Soutenance HDR (Habilitation à Diriger des Recherches) de Alexandru OLTEANU

Soutenance HDR (Habilitation à Diriger des Recherches) de Alexandru OLTEANU

🎙 Alexandru Olteanu 👥 46K 📅 December 4, 2025 ⏱ 47 min 👁 496 📄 expert opinion 🧭 2026-08-15
Available in: English (current) Français

Keywords

recherche opérationnelleoptimisation combinatoireaide multicritère à la décisionordonnancementréseaux de capteurs

Summary

The video is the recording of Alexandru Olteanu’s Habilitation à Diriger des Recherches (HDR) defense, held at Université Bretagne Sud. The presentation summarizes over ten years of research in decision support, focusing on building solutions for industrial problems and integrating preferences when decisions involve multiple conflicting criteria. Olteanu begins with his academic background, including his engineering studies in Romania, a mobility in Ireland, and a PhD in computer science at the University of Luxembourg, followed by postdoctoral positions in France. He then details his teaching activities, mainly in operations research, scheduling, and multi-criteria decision aid. His research contributions are structured into three main themes: (1) configuration and deployment of multistatic sonar networks for underwater surveillance, where he developed MILP and heuristic approaches to maximize coverage; (2) scheduling in flexible job shops with multiple resources, where he proposed a new graph-based model to handle partially necessary resources and developed metaheuristics for single and multi-objective optimization; and (3) learning preference models from decision-makers, including algorithms and protocols to elicit preferences and integrate them into optimization. He also discusses his supervision of PhD students and postdocs, his publications, and his involvement in academic service. The presentation concludes with perspectives for future research, including the integration of quantum computing. The defense is followed by a question-and-answer session with the jury members.

217 words

Critical Evaluation

Value of the Information & Strength of the Argument

The presentation provides a comprehensive overview of the candidate’s research contributions, demonstrating a strong command of operations research and decision support methodologies. The argumentation is solid, as each research theme is motivated by real-world industrial problems and supported by published work. The candidate effectively explains the novelty of his approaches, such as the graph-based model for flexible job shop scheduling and the integration of preference models into optimization. However, the presentation is high-level and lacks detailed technical depth, which is expected in a defense setting. The value lies in the breadth of applications and the clear articulation of how the research addresses practical challenges.

Scientific Rigor, Source Quality, Title Accuracy

The scientific rigor is evident from the candidate’s publication record and the involvement of a jury of experts. The sources cited are primarily the candidate’s own publications and collaborations, which are appropriate for a defense. The title accurately reflects the content, focusing on decision-making from solution construction to preference integration. The presentation is well-structured and follows a logical flow, but it does not provide detailed citations or references to external literature, which is typical for a presentation. The adequacy between title and content is high, as the presentation covers both the construction of solutions and the integration of preferences.

218 words

Title / Content Match

The title accurately reflects the content, which is a defense of the candidate's research for the Habilitation à Diriger des Recherches.

Quality & Reliability

7/10

The presentation is a formal academic defense (HDR) by a researcher with a solid publication record. The content is based on peer-reviewed research and collaborations, but as a presentation, it lacks the depth of a written manuscript. The speaker is an expert in the field, and the work is grounded in established methodologies.

Key Moments

Contribution & Novelties

The presentation showcases the candidate’s original contributions to decision support, particularly in the areas of multistatic sonar network deployment, flexible job shop scheduling, and preference learning. The novelty lies in the development of new models and algorithms that address practical industrial constraints, such as heterogeneous sensors and partially necessary resources. The integration of preference models into optimization is a significant contribution, as it bridges the gap between multi-objective optimization and decision-maker preferences.

Pour aller plus loin :

  • Multi-criteria decision analysis — Provides an overview of the field that underpins the candidate’s work on preference modeling.
  • Job shop scheduling — Relevant to the scheduling problems discussed, including flexible job shop variants.
  • Metaheuristic — The candidate uses metaheuristics extensively; this page explains the concept and common algorithms.

125 words

Radar Profile

The radar profile shows balanced scores across all dimensions, indicating a well-rounded presentation with solid information content, technical depth, and reliability. The slightly lower score in 'quantite_information' reflects the high-level nature of the talk, while 'qualite_information' and 'fiabilite_globale' are strong due to the academic context.

Reliability 7/10