A Privacy-by-Design Contextual Suggestion System for Tourism†
AbstractWe focus on personal data generated by the sensors and through the everyday usage of smart devices and take advantage of these data to build a non-invasive contextual suggestion system for tourism. The system, which we call Pythia, exploits the computational capabilities of modern smart devices to offer high quality personalized POI (point of interest) recommendations. To protect user privacy, we apply a privacy by design approach within all of the steps of creating Pythia. The outcome is a system that comprises important architectural and operational innovations. The system is designed to process sensitive personal data, such as location traces, browsing history and web searches (query logs), to automatically infer user preferences and build corresponding POI-based user profiles. These profiles are then used by a contextual suggestion engine to anticipate user choices and make POI recommendations for tourists. Privacy leaks are minimized by implementing an important part of the system functionality at the user side, either as a mobile app or as a client-side web application, and by taking additional precautions, like data generalization, wherever necessary. As a proof of concept, we present a prototype that implements the aforementioned mechanisms on the Android platform accompanied with certain web applications. Even though the current prototype focuses only on location data, the results from the evaluation of the contextual suggestion algorithms and the user experience feedback from volunteers who used the prototype are very positive. View Full-Text
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Efraimidis, P.S.; Drosatos, G.; Arampatzis, A.; Stamatelatos, G.; Athanasiadis, I.N. A Privacy-by-Design Contextual Suggestion System for Tourism. J. Sens. Actuator Netw. 2016, 5, 10.
Efraimidis PS, Drosatos G, Arampatzis A, Stamatelatos G, Athanasiadis IN. A Privacy-by-Design Contextual Suggestion System for Tourism. Journal of Sensor and Actuator Networks. 2016; 5(2):10.Chicago/Turabian Style
Efraimidis, Pavlos S.; Drosatos, George; Arampatzis, Avi; Stamatelatos, Giorgos; Athanasiadis, Ioannis N. 2016. "A Privacy-by-Design Contextual Suggestion System for Tourism." J. Sens. Actuator Netw. 5, no. 2: 10.
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