1. Lee, J. and Park, S. (2005), “Trend and development direction of search portal system”, Information Management Study, Vol. 36 No. 4, pp. 71‐89.
2. OCLC WorldCat (2006), available at: www.oclc.org/worldcat/open/facts/default.htm.
3. Song, Y., Kim, U. and Kim, Y. (2006), “Linking private portals of national knowledge information resource using web service”, 2005 Spring Conference of the Korea Society of Management Information Systems, Seoul, Korea, 17 June 2006, Korea Science and Technology Hall.
4. Wang, A.H. (2006), “OCLC Open WorldCat Program”, OCLC Open WorldCat Presentation, Seoul, Korea, 10 April 2006, Korea Education and Research Information Service.
5. Yang, M. (2006), “Behavior prediction and core keywords suggestion of 2006 portal visitors”, paper presented at the 2006 Web Biz Conference: Working Out the Successful Strategy of Web Business Through the Analysis of Customer Behaviors, Seoul, Korea, 6 March 2006, Korea Chamber of Commerce and Industry.