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cs.LG2022
Improving Graph Neural Networks at Scale: Combining Approximate PageRank and CoreRank
Ariel R. Ramos Vela, Johannes F. Lutzeyer, Anastasios Giovanidis +1
Graph Neural Networks (GNNs) have achieved great successes in many learning tasks performed on graph structures. Nonetheless, to propagate information GNNs rely on a message passin…
cs.LG2022
SlateFree: a Model-Free Decomposition for Reinforcement Learning with Slate Actions
Anastasios Giovanidis
We consider the problem of sequential recommendations, where at each step an agent proposes some slate of distinct items to a user from a much larger catalog of size . Th…