collaborators

7 papers

math.OC2025

A Quantum Model for Constrained Markowitz Modern Portfolio Using Slack Variables to Process Mixed-Binary Optimization under QAOA

Pablo Thomassin, Guillaume Guerard, Sonia Djebali +1

Effectively encoding inequality constraints is a primary obstacle in applying quantum algorithms to financial optimization. A quantum model for Markowitz portfolio optimization is…

math.OC2025

A Context-Free Smart Grid Model Using Complex System Approach

Soufian Ben Amor, Alain Bui, Guillaume Guerard

Energy and pollution are urging problems of the 21th century. By gradually changing the actual power grid system, smart grid may evolve into different systems by means of size, ele…

cs.LG2025

PretopoMD: Pretopology-based Mixed Data Hierarchical Clustering

Loup-Noe Levy, Guillaume Guerard, Sonia Djebali +1

This article presents a novel pretopology-based algorithm designed to address the challenges of clustering mixed data without the need for dimensionality reduction. Leveraging Disj…

cs.LG2025

Mixed Data Clustering Survey and Challenges

Guillaume Guerard, Sonia Djebali

The advent of the big data paradigm has transformed how industries manage and analyze information, ushering in an era of unprecedented data volume, velocity, and variety. Within th…

cs.LG2025

Hierarchical clustering of complex energy systems using pretopology

Loup-Noe Levy, Jeremie Bosom, Guillaume Guerard +3

This article attempts answering the following problematic: How to model and classify energy consumption profiles over a large distributed territory to optimize the management of bu…

cs.LG2025

Hidden markov model to predict tourists visited place

Theo Demessance, Chongke Bi, Sonia Djebali +1

Nowadays, social networks are becoming a popular way of analyzing tourist behavior, thanks to the digital traces left by travelers during their stays on these networks. The massive…