Unexpectable Information Gain
The gain that appears when the search space itself changes.
Beyond expected uncertainty reduction
Expected Information Gain improves the next move inside a known frame. Unexpectable Information Gain appears when a question, anomaly or collision of fields changes the frame.
This is where naive questioning becomes valuable. The question is not childish. It is a precise disturbance of expert automaticity.
Laboratory image
A clean laboratory can be designed around known variables. Then two elements react in a way the model did not anticipate. The measurement was not the problem. The search space was too small.
Public layer only
The full generation logic is not public. The page explains the concept enough to mark the category and invite executive work. It does not disclose the operating procedure.
Commission an Executive Information Gains Analysis.
For founders, boards, investors, R&D leaders and market builders who need to identify the next retrieval field before the market names it.