Building an accurate Wikipedia biography for a statistician with a common name

The challenge

Jiahua Chen is a professor of statistics at the University of British Columbia. He held a Tier I Canada Research Chair from 2007 to 2020, is a fellow of several academic societies and received the Statistical Society of Canada's Gold Medal. On paper he is a clear case for a Wikipedia article.

Two things made it hard. His name is shared with other researchers, including some in his own field, so every source had to be checked to confirm it was about him and not a namesake. And most of what has been written about his research was written by him: Wikipedia will not accept a subject's own papers as the basis of an article.

Our strategy

We began by verifying authorship of every candidate source against collaborators, field and ORCID record, discarding anything that could belong to another Jiahua Chen.

We then set a rule for the research section: cite nothing he wrote himself. Biographical facts came from the Gold Medal citation, the Royal Society of Canada profile and official records of the organisations he has served.

Execution

The article covers his early life and career milestones, his confirmed editorial roles and doctoral record, and a research section built entirely from secondary literature: textbooks and review papers that discuss his work on finite mixture models, the extended Bayesian information criterion and imputation in survey sampling.

Every claim is tied to a source that names him in its running text, not merely in a reference list.

Results

The published article carries 20 references, none of them to Chen's own papers, and covers education, career, service, research and fellowships. It was submitted through our disclosed account and went live on 22 July 2026, three weeks after the project began.

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