Publications

Structural and cognitive bottlenecks to information access in social networks

Abstract

Information in networks is non-uniformly distributed, enabling individuals in certain network positions to get preferential access to information. Social scientists have developed influential theories about the role of network structure in information access. These theories were validated through numerous studies, which examined how individuals leverage their social networks for competitive advantage, such as a new job or higher compensation. It is not clear how these theories generalize to online networks, which differ from real-world social networks in important respects, including asymmetry of social links. We address this problem by analyzing how users of the social news aggregator Digg adopt stories recommended by friends, i.e., users they follow. We measure the impact different factors, such as network position and activity rate; have on access to novel information, which in Digg's case means set of distinct …

Date
May 1, 2013
Authors
Jeon-Hyung Kang, Kristina Lerman
Book
Proceedings of the 24th ACM Conference on Hypertext and Social Media
Pages
51-59