According to Google Scholar, the h-index for Bruce Croft is 95, James Allan is 62, and Andrew McCallum is 88.

In February 2017, according to Google Scholar, the h-index for Bruce Croft is 95, for James Allan is 62, and for Andrew McCallum is 88. This represents more than 108,000 citations to CIIR publications.

Based on his Google h-index (95), Dr. Croft is ranked 76th worldwide in the list of scientists in the area of computer science and electronics (www.guide2research.com/scientists/). In another ranking of the world’s top-cited research scholars from the fields of science and engineering, Bruce Croft is listed as #1 and James Allan is listed as #7 in information retrieval (4 of the top 10 are current or former CIIR researchers), and Andrew McCallum is listed as #5 in machine learning research (aminer.org/mostinfluentialscholar).