Once one or several Express schemas are made available to JSDAI the tool ExpressDoc can be used to generate a HTML representation of the Express schema. Such HTML documentation has many advantages compared to the original Express schema(s). In a compact way it provides navigation features for:
JSDAI ExpressDoc is also used to generate parts of the API reference documentation. As an example you may look to the HTML page, representing the entity Cartesian_point.
When working extensively with data models defined in Express you will find that the documentation, generated by JSDAI ExpressDoc is a big help, especially if the data model is rather big and spans over several schemas.