Search Results for author: Ítalo Santana

Found 4 papers, 2 papers with code

Neural Networks for Local Search and Crossover in Vehicle Routing: A Possible Overkill?

no code implementations9 Sep 2022 Ítalo Santana, Andrea Lodi, Thibaut Vidal

Extensive research has been conducted, over recent years, on various ways of enhancing heuristic search for combinatorial optimization problems with machine learning algorithms.

Combinatorial Optimization

Support Vector Machines with the Hard-Margin Loss: Optimal Training via Combinatorial Benders' Cuts

1 code implementation15 Jul 2022 Ítalo Santana, Breno Serrano, Maximilian Schiffer, Thibaut Vidal

The classical hinge-loss support vector machines (SVMs) model is sensitive to outlier observations due to the unboundedness of its loss function.

PILS: Exploring high-order neighborhoods by pattern mining and injection

1 code implementation24 Dec 2019 Florian Arnold, Ítalo Santana, Kenneth Sörensen, Thibaut Vidal

During the local search, each pattern is used to define one move in which 1) incompatible edges are disconnected, 2) the edges defined by the pattern are reconnected, and 3) the remaining solution fragments are optimally reconnected.

Vocal Bursts Intensity Prediction

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