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  5. Building Performance Optimisation: A Hybrid Architecture for the Integration of Contextual Information and Time Series Data
 
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Building Performance Optimisation: A Hybrid Architecture for the Integration of Contextual Information and Time Series Data

Author(s)
Hu, Shushan  
Corry, Edward  
Turner, William J. N.  
O'Donnell, James  
Uri
http://hdl.handle.net/10197/7880
Date Issued
2016-10
Abstract
Buildings tend to not operate as intended, and a pronounced gap often exists between measured and predicted environmental and energy performance. Although the causes of this ‘performance gap’ are multi-faceted, issues surrounding data integration are key contributory factors. The distributed nature of the Architecture, Engineering and Construction (AEC) industry presents many challenges to the effective capture, integration and assessment of building performance data. Not all building data can be described semantically, nor is it feasible to create adapters between many different software tools. Similarly, not all building contextual data can easily be captured in a single product-centric model. This paper presents a new solution to the problem based upon a hybrid architecture that links data which is retained in its original format. The architecture links existing and efficient relational databases storing time-series data and semantically-described building contextual data. The main contribution of this work is an original RDF syntax structure and ontology to represent existing database schema information, and a new mechanism that automatically prepares data streams for processing by rule-based performance definitions. Two test cases evaluate the concept by 1) applying the hybrid architecture to building performance data from an actual building, and 2) evaluating the efficiency of the architecture against a purely RDF-based solution that also stores all of the time-series data in RDF for a virtual building. The hybrid architecture also avoids the duplication of time-series data and overcomes some of the differences found in database schemas and database platforms.
Sponsorship
European Commission - European Regional Development Fund
European Commission - Seventh Framework Programme (FP7)
Other Sponsorship
Marie Curie FP7 Integration Grant
Programme for Research in Third Level Institutions PRTLI (Cycle 5)
Type of Material
Journal Article
Publisher
Elsevier
Journal
Automation in Construction
Volume
70
Start Page
51
End Page
61
Copyright (Published Version)
2016 Elsevier
Subjects

Data interoperability...

BMS

Time-series data

Relational database

Building performance ...

Linked data

DOI
10.1016/j.autcon.2016.05.018
Language
English
Status of Item
Peer reviewed
This item is made available under a Creative Commons License
https://creativecommons.org/licenses/by-nc-nd/3.0/ie/
File(s)
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Name

2016_Hu_HybridArchitecture.pdf

Size

1.86 MB

Format

Adobe PDF

Checksum (MD5)

ab8152739406bd982920e9c27f32861a

Owning collection
Mechanical & Materials Engineering Research Collection
Mapped collections
Computer Science Research Collection•
Energy Institute Research Collection•
Insight Research Collection

Item descriptive metadata is released under a CC-0 (public domain) license: https://creativecommons.org/public-domain/cc0/.
All other content is subject to copyright.

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