Knowledge Building theory was created and developed by Carl Bereiter and Marlene Scardamalia in order to describe what a community of learners need to accomplish in order to create knowledge. The theory address the need to educate people for the knowledge age society, in which knowledge and innovation are pervasive (Scardamalia & Bereiter, 2003).

Principles of knowledge building

Educational psychology
Knowledge Forum
Fle3 - Future Learning Environent - web-based learning environment with Knowledge Building tool.
Constructivism (learning theory)
Knowledge building communities
Carl Bereiter
Marlene Scardamalia