Authors are invited to submit abstracts or full papers for a double blind peer review process (https://www.conftool.com/gsw2019).The papers should be prepared according to the ISPRS guidelines for preparing manuscripts (http://www.isprs.org/documents/orangebook/app5.aspx) and should not exceed 8 pages in length. Accepted papers will appear as a Volume of the Archives (abstract submission) or a Volume of the Annals (full paper submission) of Photogrammetry, Remote Sensing and the Spatial Information Sciences. Preference for oral presentations will be given to Annals papers.MDPI will sponsor a best paper award (certificate plus €400.-).