extended values cover books and conference papers too. The other values are limited to peer-reviewed articles only.
However, we never count abstracts, patents, working papers, or unpublished documents.
top superscripts indicate the percentile among 4.9 million authors. rank refers to the rank rounded to 1,000 (K) or 1,000,000 (M).
rankings refers to the number of categories in which the author has been ranked.