An artefact for MASs is an entity not driven by an inner goal (as agents are), but used by agents to achieve their own goals. In this paper, we assume agents and artefacts as first-class entities in MAS engineering, and claim that agent-oriented methodologies should exploit these two abstractions as the basic bricks for the whole engineering process. As a first testbed, we take the SODA agent-o...

This paper presented a multimodal discourse analysis of some visual images in the political rally discourse of 2011 electioneering campaigns in Southwestern Nigeria. The data comprised purposively selected political visual artefacts from political rallies across the six Southwestern States in Nigeria (Osun, Oyo, Ondo, Ekiti, Ogun, and Lagos). The data were analyzed using Halliday’s (1985) syste...

Providing smart meters and technology for feedback on energy consumption have been considered strategic in current energy policies as part of the battle against climate change. However, feedback alone does not always lead to energy savings. Beyond information on their own consumption and generic advices, people usually still need more specific guidance on how to change their behaviour in an eff...