Krzysztof Walczak, PhD, and Jakub Flotyński, PhD, received an invitation to organize a Workshop "Semantic 3D" as part of the conference The 40th Annual Conference of the European Association for Computer Graphics EUROGRPHICS 2019 EG 2019. The conference will be held in Genoa from May 6 to May 10, 2019, The main organizer of EG 2019 is IMATI CNR - Istituto di Matematica Applicata e Tecnologie Informatiche, Consiglio Nazionale delle Ricerche.