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Erschienen in: Social Network Analysis and Mining 1/2015

01.12.2015 | Original Article

Time-aware analysis and ranking of lurkers in social networks

verfasst von: Andrea Tagarelli, Roberto Interdonato

Erschienen in: Social Network Analysis and Mining | Ausgabe 1/2015

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Abstract

Mining the silent members of an online community, also called lurkers, has been recognized as an important problem that accompanies the extensive use of online social networks (OSNs). Existing solutions to the ranking of lurkers can aid understanding the lurking behaviors in an OSN. However, they are limited to use only structural properties of the static network graph, thus ignoring any relevant information concerning the time dimension. Our goal in this work is to push forward research in lurker mining in a twofold manner: (1) to provide an in-depth analysis of temporal aspects that aims to unveil the behavior of lurkers and their relations with other users, and (2) to enhance existing methods for ranking lurkers by integrating different time-aware properties concerning information production and information consumption actions. Network analysis and ranking evaluation performed on Flickr, FriendFeed and Instagram networks allowed us to draw interesting remarks on both the understanding of lurking dynamics and on transient and cumulative scenarios of time-aware ranking.

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Fußnoten
1
Note that, for the sake of simplicity, we have omitted the subscript T in the freshness and activity trend functions, in the weighting function as well as in the in and out functions, since the reference interval of interest T is assumed clear from the context. Analogously, we override the function symbols \(\mathcal {L}_{\text {in}}(v)\) and \(\mathcal {L}_{\text {out}}(v)\) given in Eq. (1), since they will be never referenced out of the Ts-LR setting.
 
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Metadaten
Titel
Time-aware analysis and ranking of lurkers in social networks
verfasst von
Andrea Tagarelli
Roberto Interdonato
Publikationsdatum
01.12.2015
Verlag
Springer Vienna
Erschienen in
Social Network Analysis and Mining / Ausgabe 1/2015
Print ISSN: 1869-5450
Elektronische ISSN: 1869-5469
DOI
https://doi.org/10.1007/s13278-015-0276-y

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