activity
20092023
most citedOptimal Geographic Caching In Cellular Networks

471 citations · 799 across the 31 of their papers we have counts for

collaborators

31 papers

quant-ph2023★ 7 cited

A Linear Algebraic Framework for Dynamic Scheduling Over Memory-Equipped Quantum Networks

Paolo Fittipaldi, Anastasios Giovanidis, Frédéric Grosshans

Quantum Internetworking is a recent field that promises numerous interesting applications, many of which require the distribution of entanglement between arbitrary pairs of users.…

cs.SI2023

Constrained Expectation-Maximisation for inference of social graphs explaining online user-user interactions

Effrosyni Papanastasiou, Anastasios Giovanidis

Current network inference algorithms fail to generate graphs with edges that can explain whole sequences of node interactions in a given dataset or trace. To quantify how well an i…

cs.SI2022★ 9 cited

Optimal Influencer Marketing Campaign Under Budget Constraints Using Frank-Wolfe

Ricardo Lopez-Dawn, Anastasios Giovanidis

Influencer marketing has become a thriving industry with a global market value expected to reach 15 billion dollars by 2022. The advertising problem that such agencies face is the…

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…

cs.SI2022★ 7 cited

Opening up echo chambers via optimal content recommendation

Antoine Vendeville, Anastasios Giovanidis, Effrosyni Papanastasiou +1

Online social platforms have become central in the political debate. In this context, the existence of echo chambers is a problem of primary relevance. These clusters of like-minde…