Abstract: A robust knowledge-based management and sharing system organized by context for context-based searching and retrieval of relevant information is disclosed. The described embodiments and techniques are used to automatically generate user profile data and organize it around one or more contexts associated with users such as their projects, products, or customers; or around users' expertise such as their competencies, knowledge, and experience. At least certain embodiments include a graphical user interface that is configured to display the automatically generated user profiles categorized based on a given expertise or context associated with the end-user.