2nd OPTICS2 Workshop: DATA SCIENCE for AVIATION SAFETY The OPTICS2 2nd Workshop on Data Science for Aviation Safety took place on the 12th of October 2018 at EASA (Cologne), following the Data Science in Aviation Workshop (11th of October, EASA Cologne). The OPTICS2 Workshop offered exclusive speeches and group activities aimed at identifying the most promising Data Science research avenues for triggering effective [...]