Search Results for author: Bissan Ghaddar

Found 6 papers, 1 papers with code

Artificial Intelligence for Operations Research: Revolutionizing the Operations Research Process

no code implementations6 Jan 2024 Zhenan Fan, Bissan Ghaddar, Xinglu Wang, Linzi Xing, Yong Zhang, Zirui Zhou

The rapid advancement of artificial intelligence (AI) techniques has opened up new opportunities to revolutionize various fields, including operations research (OR).

Decision Making Model Optimization

NL4Opt Competition: Formulating Optimization Problems Based on Their Natural Language Descriptions

1 code implementation14 Mar 2023 Rindranirina Ramamonjison, Timothy T. Yu, Raymond Li, Haley Li, Giuseppe Carenini, Bissan Ghaddar, Shiqi He, Mahdi Mostajabdaveh, Amin Banitalebi-Dehkordi, Zirui Zhou, Yong Zhang

The Natural Language for Optimization (NL4Opt) Competition was created to investigate methods of extracting the meaning and formulation of an optimization problem based on its text description.

Language Modelling Large Language Model

Polynomial Optimization: Enhancing RLT relaxations with Conic Constraints

no code implementations11 Aug 2022 Brais González-Rodríguez, Raúl Alvite-Pazó, Samuel Alvite-Pazó, Bissan Ghaddar, Julio González-Díaz

In this research, we investigate the strengthening of RLT relaxations of polynomial optimization problems through the addition of nine different types of constraints that are based on linear, second-order cone, and semidefinite programming to solve to optimality the instances of well established test sets of polynomial optimization problems.

Learning for Spatial Branching: An Algorithm Selection Approach

no code implementations22 Apr 2022 Bissan Ghaddar, Ignacio Gómez-Casares, Julio González-Díaz, Brais González-Rodríguez, Beatriz Pateiro-López, Sofía Rodríguez-Ballesteros

The use of machine learning techniques to improve the performance of branch-and-bound optimization algorithms is a very active area in the context of mixed integer linear problems, but little has been done for non-linear optimization.

Deep Reinforcement Learning for Electric Vehicle Routing Problem with Time Windows

no code implementations5 Oct 2020 Bo Lin, Bissan Ghaddar, Jatin Nathwani

The past decade has seen a rapid penetration of electric vehicles (EV) in the market, more and more logistics and transportation companies start to deploy EVs for service provision.

Graph Embedding reinforcement-learning +1

Optimization Problems for Machine Learning: A Survey

no code implementations16 Jan 2019 Claudio Gambella, Bissan Ghaddar, Joe Naoum-Sawaya

This paper surveys the machine learning literature and presents in an optimization framework several commonly used machine learning approaches.

BIG-bench Machine Learning Clustering +2

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