Knowledge sharing systems are utilised to support groups working together such that members of the group can share data, information and knowledge within a given context. Examples of these systems are intranets and other groupware systems such as videoconferencing, document management systems, bulletin boards, shared databases, electronic mail systems, etc. The use of these systems is growing in the construction industry but, so far, the emphasis has been more on supporting intra-organisation groups rather than virtual project teams that have members drawn from several organisations. This is expected to change