Abstract iStar is a general-purpose goal-based modelling language used to model
requirements at early and late phases of software development. It has been used in …

Change is an essential characteristic of software development, as software systems must
respond to evolving requirements, platforms, and other environmental pressures. In this …

Quality requirements of a software system cannot be optimally met, especially when it is
running in an uncertain and changing environment. In principle, a controller at runtime can …

Traditional information systems that enable organizations to collaborate, share information
and resources, have several weaknesses such as security, interoperability and transparency …

A fundamental feature of intelligent agents is their ability to deliberate over their goals.
Operating in an environment that may change in unpredictable ways, an agent needs to …

In an organisational setting such as an online marketplace, an entity called the
'organisation'or 'institution'defines interaction protocols, monitors agent interaction, and …

Security Requirements Engineering (SRE) is concerned with the elicitation of security needs
and the specification of security requirements of the system-to-be. Current approaches to …

We address the challenge of adaptation in open systems. Open systems are characterized
by interactions among autonomous and heterogeneous participants. In such systems, each …

Commitments help model interactions in multiagent systems in a computationally realizable
yet high-level manner without compromising the autonomy and heterogeneity of the member …

A business process is first and foremost a social interaction among multiple participants.
Business process modeling languages support the description of business processes in …