184 citations · 690 across the 22 of their papers we have counts for
4 papers · 1 filter
A Framework for Quantitative Analysis of Cascades on Networks
Rumi Ghosh, Kristina Lerman
How does information flow in online social networks? How does the structure and size of the information cascade evolve in time? How can we efficiently mine the information containe…
A Parameterized Centrality Metric for Network Analysis
Rumi Ghosh, Kristina Lerman
A variety of metrics have been proposed to measure the relative importance of nodes in a network. One of these, alpha-centrality [Bonacich, 2001], measures the number of attenuated…
Centrality Metric for Dynamic Networks
Kristina Lerman, Rumi Ghosh, Jeon Hyung Kang
Centrality is an important notion in network analysis and is used to measure the degree to which network structure contributes to the importance of a node in a network. While many…
Predicting Influential Users in Online Social Networks
Rumi Ghosh, Kristina Lerman
Who are the influential people in an online social network? The answer to this question depends not only on the structure of the network, but also on details of the dynamic process…