Shim, Duksup; Kim, Young-Bae, 2004 IAMOT 13th International Conference on Management of Technology, v.13, pp.1 - 10, International Association for Management of Technology, 2004-04
Lee, Youngkon; Moon, Songchun, Proceedings of the 1997 6th International Conference on Information and Knowledge Management, CIKM'97, pp.59 - 66, Association for Computing Machinery (ACM), 1997-11-10