Affiliation: | (1) School of Communication, Information and Library Studies, Rutgers University, 08903 New Brunswick, NJ, (USA);(2) Graduate School of Library and Information Science University of California, 90024 Los Angeles, CA, (USA);(3) OCLC Pacific Network 250 West First St, Suite 330, 91711 Claremont, CA, (USA);(4) Dept. of Computer Science, University of Southern California, 90089 Los Angeles, CA, (USA) |