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Resumo(s)
Software processes and corresponding models are commonly
held as dynamic entities that are often changed and evolved by skillful
knowledge workers such as the members of a software development team.
Consequently, process flexibility has been identified as one of the most
important features that both Process Modelling Languages (PMLs) and
software tools that manage the processes should support. However, in
the everyday practice, most software team members do not wish for total flexibility. They rather prefer to have controlled flexibility, i.e., to
learn and follow advices previously modelled by a process engineer on
which and how they can change the elements that compose a software
process. Since process models constitute a preferred vehicle for sharing
and communicating knowledge on software processes, the process engineer needs a PML that can express this controlled flexibility, along with
other process perspectives. To achieve this enhanced PML, we firstly need
a sound core set of concepts and relationships that defines the knowledge domain associated with the modelling of controlled flexibility. In
this paper we capture and represent this domain by using Concept Maps
(Cmaps). These include diagrams and descriptions that elicit the relationships between the concepts involved. The proposed Cmaps can then
be used as input to extend a PML with modelling constructs to express
controlled flexibility within software processes. Process engineers can use
these constructs to define, in a process model, advices on changes that
can be made to the model itself or to related instances. Software team
members can then consult this controlled flexibility information within
the process models, and perform changes accordingly.