Ahmed El Amine Djebri Andrea G. B. Tettamanzi Fabien Gandon Publishing Uncertainty on the Semantic Web: Blurring the LOD Bubbles. 42-56 2019 ICCS https://doi.org/10.1007/978-3-030-23182-8_4 conf/iccs/2019 db/conf/iccs/iccs2019.html#DjebriTG19