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Ontology-Based Spatial and System Hierarchies Federation for Fine-Grained Building Energy Analysis

Lookup NU author(s): Dr Xiang XieORCiD


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Building energy conservation is among the most cost-efficient paths to achieve sustainability. An in-depth understanding of the energy consumed during the operation guides more effective energy-saving actions. With the adoption of submetering systems, fine-grained building energy analysis is enabled. This allows characterising the dynamics underlying specific end-uses by associating local energy consumption patterns with relevant contextual factors. To generalise the analysis in different buildings, a interoperable data representation for spatial and system hierarchies is needed. A federation approach to integrate building ontologies is proposed. The aim is to capture hierarchical geometric, topological, and relational information, components and systems, for running canonical energy analysis. The proposed approach combines the Industry Foundation Classes (IFC) and Brick schema, complementary in representing spatial and semantic information. A case study is conducted, demonstrating the use of the federated ontologies in integrating various data. This contributes to the development of portable plug-in building energy analysis functions.

Publication metadata

Author(s): Xie X, Moretti N, Merino J, Chang J, Parlikad A

Publication type: Conference Proceedings (inc. Abstract)

Publication status: Published

Conference Name: Joint Conference CIB W78 - LDAC 2021

Year of Conference: 2021

Pages: 368-377

Acceptance date: 24/10/2021

Publisher: ITC Digital Library