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Pervasive and mobile computing call for suitable middleware and programming models to support the activities of complex software systems in dynamic network environments. In this article we present TOTA (“Tuples On The Air”), a novel middleware and programming approach for supporting adaptive context-aware activities in pervasive and mobile(More)
Pervasive computing calls for suitable middleware and programming models to deal with large software systems dived in dynamic mobile network environments. Here we present the programming model of TOTA ("tuples on the air"), a middleware for supporting adaptive context-aware activities in pervasive computing scenarios. The key idea in TOTA is to rely on(More)
Field-based coordination is a very promising approach for a wide range of application scenarios in modern dynamic networks. To implement such an approach, one can rely on distributed tuples injected in a network and propagated to form a distributed data structure to be sensed by application agents. However, to gain the full benefits from such a coordination(More)
Stigmergic coordination has received a growing attention in the past few years. In fact, by decoupling interacting agents via the mediation of an active environment, stigmergy promotes the definition of robust and adaptive multiagent systems. However, beside a large amount of scientific studies, the problem of defining usable and general-purpose tools to(More)
Self-Organization is bound to greatly affect computer science. The simplicity and yet power of self-organized models will allow researchers to propose efficient solutions to problems never before thought possible to be addressed efficiently. The published works in the field clearly demonstrate the potential of this approach. This paper first reviews a(More)
We present TOTA (" Tuples On The Air "), a novel middleware for supporting adaptive context-aware activities in dynamic network scenarios. The key idea in TOTA is to rely on spatially distributed tuples for both representing contextual information and supporting uncoupled and adaptive interactions between application components. On the hand, the middleware(More)
Social networks represent a sophisticated tool for accessing the preferences and properties of individuals and groups. Thus, they potentially allow up-to-date, richly annotated contextual data to be acquired as a side effect of users' everyday use of services. In this paper, we explore how such “social sensing” could be integrated into(More)
This paper focuses on the problem of orchestrating the movements of mobile autonomous " agents " and proposes an approach that takes inspiration from the laws of physics. Our idea is to have the movements of agents driven by locally perceived computational force fields (" Co-Fields "), generated by the agents themselves and propagated via some embedded(More)
Here we present the overall objectives and approach of the SAPERE (" Self-aware Pervasive Service Ecosystems ") project, focussed on the development of a highly-innovative nature-inspired framework, suited for the decentralized deployment, execution, and management, of self-aware and adaptive pervasive services in future network scenarios. © Selection and(More)