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- Arnaud Casteigts, Paola Flocchini, Walter Quattrociocchi, Nicola Santoro
- ADHOC-NOW
- 2011

The past few years have seen intensive research efforts carried out in some apparently unrelated areas of dynamic systems – delay-tolerant networks, opportunistic-mobility networks, social networks – obtaining closely related insights. Indeed, the concepts discovered in these investigations can be viewed as parts of the same conceptual universe; and the… (More)

Most instruments formalisms, concepts, and metrics for social networks analysis fail to capture their dynamics. Typical systems exhibit different scales of dynamics, ranging from the fine-grain dynamics of interactions (which recently led researchers to consider temporal versions of distance, connectivity, and related indicators), to the evolution of… (More)

- Arnaud Casteigts
- ICAS
- 2006

The development of applications that target dynamic networks often adresses the same difficulties. Since the underlying network topology is unstable, the application has to handle it in a context-reactive manner, and, when possible, with algorithms that are localized and decentralized. The present paper shows how the DA-GRS model, that is a high level… (More)

- Arnaud Casteigts, Paola Flocchini, Bernard Mans, Nicola Santoro
- IFIP TCS
- 2010

Most highly dynamic infrastructure-less networks have in common that the assumption of connectivity does not necessarily hold at a given instant. Still, communication routes can be available between any pair of nodes over time and space. These networks (variously called delay-tolerant, disruptive-tolerant, challenged) are naturally modeled as time-varying… (More)

- Arnaud Casteigts, Amiya Nayak, Ivan Stojmenovic
- Wireless Communications and Mobile Computing
- 2011

Vehicular networks are envisioned for large scale deployment, and standardization bodies, car manufacturers and academic researchers are solving a variety of related challenges. After a brief description of intelligent transportation system architectures and the main already-established low-level standards, this tutorial elaborates on four particular… (More)

- Frédéric Amblard, Arnaud Casteigts, Paola Flocchini, Walter Quattrociocchi, Nicola Santoro
- 2011 International Conference on Computational…
- 2011

In this paper we approach the definition of new methodologies for the visualization and the exploration of social networks and their dynamics. We present a recently introduced formalism called TVG (for time-varying graphs), which was initially developed to model and analyze highly-dynamic and infrastructure-less communication networks, and TVG derived… (More)

- Arnaud Casteigts, Jeremie Albert, Serge Chaumette, Amiya Nayak, Ivan Stojmenovic
- VTC Fall
- 2010

This paper proposes a new solution to the problem of self-deploying a network of wireless mobile robots with simultaneous consideration to several criteria, that are, the fault-tolerance (biconnectivity) of the resulting network, its coverage, its diameter, and the quantity of movement required to complete the deployment. These criteria have already been… (More)

- Arnaud Casteigts, Serge Chaumette, Afonso Ferreira
- SIROCCO
- 2009

Besides the complexity in time or in number of messages, a common approach for analyzing distributed algorithms is to look at their assumptions on the underlying network. This paper focuses on the study of such assumptions in dynamic networks, where the connectivity is expected to change, predictably or not, during the execution. Our main contribution is a… (More)

- Arnaud Casteigts, Paola Flocchini, Bernard Mans, Nicola Santoro
- 2011 IEEE International Parallel & Distributed…
- 2011

Delay-tolerant networks (DTNs) are characterized by a possible absence of end-to-end communication routes at any instant. In most cases, however, a form of connectivity can be established over time and space. This particularity leads to consider the relevance of a given route not only in terms of hops (topological length), but also in terms of time… (More)

- Arnaud Casteigts, Serge Chaumette
- IASTED PDCS
- 2005