The graph shows the number of articles contributing to the current h-index of Zhongping Duan.
What are extended values?
The database is not yet complete for disciplines relying on conferences and books.
extended values cover more materials other than journal articles but not exhaustive. 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However, we never count abstracts, patents, working papers, or unpublished documents.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.
The institutions represents the author's most used affiliation, not necessarily the current affiliation