165 citations · 545 across the 19 of their papers we have counts for
4 papers · 1 filter
Friendship Paradox Redux: Your Friends Are More Interesting Than You
Nathan O. Hodas, Farshad Kooti, Kristina Lerman
Feld's friendship paradox states that "your friends have more friends than you, on average." This paradox arises because extremely popular people, despite being rare, are overrepre…
Limited Attention and Centrality in Social Networks
Kristina Lerman, Prachi Jain, Rumi Ghosh +2
How does one find important or influential people in an online social network? Researchers have proposed a variety of centrality measures to identify individuals that are, for exam…
Structural and Cognitive Bottlenecks to Information Access in Social Networks
Jeon-Hyung Kang, Kristina Lerman
Information in networks is non-uniformly distributed, enabling individuals in certain network positions to get preferential access to information. Social scientists have developed…
LA-LDA: A Limited Attention Topic Model for Social Recommendation
Jeon-Hyung Kang, Kristina Lerman, Lise Getoor
Social media users have finite attention which limits the number of incoming messages from friends they can process. Moreover, they pay more attention to opinions and recommendatio…