A call for contribution to the 3rd Conference on Geometric Science of Information that I was asked to advertise. (I would have used Sciences instead of Science.) With a nice background picture related to Adelard de Bath, who among other things in natural philosophy introduced the Hindu-Arabic numerals in Europe [and later to America, even though the use of Arabic numerals there may soon come to an end]. And which Latin translation of Euclid’s Elements includes the above picture. The conference is on November 7-9, 2017, in the centre of Paris (Écoles de Mines, next to Luxembourg). (As I cannot spot the registration rates of that conference on the website, I cannot at this stage bring full support to the conference!)