Chirag Shah -
School of Communication & Information, Rutgers University, 4 Huntington St, New Brunswick, NJ 08901
Jingjing Liu -
School of Library & Information Science, University of South Carolina, 1501 Greene Street, Columbia, SC 29208
Roberto González-Ibáñez -
Departamento de Ingeniería Informática, Universidad de Santiago de Chile, Avenida Ecuador 3659, Estación Central, Santiago, Chile
Nicholas Belkin -
School of Communication & Information, Rutgers University, 4 Huntington St, New Brunswick, NJ 08901