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Figueres Esteban, Miguel; Hughes, Peter; Gulijk, Coen van (2016)
Publisher: Editorial Universitat Politècnica de València
Languages: English
Types: Part of book or chapter of book
Subjects: TF, INGENIERÍA DEL TRANSPORTE
[EN] New technology brings ever more data to support decision-making for intelligent transport systems. Big Data is no longer a futuristic challenge, it is happening right now: modern railway systems have countless sources of data providing a massive quantity of diverse information on every aspect of operations such as train position and speed, brake applications, passenger numbers, status of the signaling system or reported incidents.The traditional approaches to safety management on the railways have relied on static data sources to populate traditional safety tools such as bow-tie models and fault trees. The Big Data Risk Analysis (BDRA) program for Railways at the University of Huddersfield is investigating how the many Big Data sources from the railway can be combined in a meaningful way to provide a better understanding about the GB railway systems and the environment within which they operate.Moving to BDRA is not simply a matter of scaling-up existing analysis techniques. BDRA has to coordinate and combine a wide range of sources with different types of data and accuracy, and that is not straight-forward. BDRA is structured around three components: data, ontology and visualisation. Each of these components is critical to support the overall framework. This paper describes how these three components are used to get safety knowledge from two data sources by means of ontologies from text documents. This is a part of the ongoing BDRA research that is looking at integrating many large and varied data sources to support railway safety and decision-makers.DOI: http://dx.doi.org/10.4995/CIT2016.2016.1825 Generalitat Valenciana Figueres Esteban, M.; Hughes, P.; Gulijk, CV. (2016). BIG DATA FOR RISK ANALYSIS: THE FUTURE OF SAFE RAILWAYS. En XII Congreso de ingeniería del transporte. 7, 8 y 9 de Junio, Valencia (España). Editorial Universitat Politècnica de València. 347-353. doi:10.4995/CIT2016.2015.1825 OCS 347 353

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