Satisfaction arguments need to be constructed when analyzing the security needs of a system. One begins by representing the system using Jackson’s problem frames [18], adds security requirements in the form of constraints [22], and then attempts to argue that the system satisfies the security requirements. These arguments are the satisfaction arguments.In most cases, an …
Turning to the third element of the approach, facilitation, Dialogue Mapping5 is a set of skills for mapping ideas as IBIS structures in order to support the analysis of wicked problems, as defined by Rittel.6 It has turned out to be a critical development in argumentation-based DR, since it provides a way to negotiate the …
The capture problem is the specter haunting all DR efforts (indeed, all knowledge management efforts attempting to meaningfully capture elements of human reasoning and discourse). How does one acquire quality input to a rationale management system, without disrupting the very process it is designed to support, or without having to employ dedicated scribes who do …
Few would disagree with this book’s opening chapter that the systematic management of design rationale (DR) is not yet common software engineering practice. By extension this applies to the particular flavor of DR with which we work, namely the IBIS/QOC approaches to creating graphical argumentation maps of design deliberation (reviewed in Chap. 1 and classed …
Hypermedia Support for Argumentation-Based Rationale: 15 Years on from ibis and QOC. Read More »
When one of the above types of prototypes is selected, a certain kind of information and rationale is sought. During prototype development, further rationale is created (why to do it that way?). During development, the flow state [5] may be reached, and an interruption will hamper the creation process. However, as soon as the prototype …
FOCUS is a strategy and a family of tools to capture knowledge sparked by prototypes [16]. According to Lichter et al. [12], there are different kinds of prototypes that are built with different goals in mind. The definitions of various types of prototypes are listed below, with respective rationale mentioned in parentheses. −Demonstrators elicit requirements …
Additional paths and structures are captured while audio or video sources are recorded. For example, simple recordings can be replayed. In the end, there are several different recordings from one recorded session, e.g. a sequence of DOORS requirements discussed (sequence of Req.-IDs), specification structure (requirements within table of contents), and audio recording of discussion (time-indexed …
This principle differentiates the approach from simple recording. While audio or video recording would not necessarily require a computer, this principle demands the recordings to be computerized (at least in the end). But there is more to this principle: the more one knows about the focus task at hand, the more additional information can be …
Compendium extends the use of IBIS from modeling a discussion, to more systematic modeling of a problem. A modeling approach focuses attention on a specific subset of issues and information, it may constrain the kinds of options one considers, and it may also focus attention on how one assesses them. In Compendium, a modeling approach …
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