A big improvement to our corresponding-author data

We’ve made a major, systematic improvement to how OpenAlex finds and assigns corresponding authors, and the corresponding institutions tied to them. On a hand-checked gold standard, precision rose from 0.60 to 0.92 while recall held nearly steady (0.91 to 0.88), lifting our F1 score from 0.72 to 0.90. We also added real corresponding authors to roughly 7 million works that were missing them. If…