Department of Information Science, University of Arkansas at Little Rock, 2801 S, University Ave, Little Rock, AR 72204-1099, USA.|Department of Information Science, University of Arkansas at Little Rock, 2801 S, University Ave, Little Rock, AR 72204-1099, USA.|Department of Information Science, University of Arkansas at Little Rock, 2801 S, University Ave, Little Rock, AR 72204-1099, USA.|Department of Information Science, University of Arkansas at Little Rock, 2801 S, University Ave, Little Rock, AR 72204-1099, USA.|Department of Information Science, University of Arkansas at Little Rock, 2801 S, University Ave, Little Rock, AR 72204-1099, USA.