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Healthc Technol Lett. 2014 Apr 25;1(2):64-7. doi: 10.1049/htl.2014.0052. eCollection 2014 Jun.

E-servant: an intelligent, programmable system to support and integrate assisted living technologies.

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Department of Computing , Glyndwr University , Wrexham , LL11 2AW , Wales , UK.
HOWLab , Universidad de Zaragoza , Zaragoza , Spain.


The 'E-servant', a programmable system to control and manage assistive technologies, telehealth and telecare devices in a home environment is presented. The E-servant is programmed using a simple graphical interface that allows the user to build a dialogue in the form of a production rule system, which is triggered by a patient- or technology-initiated event. The patient interacts with the system through a personalised user interface to reach their goal of completing a task. These tasks, which the authors call 'scenarios', can be designed for users of different abilities (cognitive and/or physical). They can also be given priority levels, for example if a potential emergency situation arises in the patient's home, a scenario associated with the sensing of this event takes highest priority. The research presented in this Letter outlines the E-servant, its programming tool and reports its evaluation in living laboratory settings. The results suggest that it can be used as a central management system for supporting an integrated support environment for facilitating healthcare and activities of daily living, especially for older patients.


assisted living; assisted living technologies; central management system; cognition; daily living; e-servant; graphical interface; graphical user interfaces; home environment; integrated support environment; intelligent programmable system; knowledge based systems; older patients; patient-initiated event; personalised user interface; production rule system; technology-initiated event; telecare devices; telehealth; telemedicine

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