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A. Fuertes, M. Casals, N. Forcada, M. Gangolells & X. Roca

Creating new ways of learning in architecture and building: MACE Project

Abstract: This paper presents the European MACE project (Metadata for Architectural Contents in Europe), a project that sets out to transform the ways of e-learning about architecture and building in Europe by integrating vast amount of content from diverse repositories created in several previous projects as well as from existing architectural design and building engineering communities. Moreover, an application scenario dealing with management aspects in construction engineering is presented in order to show new ways of learning through the use of online repositories such as MACE is.

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Full text: content.pdf (558,046 bytes) (available to registered users only)

Series: w78:2009 (browse)
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Andrej Tibaut, Danijel Rebolj

TOWARDS METHODOLOGY FOR HARMONIZATION OF SEMANTICALLY DIFFERENT BIM's

Abstract: Research focus of the paper are heterogeneous information systems. Heterogeneity within a set of software applications can be attributed to the fact that their collaboration is hindered due to the conflicts in software architecture, communication protocols and/or data representation. General interconnectivity and emerging interoperability have caused the fall of mainframe-based systems, which in turn led to variety of information systems with local data representations, communication protocols and software architectures. Today these information systems need to collaborate in different engineering projects. Existing approaches, such as common framework, integration with standard scheme and data mediation, try to diminish the undesired effects within heterogeneous systems. The approaches are indeed successful because they eliminate all conflicts at design time. This way collaborating applications have to abandon their local data views. In this paper heterogeneity is regarded as a property of an information system while disharmony of an information system is defined as a state of the system. Further, structural, semantical and functional disharmony is defined as part of overall information systems’s disharmony. As a consequence a new methodology called DRAGOn (Disharmony Resolving with Agents and Ontology) is proposed. The methodology aims to dynamically resolve structural and semantical disharmony by preserving applications’ local data views. Another novelty is the definition of conceptualization for structural and semantical disharmony (Disharmony ontology) and the use of software agents. Disharmony ontology is specified in OWL. The agents use the ontology for resolving of structural and semantical conflicts between applications at runtime. Agents communicate via shared communication space based on Java technology. The mediation is incremental, which means that agents are able to build their local ontologies. The ontologies are used as persistent meta-data repositories of concepts (structure and semantics) that are captured from applications during runtime.Extensive applicability of the DRAGOn methodology is expected in information system clusters with rich and complex data content, namely management of construction projects.

Keywords: Interoperability, building information model, quality of semantic and structure, semantic and structural difference, mediation, ontology

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Full text: content.pdf (323,448 bytes) (available to registered users only)

Series: w78:2008 (browse)
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Hazlehurst G, Pitt T, Buxton R

Implementation of single building modelling technologies into themanagement phase of the property cycle

Abstract: This paper brings together work carried out by Guy Hazlehurst, Stephen Drewer and RodenBuxton at the University of the West of England on the concept of the Single Building Model andresearch by Terry Pitt and George Griffith on the management of complex healthcare facilities,'Healthcare FM'. The central aim of the research has been to utilise advanced 3D, object modelsof complex buildings not only as repositories for 3D, 2D graphics, data and intelligence, but to actas 'information brokers'. The concept of the single building model has effectively evolved toprovide a spatial database that has the inherent potential to act as the spine of a 'heterogeneous'system. This spine links the sub-systems that enable complex processes throughout the life of thebuilding to be modelled.This paper will seek to address the issues of systems integration, through the creation andapplication of Single Building Modelling technologies, during the post occupancy stage of thebuilding process. Modelling complex buildings and estates at a time long after the facilities wereoriginally conceived, designed and built posits a set of unique issues that do not arguably arisewhen such models evolve through the incremental processes of inception, design and construction.It will be argued that the principal issues are those of data compatibility and the level of detailrequired within the 'ex-post' single building model to deliver optimum benefit to the owners andmanagers of complex buildings. The research issues identified by the production andimplementation of such a model within a Hospital's existing building management will bediscussed. Although the example cited in this paper is a healthcare building the points raisedwithin it arguably apply to any significant property or estate.

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Full text: content.pdf (155,600 bytes) (available to registered users only)

Series: w78:1997 (browse)
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Ludovico Carozza, Enrique Valero, Frédéric Bosché, George Banfill, Rufus Mall and Minh Nguyen

UrbanPlanAR: BIM Mobile Visualisation in Urban Environments with Occlusion-Aware Augmented Reality

Abstract: Effective visualisation is critical to a wide range of activities conducted in the Architecture, Engineering and Construction (AEC) industry. This paper presents an occlusion-aware Augmented Reality (AR) solution that is geared towards the visualisation of new developments Ð in the form of 3D BIM models Ð in urban environments, to enhance communication around proposed developments. The solution automatically fetches BIM models from project repositories and enables a user to visualise them within their urban environment with a mobile tablet. The localisation of the tablet is achieved using a visual-inertial approach that uses only the sensors embedded in the tablet. Furthermore, the solution uniquely includes a process for handling occlusions from the real world on the augmented content. Results are presented that demonstrate the full pipeline, including some visualisation results obtained in real urban environments.

