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Please use this identifier to cite or link to this item: http://hdl.handle.net/10362/1962

Title: Integrating the theme approach with aspectual scenarios
Authors: Penim, Ana Sofia Conceição
Advisor: Júnior, João Araújo
Keywords: Aspect-oriented software development
Scenario based development
Theme approach
UML
Negative scenarios
Issue Date: 2009
Publisher: FCT - UNL
Abstract: Aspect-oriented requirements engineering emerged to deal with crosscutting requirements, i.e. requirements that are scattered in the requirements document and tangled with other requirements. There are several aspect-oriented requirements approaches - Theme, proposed by Baniassad and Clarke [7], is one of them. This approach is characterized by the identification of a set of actions associated to verbs present in requirements documentation. These actions are then analyzed in order to identify crosscutting behaviours, each one constituting a potential theme. One problem with this approach is that the composition mechanism is not expressive enough even when the Theme models are integrated to analysis models (e.g. UML diagrams). The MATA approach [24] provides powerful composition mechanisms, based on graph transformations that used UML models, in particular behaviour models (e.g. sequence or activity like diagrams). These models express scenarios that constitute a very popular and used technique to specify a system’s behaviour. Therefore, the result of the integration of these two approaches will be synergetic. Also, considering that in a system not only the expected situations happen, scenarios can also be used to illustrate unexpected situations, making their treatment possible. Negative scenarios are thus also considered, besides the positive ones: their representation is similar, only differing from an optimist and mostly assumed vision of the system’s behavior. These scenarios could be identified with Theme and mapped into MATA. In summary, the objective of this dissertation is twofold: firstly, we will integrate Theme with Aspectual Scenarios (specified in MATA); secondly, we will extend Theme to include the modeling of negative scenarios. The result will be the synergy between two complementary techniques, including the specification of undesirable situations, where behavioral and structural aspect modeling are integrated.
Description: Dissertação de Mestrado em Engenharia Informática
URI: http://hdl.handle.net/10362/1962
Appears in Collections:FCT: DI - Dissertações de Mestrado

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