4.5 Article

Heterogeneous self-tracked health and fitness data integration and sharing according to a linked open data approach

Journal

COMPUTING
Volume 104, Issue 4, Pages 835-857

Publisher

SPRINGER WIEN
DOI: 10.1007/s00607-021-00988-w

Keywords

Health and fitness datasets; Linked open data; Semantic web; Ontology; Data integration

Funding

  1. Alma Mater Studiorum - Universita di Bologna within the CRUI-CARE Agreement
  2. Horizon 2020-ONCORELIEF EU Project [H2020-875392]

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The paper discusses the use of data from wearable fitness devices and health appliances to improve clinical decision making, as well as the current obstacles and opportunities in this area. An approach using Web Semantic technologies and Linked Open Data is proposed to address the integration of heterogeneous health data, with a web portal developed for integrating, sharing, and analyzing health and fitness data.
The huge volume of data gathered from wearable fitness devices and wellness appliances, if effectively analysed and integrated, can be exploited to improve clinical decision making and to stimulate promising applications, as they can provide good measures of everyday patient behaviour and lifestyle. However, several obstacles currently limit the true exploitation of these opportunities. In particular, the healthcare landscape is characterised by a pervasive presence of data silos which prevent users and healthcare professionals from obtaining an overall view of the knowledge, mainly due to the lack of device interoperability and data representation format heterogeneity. This work focuses on current, important needs in self-tracked health data modelling, and summarises challenges and opportunities that will characterise the community in the upcoming years. The paper describes a virtually integrated approach using standard Web Semantic technologies and Linked Open Data to cope with heterogeneous health data integration. The proposed approach is verified using data collected from several IoT fitness vendors to form a standard context-aware resource graph, and linking other health ontologies and open projects. We developed a web portal for integrating, sharing and analysing through a customisable dashboard heterogeneous IoT health and fitness data. In this way, we are able to map information onto an integrated domain model by providing support for logical reasoning.

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