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Grammar Related Visualization:

How can you look at a recognition result and immediately see the structure, tokens and relative confidence values? This way of looking at a parse is effortless.

How can you browse a complex grammar and not get lost in a tangled diagram? What's optional, or contains more detail, or is a selection, or ...?

How do you think about what has been said recently in a conversation? Humans use recent utterances to great advantage. Here we can see the tokens, corresponding literals, confidence, and historical distance at a glance.