The document discusses how data cannot be governed until it is modeled, but it cannot be modeled until it is explored by data analysts. It quotes Boris Evelson of Forrester Research stating "The data can't be governed until it is modeled, but it can't be modeled until it is explored [by data analysts]."
15. "The data can't be governed until it is modeled, but it can't be
modeled until it is explored [by data analysts]."
-Boris Evelson, Forrester Research