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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)
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)
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)
Social networks attract lots of new users every day and absorb from them information about events and facts happening in the real world. The exploitation of this information can help identifying mobility patterns that occur in an urban environment as well as produce services to take advantage of social commonalities between people. In this paper we set out(More)
In this paper we focus on the problem of having a multitude of very simple mobile robots self-organize their relative positions so as to obtain a variety of spatial configurations. The problem has a variety of applications in mobile robotics, modular robots, sensor networks, and computational self-assembly. The approach we investigate in this paper attempts(More)