This document discusses measuring the efficiency of data centers. It mentions measuring data center efficiency and provides the names of Colin Pattinson and Roland Cross from Leeds Metropolitan University. It also notes an example where a grid reference was precise but not accurate, as it was about 74m away from the actual location near Thompson village in Norfolk.

1. Measuring Data Centre Efficiency Colin Pattinson, Roland Cross Leeds Metropolitan University

2. Measuring Data Centre Efficiency Colin Pattinson, Roland Cross Leeds Metropolitan University

5. OOPS! A perfect example of the difference between precision and accuracy. The grid reference … is precise to within 10m however its accuracy is somewhat limited! TL9137 9726 is near the village of Thompson in Norfolk. Even allowing for the typo on the sheet letters it would be about 74m out. If the sign had said “somewhere in Essex” it would have been accurate but not precise