Search Results for author: Sébastien Adam

Found 9 papers, 5 papers with code

Finding path and cycle counting formulae in graphs with Deep Reinforcement Learning

no code implementations2 Oct 2024 Jason Piquenot, Maxime Bérar, Pierre Héroux, Jean-Yves Ramel, Romain Raveaux, Sébastien Adam

This paper presents Grammar Reinforcement Learning (GRL), a reinforcement learning algorithm that uses Monte Carlo Tree Search (MCTS) and a transformer architecture that models a Pushdown Automaton (PDA) within a context-free grammar (CFG) framework.

Temporal receptive field in dynamic graph learning: A comprehensive analysis

1 code implementation17 Jul 2024 Yannis Karmim, Leshanshui Yang, Raphaël Fournier S'Niehotta, Clément Chatelain, Sébastien Adam, Nicolas Thome

Dynamic link prediction is a critical task in the analysis of evolving networks, with applications ranging from recommender systems to economic exchanges.

Benchmarking Dynamic Link Prediction +2

Dynamic Graph Representation Learning with Neural Networks: A Survey

no code implementations12 Apr 2023 Leshanshui Yang, Sébastien Adam, Clément Chatelain

In this research area, Dynamic Graph Neural Network (DGNN) has became the state of the art approach and plethora of models have been proposed in the very recent years.

Graph Learning Graph Neural Network +1

Technical report: Graph Neural Networks go Grammatical

no code implementations2 Mar 2023 Jason Piquenot, Aldo Moscatelli, Maxime Bérar, Pierre Héroux, Romain Raveaux, Jean-Yves Ramel, Sébastien Adam

This paper introduces a framework for formally establishing a connection between a portion of an algebraic language and a Graph Neural Network (GNN).

Graph Neural Network

Breaking the Limits of Message Passing Graph Neural Networks

2 code implementations8 Jun 2021 Muhammet Balcilar, Pierre Héroux, Benoit Gaüzère, Pascal Vasseur, Sébastien Adam, Paul Honeine

Since the Message Passing (Graph) Neural Networks (MPNNs) have a linear complexity with respect to the number of nodes when applied to sparse graphs, they have been widely implemented and still raise a lot of interest even though their theoretical expressive power is limited to the first order Weisfeiler-Lehman test (1-WL).

Analyzing the Expressive Power of Graph Neural Networks in a Spectral Perspective

1 code implementation ICLR 2021 Muhammet Balcilar, Guillaume Renton, Pierre Héroux, Benoit Gaüzère, Sébastien Adam, Paul Honeine

Since the graph isomorphism problem is NP-intermediate, and Weisfeiler-Lehman (WL) test can give sufficient but not enough evidence in polynomial time, the theoretical power of GNNs is usually evaluated by the equivalence of WL-test order, followed by an empirical analysis of the models on some reference inductive and transductive datasets.

Graph edit distance : a new binary linear programming formulation

no code implementations21 May 2015 Julien Lerouge, Zeina Abu-Aisheh, Romain Raveaux, Pierre Héroux, Sébastien Adam

Moreover, a relaxation of the domain constraints in the formulations provides efficient lower bound approximations of the GED.

Graph Matching

Deep Neural Networks Regularization for Structured Output Prediction

1 code implementation28 Apr 2015 Soufiane Belharbi, Romain Hérault, Clément Chatelain, Sébastien Adam

The motivation of this work is to learn the output dependencies that may lie in the output data in order to improve the prediction accuracy.

Facial Landmark Detection

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