Research interest:
- Linear Programming (Modelling and solving)
- Constraints Programming (Modeling, search, global constraints)
- Pattern mining (itemset mining, interval pattern mining, pattern set mining)
- Metaheuristics (Local search, search strategies, hybridization, parallelism)
An overview about my current research:
I am working on new approaches to carry Data Mining (DM) tasks such as clustering under constraints, where
a user can use additional knowledge to guide the search process. This field requires the development of hybrid
methods ranging from Operation Research (OR), Constraints Programming (CP), and dedicated DM methods.
I am also working on the development of new variants for the Variable Neighborhood Search (VNS) method to
solve Weighted Constraint Satisfaction Problems (WCSP). I am interested in the design of parallel hybrid methods
which combine local and complete search while maintaining a tradeoff between time and quality.
Selected list of publications:
- A. Ouali et al, Variable neighborhood search for graphical model energy minimization, Artificial
Intelligence Journal, 2020.
- A. Ouali et al, Integer Linear Programming for Pattern Set Mining; with an Application to Tiling, PAKDD
2017, South Korea.
- A. Ouali, S. Loudni, Y. Lebbah, P. Boizumault, A. Zimmermann, and L. Loukil. Efficiently Finding
Conceptual Clustering Models with Integer Linear Programming. IJCAI 2016, USA.
Participations to International Program Committees:
- AAAI (Conference on Artificial Intelligence): 2021, 2023, 2024
- IJCAI (International Joint Conference on Artificial Intelligence): 2020, 2023.
- ECAI (European Conference on Artificial Intelligence): 2023.
- ECML-PKDD (European Conference on Machine Learning and Principles and Practice of Knowledge Discovery in
Databases) 2022, 2023.
Participations to Program Committees of National Conferences:
- JFPC (Journées Francophones de Programmation par Contraintes): 2021->2023.
- CSA (Computing Systems and Applications): 2024.
- RJCIA (Rencontres des Jeunes Chercheurs en Intelligence Artificielle): 2019.