NDLI: Tempus Fugit: The Impact of Time in Knowledge Mobilization Networks

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Tempus Fugit: The Impact of Time in Knowledge Mobilization Networks

Content Provider	ACM Digital Library
Author	Flocchini, Paola Rad, Amir Afrasiabi Gaudet, Joanne
Abstract	The temporal component of social networks is often neglected in their analysis, and statistical measures are typically performed on a "static" representation of the network. As a result, measures of importance (like betweenness centrality) cannot reveal any temporal role of the entities involved. Our goal is to start filling this limitation by proposing a form of temporal betweenness measure, and by using it to analyse a knowledge mobilization network. We show that this measure, which takes time explicitly into account, allows us to detect centrality roles that were completely hidden in the classical statistical analysis. In particular, we uncover nodes whose static centrality was considered negligible, but whose temporal role is instead important to accelerate mobilization flow in the network. We also observe the reverse behaviour by detecting nodes with high static centrality, whose role as temporal bridges is instead very low. By revealing important temporal roles, this study is a first step towards a better understanding of the impact of time in social networks, and opens the road to further investigation.
Starting Page	1523
Ending Page	1530
Page Count	8
File Format	PDF
ISBN	9781450338547
DOI	10.1145/2808797.2809315
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2015-08-25
Publisher Place	New York
Access Restriction	Subscribed
Content Type	Text
Resource Type	Article

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