Keywords: BIM, Visualisation, Visual-Inertial, Urban Environment

DOI: https://doi.org/10.24928/JC3-2017/0152

Full text: content.pdf (4,802,146 bytes) (available to registered users only)

Series: jc3:2017 (browse)
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Mahmoud Halfawy and Roberto Figueroa

Developing Enterprise GIS-Based Data Repositories For Municipal Infrastructure Asset Management

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Full text: content.pdf (550,289 bytes) (available to registered users only)

Series: w78:2006 (browse)
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R.W. Amor

Technical Challenges for Integrated Design and Delivery Solutions

Abstract: Conceptually, the development of an extensible infrastructure for Integrated Design and Delivery Solutions (IDDS) would appear to be a straight-forward matter. However, there are few current implementations in existence, and the majority of those that do exist are bespoke developments which support a restricted number of processes and analyses. This paper characterizes the wide range of technical challenges which are faced by those delivering on the promise of integrated design and delivery solutions. It examines the levels of IT support that can be offered for aspects such as: collaborative work processes; repositories of integrated data; management of information integration; and knowledge management processes. Alongside each of these challenges it identifies current approaches to supporting IDDS, both at a commercial level with tools that can be deployed today, and from the viewpoint of researchers working on future improvements to the IDDS ideal. The last part of this paper establishes a technology foresight for the technical development of IDDS. Providing a view of the technical future of IDDS over the coming decades with projections of the pathways that will lead to adoption of various forms of IDDS and the major obstacles where the dearth of solutions will delay the uptake of IDDS.

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Full text: content.pdf (234,485 bytes) (available to registered users only)

Series: w78:2009 (browse)
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Rezgui Y, Zarli A, Bourdeau M, Cooper G

Inter-enterprise information management in dynamic virtual environments: the OSMOS approach

Abstract: "IT in use in the construction industry needs to find the right balance between, on the one hand, integrated information infrastructures, tools and systems, and, on the other, the organisational peculiarities and complexities intrinsic to this sector. There is a need to support smooth co-operation between non co-located teams, and the co-ordination of their work and activities in an environment that promotes trust and social cohesion. This overall infrastructure should give construction project participants increased flexibility and effective access to project information regardless of its form, format, and location. This is, in fact, the scope that the OSMOS project will tackle. OSMOS is driven by the needs of end-users and the market, through the expertise of European leading construction businesses, including construction IT service providers: DERBi, JM Byggands, and Olof Granlund; and European leading research centres and academic: CSTB, Information Systems Institute of University of Salford, and VTT. The overall aim of the OSMOS project is to enhance the capabilities of construction enterprises, including SMEs, to act and collaborate effectively on projects by setting up and promoting value-added Internet-based flexible services that support team work in the dynamic networks of the European construction industry. In particular, the project will provide effective model-based solutions to support communication, co-operation, and co-ordination between individuals and groups collaborating in a construction Virtual Enterprise (VE), based on the specificity and information / process requirements of the Construction domain, while at the same time promoting trust and social cohesion between the partners of a VE. The OSMOS consortium will adopt an incremental and iterative approach to address the project objectives. The integrated OSMOS infrastructure, including the extensions to identified end-users proprietary and commercial systems, will be the result of a series of three iterations. First, the project will define the requirements of the OSMOS infrastructure by analysing the intra-company business processes and information management practices, along with the dynamics, type and nature of interactions taking place on multi-disciplinary construction projects. This will lead onto the definition of the architecture underlying the OSMOS system and the specification of its components. The latter, including the OSMOS models and services, will be implemented based on identified end-users proprietary and commercial systems, and will be available in the form of toolkits, plug-ins and repositories. The OSMOS infrastructure will then be tested and validated through a set of field trials involving the project end-users. Finally, the project will propose a migration path leading to the adoption and the deployment of the OSMOS solutions within the participating organisations and any other company that intends to adopt the proposed team-work solutions. The proposed paper will give a comprehensive description of the European Framework 5 funded OSMOS project. The OSMOS consortium is aiming, through its user interest groups in Finland, France, and Sweden, to provide ways of validating and translating the results to other industrial sectors."

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Full text: content.pdf (434,370 bytes) (available to registered users only)

Series: w78:2000 (browse)
Cluster: papers of the same cluster (result of machine made clusters)
Class: class.social (0.049382) class.communication (0.034707) class.environment (0.017463)
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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


T Cerovšek

A Framework for CPD and 5D BIM process REUSE

Abstract: This paper tries to establish a framework for process reuse in ‘collaborative product development’ (CPD) with 5D BIM. 5D integrates 3D models with non-geometrical metadata, costs, and schedules that can be developed in three main ways (part-recipe, task-part or embedded link). For continuous process improvement (CPI), we identified barriers and enablers and proposed explicit and implicit process reuse support options via workflow systems, process repositories with new process querying.

Keywords: process reuse, 5D BIM, collaborative product development, workflows, BPM, CPI

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Full text: content.pdf (393,304 bytes) (available to registered users only)

Series: w78:2011 (browse)
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