A mean is a central tendency or location. Examples include arithmetic and geometric means.

The DIKW1 decomposition expresses a layering of context on top of raw observations.

I was alerted to a great discussion1 about unifying versus partitioning data models.

There are user facilities for scientific research. They were born out of the cost of doing “big science” with hardware that was increasingly resource-intensive, in terms of physical space, personnel time, and materials.