The H Index for Computer Science
web.cs.ucla.edu
web.cs.ucla.edu
the largest integer n such that one had cycled at least n miles on n different days.
It is painful in both cases because it's a measure of reliable work, not most overall impressive work. If you write 16 papers and 15 of them are cited 15 times and one is cited 2000 times, your h is still 15!