To address the challenges of aging societies, various information and communication technology (ICT)-based systems for older people have been developed in recent years. Currently, the evaluation of these so-called active and assisted living (AAL) systems usually focuses on the analyses of usability and acceptance, while some also assess their impact. Little is known about the actual take-up of these assistive technologies. This paper presents a framework for measuring the take-up by analyzing the actual usage of AAL systems. This evaluation framework covers detailed information regarding the entire process including usage data logging, data preparation, and usage data analysis. We applied the framework on the AAL prototype CARIMO for measuring its take-up during an eight-month field trial in Austria and Italy. The framework was designed to guide systematic, comparable, and reproducible usage data evaluation in the AAL field; however, the general applicability of the framework has yet to be validated.

ZusammenfassungFitness-Apps gibt es viele. Auf die Bedürfnisse älterer Menschen sind nur wenige zugeschnitten. Dieser Beitrag stellt den Innovationsprozess vor, der die Entwicklung des app-basierten Bewegungsprogramms für älterer Menschen „Fit-mit-ILSE“ geleitet hat. Von der Idee bis zum Prototyp werden jene Schritte beschrieben, die zu richtungsweisenden Impulsen durch potenzielle Nutzer*innen für die Entwicklung von „Fit-mit-ILSE“ führten.

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Although hardware and networking infrastructures have evolved over the years and people are able to connect their devices to mobile networks and exchange information, we argue that the missing glue to enable the true potential of mobile information systems lies in the seamless integration of wireless infrastructures with existing wired infrastructures. In our paper, we present the service-oriented middleware Asomnia, which adapts traditional service-oriented concepts in order to cope with requirements arising from mobile computing challenges.