C3PO: A Spontaneous and Ephemeral Social Networking Framework for a Collaborative Creation and Publishing of Multimedia Contents

Abstract

Online social networks have been adopted by a large part of the population, and have become in few years essential communication means and a source of information for journalists. Nevertheless, these networks have some drawbacks that make people reluctant to use them, such as the impossibility to claim for ownership of data and to avoid commercial analysis of them, or the absence of collaborative tools to produce multimedia contents with a real editorial value.In this paper, we present a new kind of social networks, namely spontaneous and ephemeral social networks (SESNs). SESNs allow people to collaborate spontaneously in the production of multimedia documents so as to cover cultural and sport events.

Choreography-based vs orchestration-based service composition in opportunistic networks

“…The discovery, invocation and composition system we have proposed has been developed using the C3PO framework [3], and evaluated using an emulator developed within our research team. Two distinct scenarios have been considered in this evaluation: one, involving people roaming in a open area of 500x500 meters, and another one, involving attendees that move along the running path of a sport event in the city of Vannes in France.…”

“…In the orchestration-based composition strategy, the utilitybased function is exclusively executed by the object that initiates the composition process, while in the choreographybased one this function is called by each object that has been selected to participate in the composition process. We have developed our service composition system on top of the C3PO middleware platform [2], [3]. This platform implements several routing strategies based on the "store, carry and forward" principle, and provides point-to-point and publish/subscribe APIs.…”

Opportunistic service composition in pervasive networks

“…Like research works [3], [4], [5], [7], and [8], it supports an incremental and partial composition mechanism, thus allowing to compose services progressively according to their discovery, and to avoid to rebuild the whole composition when a service provider involved in the composition process becomes unreachable. In order to cope with connection disruptions in the service discovery and invocation processes, our system leverages on the C3PO opportunistic computing middleware, dedicated to the development and the deployment of opportunistic Android applications in the context of spontaneous and ephemeral social networks [9]. This middleware offers means to discover and invoke remote services thanks to opportunistic communication, based on the store-carry-and-forward principle [10].…”

C3PO: A Network and Application Framework for Spontaneous and Ephemeral Social Networks

“…SESNs are expected to vanish with the end of the event. See [3] for a general description of the project. In this paper, we present the framework designed in project C3PO to support opportunistic networking in SESNs.…”