“…In the 1980s, library users were regarded as end-users, and Ojala was the first to propose in 1986 that libraries treat users as customers and must be able to meet their demands should. Considering the importance of users to libraries, researchers have proposed that library management consider user needs as well as customer expectation and satisfaction in setting management goals (Green, 1990;Millson-Martula and Menon, 1995;Heckart, 1999;Hernon et al, 1999;Flanagan and Horowitz, 2000;Cullen, 2001;Martensen and Gronholdt, 2003;Shi et al, 2004). Since the emergence of a network environment, libraries have to pay close attention to their customers' opinions (Cullen, 2001;Van Groenendaal, 1997;Xie, 2006;Koohang and Ondracek, 2005).…”