Search Results for author: Jean-Francis Roy

Found 5 papers, 1 papers with code

SIGIR 2021 E-Commerce Workshop Data Challenge

3 code implementations19 Apr 2021 Jacopo Tagliabue, Ciro Greco, Jean-Francis Roy, Bingqing Yu, Patrick John Chia, Federico Bianchi, Giovanni Cassani

The 2021 SIGIR workshop on eCommerce is hosting the Coveo Data Challenge for "In-session prediction for purchase intent and recommendations".

Efficient Learning of Ensembles with QuadBoost

no code implementations8 Jun 2015 Louis Fortier-Dubois, François Laviolette, Mario Marchand, Louis-Emile Robitaille, Jean-Francis Roy

We first present a general risk bound for ensembles that depends on the Lp norm of the weighted combination of voters which can be selected from a continuous set.

On Generalizing the C-Bound to the Multiclass and Multi-label Settings

no code implementations13 Jan 2015 Francois Laviolette, Emilie Morvant, Liva Ralaivola, Jean-Francis Roy

The C-bound, introduced in Lacasse et al., gives a tight upper bound on the risk of a binary majority vote classifier.

On the Generalization of the C-Bound to Structured Output Ensemble Methods

no code implementations6 Aug 2014 François Laviolette, Emilie Morvant, Liva Ralaivola, Jean-Francis Roy

This paper generalizes an important result from the PAC-Bayesian literature for binary classification to the case of ensemble methods for structured outputs.

Binary Classification General Classification

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