The evolution of the characteristics and necessities of the business companies different information needs and users has been establishing, along the time, not just the criation of different information systems, but also the continuous profile adaptation of the information professionals. The first and traditional business technical library model was followed by business documentation center, business information center, business virtual library, competitive intelligence center and, nowadays, the knowledge management center. The acknowledgement of the knowledge management and intellectual capital strategic importance in business companies, reveals itself the newest information management evolution phase. The different business information systems models coexist and do not exclude themselves, although expressive part of the information professionals has not been coming along and adapting to this evolution, and has been loosing their job positions to other specialities professionals.
Knowledge management; Intellectual capital; Information for businesses; Information systems for businesses; Knowledge agents