The method engineering paradigm enables designers to reuse portions of design processes (called method fragments or chunks in literature) to build processes that are expressly tailored for realising a system that is specific for some problem or development context. This paper initially reports on the standardisation attempt carried out by the FIPA Methodology Technical Committee (TC) and then presents the research activities we did starting from that work; these resulted in a slightly different definition of some of the most important elements of the approach in order to support a multiview representation of the fragment (the views are process, reuse, storing and implementation). The paper also describes the documents we used for representing a fragment and concludes with an example
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The construction of ad-hoc design processes following the Situational Method Engineering (SME) paradigm is currently carried out by adopting a set of phases for which, until now, no well defined techniques and guidelines have been established. The consequence is that organizations are very dependent on method designers' skills. In this paper, we propose an approach based on SME for constructing customized agent oriented design processes. Our approach adopts the metamodel as the most important factor leading to the selection and assembly of method fragments and an algorithm for establishing the instantiation order of metamodel elements. The algorithm makes the proposed approach repeatable and usable even by not very skilled personnel thus proposing an improvement to the actual situation. The proposed approach and the algorithm are also experimented through the construction of a design process (ASPECS) for developing dynamic hierarchical societies of agents. The approach we created is general enough to be applied in other development contexts (not only agent-oriented).
Robotic systems are often quite complex to develop; they are huge, heavily constrained from the non-functional point of view and they implement challenging algorithms. The lack of integrated methods with reuse approaches leads robotic developers to reinvent the wheel each time a new project starts. This paper proposes to reuse the experience done when building robotic applications, by catching it into design patterns. These represent a general mean for (i) reusing proved solutions increasing the final quality, (ii) communicatEmail addresses: chella@unipa.it (Antonio Chella), cossentino@pa.icar.cnr.it (Massimo Cossentino), gaglio@unipa.it (Salvatore Gaglio), sabatucci@dinfo.unipa.it (Luca Sabatucci), seidita@dinfo.unipa.it (Valeria Seidita) Preprint submitted to Systems and Software October 21, 2009 ing the knowledge about a domain and (iii) reducing the development time and effort. Despite of this generality, the proposed repository of patterns is specific for multi-agent robotic systems. These patterns are documented by a set of design diagrams and the corresponding implementing code is obtained through a series of automatic transformations. Some patterns extracted from an existing and freely available repository are presented. The paper also discusses an experimental setup based on the construction of a complete robotic application obtained by composing some highly reusable patterns.
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