchanges is the use of ontologies. One major benefit of using ontologies is that the information and knowledge defined in the ontologies can be shared across domains. However, to do so requires standardized rules and requirements in order to share and promote reuse at the domain level. Significantly, with the increased demand of ontologies in the AECO industry, there needs to be standardization and consensus in the development and use of the ontologies to ensure the seamless transfer of information as well as realizing the full benefits of ontologies.

Keywords: Ontology, Information Exchange, Semantics, Logic, Taxonomy, AECO Industry

DOI: https://doi.org/10.24928/JC3-2017/0149

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AB Cremers, S Alda & U Radetzki

Towards Semantic Grid in Construction Informatics

Abstract: Civil Engineering increasingly requires efficient Virtual Organizations of heterogeneous partners and facilities. Mainly four software architecture paradigms originating from the area of distributed computing have influenced the implementation of supporting software systems for Virtual Organizations: Grid, Peer-to-Peer, Agent as well as Web Service architectures. Each architecture paradigm accounts for different technical aspects that promote the realization of such software systems. The unification of these paradigms towards an integrated architecture has, to date, not been achieved. This keynote paper summarizes the state-of-the-art architecture paradigms and proposes elementary design issues for an integrating architecture. This architecture incorporates ontologies for regulating the communication and interoperability among different services. An application scenario finally demonstrates the usage of such an architecture.

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Full text: content.pdf (501,846 bytes) (available to registered users only)

Series: w78:2005 (browse)
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Permission to reproduce these papers has been graciously provided by the Technische Universität Dresden.


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