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A Core Ontology for Whole Life Costing in Construction Projects

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Izdano u:Buildings vol. 15, no. 14 (2025), p. 2381-2409
Glavni autor: Yousfi Adam
Daljnji autori: Poirier, Érik Andrew, Forgues, Daniel
Izdano:
MDPI AG
Teme:
Software
Interoperability
Collaboration
Applications programs
Ontology
Topology
Knowledge management
Data integration
Project engineering
Expenditures
Knowledge representation
Life cycle costs
Construction industry
Quality standards
Programming languages
Decision making
Structured data
Literature reviews
Cost control
Data exchange
Building information modeling
Digital technology
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Sažetak:Construction projects still face persistent barriers to adopting whole life costing (WLC), such as fragmented data, a lack of standardization, and inadequate tools. This study addresses these limitations by proposing a core ontology for WLC, developed using an ontology design science research methodology. The ontology formalizes WLC knowledge based on ISO 15686-5 and incorporates professional insights from surveys and expert focus groups. Implemented in web ontology language (OWL), it models cost categories, temporal aspects, and discounting logic in a machine-interpretable format. The ontology’s interoperability and extensibility are validated through its integration with the building topology ontology (BOT). Results show that the ontology effectively supports cost breakdown, time-based projections, and calculation of discounted values, offering a reusable structure for different project contexts. Practical validation was conducted using SQWRL queries and Python scripts for cost computation. The solution enables structured data integration and can support decision-making throughout the building life cycle. This work lays the foundation for future semantic web applications such as knowledge graphs, bridging the current technological gap and facilitating more informed and collaborative use of WLC in construction.
ISSN:2075-5309
Digitalni identifikator objekta:10.3390/buildings15142381
Izvor:Engineering Database