Announcement: Season 2019 opening
- Season 2019 of Challenge Data is opening soon ! Challenges of the new season will be presented at Collège de France, 11 Place Marcelin Berthelot, 75005 Paris, on Wednesdays 23 and 30 Jan. 2019, from 11:15am to 12:15pm. You are kindly invited to attend them.
- In the meantime you can still participate to old challenges but rankings are frozen.