Simou, EffrosyniFrossard, Pascal2019-02-272019-02-272019-02-27201910.1109/ICASSP.2019.8683335https://infoscience.epfl.ch/handle/20.500.14299/154815WOS:000482554005124Graph Signal Representation with Wasserstein Barycenterstext::conference output::conference proceedings::conference paper