Globally, almost 16,000 scientific institutions participated in WRIR in 2015. All participating institutions were split to 10 categories according to their specialization. There were 3 levels of research quality: Level A (A to AAA) corresponds to "high quality research performance." Level B (B to BBB+) corresponds to "good quality research performance." Finally level C (C to CCC+) corresponds to "quality research performance." Only those institutions who received ranking from A to C were included in WRIR-2015.
More than 400 Russian scientific research centers participated in the ranking. Among them, 76 were estimated to correspond to Level A, 18 to Level AA, and 3 to Level AA+.
The European Scientific-Industrial Chamber highly appraised research performance quality of Zelinsky Institute of Organic Chemistry RAS. The Institute improved its previous year ranking and moved up from Level BBB+ to Level AA. It ranks first in the Chemistry and Material Science category among 56 Russian scientific institutions included in the ranking. Full list is available at Link.