Knowledge Management has become in recent years a concern of most major organizations. Already, in 2002, a survey by the US Conference Board and the American Management Association had shown that 80% of the thousand largest American companies where implementing some form of knowledge management in their organizations. Knowledge management embed concepts like “Intellectual Capital”, “Learning Organization”, “Business Intelligence”, “Process re-engineering and decision support” and “Competency Management”. It is a cross-disciplinary field using methods and technologies from cognitive science, expert systems and knowledge engineering, data and text mining, library and information sciences, document management, computer supported collaborative ...