1) There are three major types of knowledge management systems: enterprise-wide systems, knowledge work systems, and intelligent techniques.
2) Enterprise-wide systems deal with structured knowledge like documents, semi-structured knowledge like emails, and network knowledge about employee expertise. They use technologies like document management, portals, and expertise location.
3) Major accounting firms have large structured document repositories of client reports that are organized and used to train new consultants, like KPMG's KWorld system with over 9 levels of content organization.