Abstract. Requirements engineering

Abstract. Requirements engineering activities demand adequate conceptual modeling
support to be effectively and efficiently performed, especially in complex domains
such as ubiquitous computing. Ubiquitous systems are embedded in ever-changing
environments, in which the device heterogeneity, user mobility, content server distribution,
adaptability, context awareness and other issues are intrinsic. Unfortunately,
there is a lack of conceptual and tool support that guides developers from requirements
to code while respecting the non-functional requirements that arise from the
special nature of ubiquitous systems. In this paper, we present a catalogue of nonfunctional
requirements for ubiquitous systems and a method for using it to guide systematic
system development. We report on experiences in the construction of this catalogue,
drawing on state-of-the-art literature as well as our own experimental research.
The catalogue is constructed using the NFR Framework. Operationalizations of the
NFRs are illustrated through the use of multi-agent-systems, goal orientation and distributed
intentionality.