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Non-functional requirements are considered as vital factors for producing software of better quality. As a widely adopted non-functional requirements analysis framework, the NFR Framework provides a graphical treatment for goal refinement and evaluation. This paper propose a logical representation for the NFR Framework. In addition, an NFR extension operator and an accompanying extension function...
Modeling high-level enterprise strategies helps clarify the intentional dependencies between the organizational actors. Business process models, on the other hand, give more elaborated descriptions to the enterprise daily operations. In this paper, we aim to synthesize these two modeling perspectives by synthesizing the i* model and the UML activity diagram.
Requirements elicitation, as the first phase of the software life cycle, its importance is becoming more and more prominent. How fast and accurate user requirements can be elicited, is a problem that people wants to solve for a long time. This paper proposes to establish an automated elicitation system based on domain knowledge on user requirements. By gradually perfecting and refining the original...
At the present time, requirements knowledge is mainly in the possession of requirements experts and senior experienced practitioners, which is often implicit and pragmatic to share with novices. Requirements patterns aim to help derive complete, consistent, and implementable requirements specifications from rough sketches of the problem context. In this paper, we propose to use semi-formal approaches...
In this position paper, we set out to explore the possibilities of formulating problems in requirements engineering with concepts and frameworks from cybernetics. The objective is to seek practical synergies and to understand notable differences between the two areas. We try to understand to what extent known research results from cybernetics can be applied to address problems encountered at the requirements...
This paper proposes a formalism for on-demand service selection and composition. It is based on the agent-oriented requirements modeling framework i* which can be used as a means of studying the requirements and architectural setting for service-oriented environment. We argue that a social ontology such as i* extended with a formal reasoning mechanism, offers better understanding to the social/organizational...
Capability specification is key problem for Web service discovery. Conventional one-step process based capability specification has its limitations. This paper proposes an approach for semantic behavior-based capability specification of Web service to stride over the limitations. Meta-level environment ontology is proposed to provide formal and sharable specifications of environment resources in a...
In this paper, we formalize the concept of a delegation network for Web intermediaries and present formal semantics for the responsibility of these actors. Key properties of the network are proven and method to judge an actor's responsibility is given. This work is important because it determines the accuracy of task execution and the feasibility of content reuse in the network
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