The conference proceedings is published at EarthDOC.org
Geoinformatics 2021 conference proceedings (Kyiv, Ukraine, 11-14 May 2021) has ISBN 9789462823815
The conference proceedings after publishing on EarthDoc will be sent to Scopus for indexing. Please keep in mind, that the indexing process can take normally from 6 to 18 months.
Also you can Download Conference Proceedings CD.
Here is video from Opening Session and Conference summary.