Raising Awareness of Data Sharing Consent Through Knowledge Graph Visualisation

Raising Awareness of Data Sharing Consent Through Knowledge Graph Visualisation
Research Article
Christof Bless, Lukas Dötlinger, Michael Kaltschmid, Markus Reiter, Anelia Kurteva, Antonio J. Roa-Valverde, Anna Fensel
IOS Press, 2021; 53 pp 44 – 57
Open Access
Knowledge graphs facilitate systematic large-scale data analysis by providing both human and machine-readable structures, which can be shared across different domains and platforms. Nowadays, knowledge graphs can be used to standardise the collection and sharing of user information in many different sectors such as transport, insurance, smart cities and internet of things. Regulations such as the GDPR make sure that users are not taken advantage of when they share data. From a legal standpoint it is necessary to have the user’s consent to collect information. This consent is only valid if the user is aware about the information collected at all times. To increase this awareness, we present a knowledge graph visualisation approach, which informs users about the activities linked to their data sharing agreements, especially after they have already given their consent. To visualise the graph, we introduce a user-centred application which showcases sensor data collection and distribution to different data processors. Finally, we present the results of a user study conducted to find out whether this visualisation leads to more legal awareness and trust. We show that with our visualisation tool data sharing consent rates increase from 48% to 81.5%.

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