What is quality in metadata?

The publishing industry regularly reinforces a belief that it's normal for end users to use data badly and that it's up to the rest of us to design our business communications around their limitations. It's an attitude that leads to benchmarking against minimal metadata support rather than maximizing a book's discovery potential. This quixotic presentation will try to change that attitude. The best data, the data that can drive diversity and discovery, will appear on far less than 10% of the entries in a data aggregation across a supply chain. The trick is many books, likely well over 30%, need the actionable support of one or two of those far-less-than-10% subtle data points. Don't believe it? What percentage of authors in the Canadian supply chain are Canadian? You're around 10% already. Now subdivide that group anyway you like...