For node level graph encoding, a recent important state-of-art method is the graph convolutional networks (GCN), which nicely integrate local vertex features and graph topology in the spectral domain.

STEFAN GÜTTEL, GEORGES KLEIN, CONVERGENCE OF LINEAR BARYCENTRIC RATIONAL INTERPOLATION FOR ANALYTIC FUNCTIONS, SIAM Journal on Numerical Analysis, Vol. 50, No. 5 (2012), pp. 2560-2580. ... We ...

In this article, we present two algorithms for identification of continuous-time linear time-invariant systems in frequency domain. These algorithms are constructed in terms of continuous rational ...