Mohammad H. VahidniaHossein Vahidi2025-05-142025-05-142021jz000145-0024https://tustorage.ulb.tu-darmstadt.de/handle/tustorage/19882550Open Community-Based Crowdsourcing Geoportal for Earth Observation Products: A Model Design and Prototype ImplementationArticlehttps://doi.org/10.3390/ijgi10010024