
“mined” from unstructured data that already exists; this type will be covered in
Chapter 11. Other business metadata can be transformed from technical meta-
data: metadata that is translated from technical statistics or other representa-
tion into “business-speak” so that businesspeople can understand it. Chapter
7 will discuss the transformation of technical data into business metadata. But
the bulk of business metadata (the data that adds context to data) is floating
around in people’s heads. (See Figure 6.1.)
6.2.1 People Leaving
Average employee turnover is 12% per year. HR professionals know that the
cost of this employee turnover is extremely ...