Topio Marketplace: Search and Discovery of Geospatial Data. - Andra Ionescu; Alexandra Alexandridou; Leonidas Ikonomou; Kyriakos Psarakis; Kostas Patroumpas; Georgios Chatzigeorgakidis; Dimitrios Skoutas 001; Spiros Athanasiou; Rihan Hai 001; Asterios Katsifodimos (EDBT, 2023)