Development of an Ontology for Aerospace Engine Components Degradation in Service

C. Okoh, R. Roy, J. Mehnen, L. Redding, A. Harrison


This paper presents the development of an ontology for component service degradation. In this paper, degradation mechanisms in gas turbine metallic components are used for a case study to explain how a taxonomy within an ontology can be validated. The validation method used in this paper uses an iterative process and sanity checks. Data extracted from on-demand textual information are filtered and grouped into classes of degradation mechanisms. Various concepts are systematically and hierarchically arranged for use in the service maintenance ontology. The allocation of the mechanisms to the AS-IS ontology presents a robust data collection hub. Data integrity is guaranteed when the TO-BE ontology is introduced to analyse processes relative to various failure events. The initial evaluation reveals improvement in the performance of the TO-BE domain ontology based on iterations and updates with recognised mechanisms. The information extracted and collected is required to improve service knowledge and performance feedback which are important for service engineers. Existing research areas such as natural language processing, knowledge management, and information extraction were also examined.


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Paper Citation

in Harvard Style

Okoh C., Roy R., Mehnen J., Redding L. and Harrison A. (2014). Development of an Ontology for Aerospace Engine Components Degradation in Service . In Proceedings of the International Conference on Knowledge Engineering and Ontology Development - Volume 1: KEOD, (IC3K 2014) ISBN 978-989-758-049-9, pages 108-119. DOI: 10.5220/0005090201080119

in Bibtex Style

author={C. Okoh and R. Roy and J. Mehnen and L. Redding and A. Harrison},
title={Development of an Ontology for Aerospace Engine Components Degradation in Service},
booktitle={Proceedings of the International Conference on Knowledge Engineering and Ontology Development - Volume 1: KEOD, (IC3K 2014)},

in EndNote Style

JO - Proceedings of the International Conference on Knowledge Engineering and Ontology Development - Volume 1: KEOD, (IC3K 2014)
TI - Development of an Ontology for Aerospace Engine Components Degradation in Service
SN - 978-989-758-049-9
AU - Okoh C.
AU - Roy R.
AU - Mehnen J.
AU - Redding L.
AU - Harrison A.
PY - 2014
SP - 108
EP - 119
DO - 10.5220/0005090201080119