1. Information systems: a management perspective;Alter,1996
2. The current state of knowledge management;Beckman,1999
3. Using site semantics to analyze, visualize, and support navigation;Berendt;Data Mining and Knowledge Discovery,2002
4. Towards a strategy for knowledge management;Blumentritt;Technology Analysis & Strategic Management,1999
5. The unified modeling language user guide;Booch,2005