@mastersthesis{EURECOM+6502, author = {Abbas, Nacira and Alghamdi, Kholoud and Alinam, Mortaza and Alloatti, Francesca and Amaral, Glenda and d\&\#039 and Amato, Claudia and Asprino, Luigi and and al.}, title = {Knowledge graphs evolution and preservation - A technical report from ISWS 2019}, year = {2020}, note = {© EURECOM. Personal use of this material is permitted. The definitive version of this paper was published in Submitted to ArXiV, 22 December 2020 and is available at :}, }