The products of Networked Software must meet customers' business needs in addition to features other than the functional requirements, non-functional characteristics. In order to ensure the system performance, reliability, maintainability and scalability, it is necessary that non-functional conflict digestion method to be optimized so that the higher the efficiency of the implementation of Netw...

In this article we present a survey on the area of Requirements Engineering anchored on the analysis of a real life case study, the London Ambulance Service [56]. We aim at bringing to context new methods, techniques and tools that should be of help to both reaserchers and practitioners. The case study in question is of special interest in that it is available to the public and deals with a ver...

This paper presents a proposal to validate non functional requirements based on the NFR-framework. Our aim is to offer a systematization to validate nonfunctional requirements, analyzing its evolution and the quality of the original document specification regarding the non-functional requirements. In order to achieve that we tested the systematization in 3 (three) documents of requirement speci...

Distributed database design is a complex process that involves a set of distinct aspects for the accomplishment of an adequate data distribution (Buretta 1997). Many of these aspects correspond to non functional requirements (quality properties or systems restrictions), for example, availability, costs and performance, that are abstract questions. Non functional requirements are normally not ex...

Traditional PL requirements approaches present several problems in requirements analysis, mainly in variants analysis and selection. The main handicap is dealing with non-functional requirements. These problems can be solved with the introduction of the goal/softgoal paradigm. This paradigm introduces intentionality (“whys”) and allows relating functional and nonfunctional requirements, the bas...

Interpretation-based Verification of Non-functional Requirements Agostino Cortesi and Francesco Logozzo ? 1 Università Ca’ Foscari di Venezia, I-30170 Venezia (Italy) [email protected] 2 École Polytechnique, F-91128 Palaiseau cedex (France) [email protected] Abstract. The paper investigates a formal approach to the verification of non functional software requirements, e.g. p...

This paper presents an account of the experience observed when obtaining a set of requirements for the development of educational software for people with impaired vision. Numerous techniques of requirements engineering, specifically review and prototyping techniques, were applied to elicit, analyze, and validate 51 requirements for educational software for the vision impaired. Requirements wer...

In this paper, we introduce a catalogue template as one of the building blocks for a repository of metrics. Particularly, starting from a conceptual quality framework, we thoroughly discuss a catalogue template for product metrics instantiating it with some Web metrics. A catalogue of metrics basically allows evaluators and other stakeholders to have a consultation and reuse mechanism, which st...

[Context and motivation] Non-functional requirements (NFRs) play a fundamental role when software architects need to make informed decisions. Criteria like efficiency or integrity determine up to a great extent the final form that the logical, development and deployment architectural views take. [Question/problem] Continuous evidence is needed about the current industrial practices of software ...

A method for analysing requirements for complex sociotechnical systems is described. The method builds on the I* family of models by explicitly Modelling communication between agents by discourse act types. System (i*) models and use cases are developed which describe the dependencies between human and computer agents in terms of a set of discourse acts that characterise the obligations on agen...