Conceptutils provides tranformation tools and utilities to integrate different concept map, mind map, outliner and graph formats and publish them on the web.

Currently, ConceptUtils contains following components:

Try KeyGraph online (applet-enabled browser required).

A partial illustration of potential transformations of mathematical/conceptual content. Some of these transformations can be facilitated by ConceptUtils components.

Conceptual Transformations

A general overview of the system can be found from the following paper:
M. Nurminen and J. Itkonen. Online Mathematics With Interactive Concept Maps. Submitted to CMC2008. Logo © Miika Nurminen (
Last update: 2008-06-26