Every domain is changing. And every domain’s vocabulary of descriptive metadata should, naturally, change as well, but all too typically it lags behind. This is especially true in dynamic, rapidly changing domains, especially those related to technology or the hard sciences. It’s simply difficult and expensive to keep up. Fortunately, SSA offers a variety of approaches to help you evaluate and maintain metadata values, which fall into three categories:
Testing terms using the “query test.”
Deriving terms through “reverse lookup.”
Tracking appearances, disappearances, and trends among terms.
You can test your metadata by treating them as queries and, well, trying ...