On a related note, Transit [1], by Hickey et all, can provide a meta scheme for data interchange that inter-operates with JavaScript. It provides a richer set o

On a related note, Transit [1], by Hickey et all, can provide a meta scheme for data interchange that inter-operates with JavaScript. It provides a richer set of data sets than traditional schemas. You can define things as a Set or List, for example. As a result, you can express data behavior while expressing general structure. 1 - http://blog.cognitect.com/blog/2014/7/22/transit http://blog.cognitect.com/blog/2014/7/22/transit