Utilizing Domain Knowledge: Robust Machine Learning for Building Energy Prediction with Small, Inconsistent Datasets

• URL: http://arxiv.org/abs/2302.10784v1
• Date: Mon, 23 Jan 2023 08:56:11 GMT
• Title: Utilizing Domain Knowledge: Robust Machine Learning for Building Energy Prediction with Small, Inconsistent Datasets
• Authors: Xia Chen, Manav Mahan Sing, Philipp Geyer
• Abstract summary: The demand for a huge amount of data for machine learning (ML) applications is currently a bottleneck. We propose a method to combine prior knowledge with data-driven methods to significantly reduce their data dependency. CBML as the knowledge-encoded data-driven method is examined in the context of energy-efficient building engineering.
• Score: 1.1081836812143175
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The demand for a huge amount of data for machine learning (ML) applications is currently a bottleneck in an empirically dominated field. We propose a method to combine prior knowledge with data-driven methods to significantly reduce their data dependency. In this study, component-based machine learning (CBML) as the knowledge-encoded data-driven method is examined in the context of energy-efficient building engineering. It encodes the abstraction of building structural knowledge as semantic information in the model organization. We design a case experiment to understand the efficacy of knowledge-encoded ML in sparse data input (1% - 0.0125% sampling rate). The result reveals its three advanced features compared with pure ML methods: 1. Significant improvement in the robustness of ML to extremely small-size and inconsistent datasets; 2. Efficient data utilization from different entities' record collections; 3. Characteristics of accepting incomplete data with high interpretability and reduced training time. All these features provide a promising path to alleviating the deployment bottleneck of data-intensive methods and contribute to efficient real-world data usage. Moreover, four necessary prerequisites are summarized in this study that ensures the target scenario benefits by combining prior knowledge and ML generalization.

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