Conference Corpus Query OPENRESEARCH conference durations

# count(*) duration
1 1 -43
2 2 -9
3 1 -7
4 1 -3
5 1 -2
6 2 -1
7 2 0
8 8936 1
9 14 2
10 1 3
11 1 11
12 1 17
13 1 46
14 2 48