Avatar-based systems provide an intuitive way of interacting with users in the context of Ambient Assisted Living (AAL). These
systems are typically supported by a diverse set of services for, e.g, social daily activities, leisure, education and safety. This paper studies the importance of specific services for two organizations, namely MRPS in Geneva, Switzerland and ORBIS in Sittard, Netherlands. Based on this study, we present the design of a backend framework that supports Avatar interaction by means of a comprehensive set of services for safe and independent living
