Epidemic Diffusion of Social Updates in Dunbar-Based DOSN

Conti, M.; Guidi, B.; Ricci, L.

Risultato della ricerca: Paper

7 Citazioni (Scopus)

Abstract

Distributed Online Social Networks (DOSNs) do not rely on a central repository for storing social data so that the users can keep control of their private data and do not depend on the social network provider. The ego network, i.e. the network made up of an individual, the ego, along with all the social ties she has with other people, the alters, may be exploited to define distributed social overlays and dissemination protocols. In this paper we propose a new epidemic protocol able to spread social updates in Dunbar-based DOSN overlays where the links between nodes are defined by considering the social interactions between users. Our approach is based on the notion of Weighted Ego Betweenness Centrality (WEBC) which is an egocentric social measure approximating the Betweenness Centrality. The computation of the WEBC exploits a weighted graph where the weights correspond to the tie strengths between the users so that nodes having a higher number of interactions are characterized by a higher value of the WEBC. A set of experimental results proving the effectiveness of our approach is presented.
Lingua originaleEnglish
Stato di pubblicazionePublished - 2014

Cita questo

Conti, M.; Guidi, B.; Ricci, L. (2014). Epidemic Diffusion of Social Updates in Dunbar-Based DOSN.

Epidemic Diffusion of Social Updates in Dunbar-Based DOSN. / Conti, M.; Guidi, B.; Ricci, L.

2014.

Risultato della ricerca: Paper

Conti, M.; Guidi, B.; Ricci, L. 2014, 'Epidemic Diffusion of Social Updates in Dunbar-Based DOSN'.
Conti, M.; Guidi, B.; Ricci, L.. Epidemic Diffusion of Social Updates in Dunbar-Based DOSN. 2014.
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AB - Distributed Online Social Networks (DOSNs) do not rely on a central repository for storing social data so that the users can keep control of their private data and do not depend on the social network provider. The ego network, i.e. the network made up of an individual, the ego, along with all the social ties she has with other people, the alters, may be exploited to define distributed social overlays and dissemination protocols. In this paper we propose a new epidemic protocol able to spread social updates in Dunbar-based DOSN overlays where the links between nodes are defined by considering the social interactions between users. Our approach is based on the notion of Weighted Ego Betweenness Centrality (WEBC) which is an egocentric social measure approximating the Betweenness Centrality. The computation of the WEBC exploits a weighted graph where the weights correspond to the tie strengths between the users so that nodes having a higher number of interactions are characterized by a higher value of the WEBC. A set of experimental results proving the effectiveness of our approach is presented.

KW - DOSN; P2P; Information Diffusion; Dunbar

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