What do A pos and C pos mean?
The # column is the rank of each listed entry for Chemnitz University of Technology — rank 1 means this entry is where Chemnitz University of Technology has the most articles or citations. A pos and C pos show the reciprocal: the position of Chemnitz University of Technology within that entry's own ranked list, by articles and citations respectively. A low value means Chemnitz University of Technology is among the most prominent contributors for that entry.