7Kim J Y, Kim J W, Kim C S. Ontology-based user preference modeling for enhancing interoperability in personalized services [ J ]. Universal Access in HCI, Part Ⅲ, HCII 2007, LNCS 4556, pp. 903-912.
8Chau M, Huang Z, Qin J L, et al. Building a scientitic knowledge web portal: The NanoPort experience [J]. Decision Support Systems, 2006,42 (2) :1216 - 1238.