http://www.darpa.mil/program/explainable-artificial-intelligence
Another case of understandability-as-a-design-goal.
article-explainable-artificial-intelligence#tools-to-explain-decisions These models will be combined with state-of-the-art human-computer interface techniques capable of translating models into understandable and useful explanation dialogues for the end user. article-explainable-artificial-intelligence#tools-to-explain-decisions
classify events-of-interest in heterogeneous, multimedia data.
These tools to help make things understandable reminds me of etcd-playground