A knowledge relation map generator to visualize the group knowledge formation on a knowledge portal

Design of the next-generation Internet-based services has been an active research topic, which is aimed to actuate a social activity that generates and distributes Web contents itself. Development of a knowledge portal is an implementation towards this perspective for scientific collaboration. A knowledge portal site allows the research teammates to create and share their knowledge objects. The website therefore grows itself unlimitedly and unexpectedly. In the previous work, we developed a visualization tool to display the sitemap of a knowledge portal and observe the concept map of group knowledge for the following reasons: (a) The knowledge objects are represented in webpages but a sitemap cannot be prepared to outline the contents in advance; and (b) the developed knowledge objects are associated with conceptual elements defined within the ontology of the knowledge portal. In this paper, we propose an upgraded map generator that can further construct the knowledge relation map on basis of common references. As for the practice platform of our visualization tools, we chose a locally developed knowledge portal, called Open Computational Problem Solving (OpenCPS) Knowledge Portal.