ifcOWL-DfMA a new ontology for the offsite construction domain

Kalemi, Edlira Vakaj and Cheung, Franco and Tawil, Abdel-Rahman H. and Patlakas, Panagiotis and Alyania, Kudirat (2020) ifcOWL-DfMA a new ontology for the offsite construction domain. In: LDAC2020 - 8th Linked Data in Architecture and Construction Workshop, 17th - 19th June 2020, Dublin, Ireland.

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Abstract

Architecture, Engineering and Construction (AEC) is a fragmented in-dustry dealing with heterogeneous data formats coming from different domains. Building Information Modelling (BIM) is one of the most important efforts to manage information collaboratively within the AEC industry. The Industry Foun-dation Classes (IFC) can be used as a data format to achieve data exchange be-tween diverse software applications in a BIM process. The advantage of using Semantic Web Technologies to overcome these challenges has been recognised by the AEC community and the ifcOWL ontology, which transforms the IFC schema to a Web Ontology Language (OWL) representation, is now a de facto standard. Even though the ifcOWL ontology is very extensive, there is a lack of detailed knowledge representation in terms of process and sub-processes explain-ing Design for Manufacturing and Assembly (DfMA) for offsite construction, and also a lack of knowledge on how product and productivity measurement such as production costs and durations are incurred, which is essential for evaluation of alternative DfMA design options. In this article we present a new ontology named ifcOWL-DfMA as a new domain specific module for ifcOWL with the aim of representing offsite construction domain terminology and relationships in a machine-interpretable format. This ontology will play the role of a core vocab-ulary for the DfMA design management and can be used in many scenarios such as life cycle cost estimation. To demonstrate the usage of ifcOWL-DfMA ontol-ogy a production line of wall panels is presented. We evaluate our approach by querying the wall panel production model about information such as activity se-quence, cost estimation per activity and also the direct material cost. This ulti-mately enable users to evaluate the overall product from the system.

Item Type: Conference or Workshop Item (Paper)
Date: 17 June 2020
Uncontrolled Keywords: Offsite Construction, IFC, Ontologies, Linked Open Data
Subjects: K200 Building
Divisions: Faculty of Computing, Engineering and the Built Environment
Depositing User: Franco Cheung
Date Deposited: 08 Jan 2021 14:05
Last Modified: 08 Jan 2021 14:05
URI: http://www.open-access.bcu.ac.uk/id/eprint/10706

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