Slim Bechikh - RankMe

107 papers A* 1A 5B 24C 5Misc 2Journal 49Unranked 16

Year	Rank	Type	Title / Venue / Authors
2026	J	`jnl`	A decuple crossover scheme in genetic algorithms: a step toward deep evolution. Evol. Intell. Hana Derouiche, Maha Elarbi, Slim Bechikh
2025	—	`conf`	Adaptive Normal-Boundary Intersection Directions for Evolutionary Many-Objective Optimization with Complex Pareto Fronts. EMO (1) Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello
2025	J	`jnl`	Bi-level Evolutionary Model Tree Chain Induction for Multi-output Regression. Neurocomputing Safa Mahouachi, Maha Elarbi, Slim Bechikh
2025	B	`conf`	Cross-Project Code Smell Detection as a Dynamic Optimization Problem: An Evolutionary Memetic Approach. CEC Sofien Boutaib, Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello, Lamjed Ben Said
2025	J	`jnl`	Deep crossover schemes for genetic algorithms: Investigations on the travel salesman problem. Swarm Evol. Comput. Hana Derouiche, Maha Elarbi, Slim Bechikh
2025	J	`jnl`	Evolutionary optimization of the area under precision-recall curve for classifying imbalanced multi-class data. J. Heuristics Marwa Chabbouh, Slim Bechikh, Efrén Mezura-Montes, Lamjed Ben Said
2024	B	`conf`	A Bi-Level Evolutionary Model Tree Induction Approach for Regression. CEC Safa Mahouachi, Maha Elarbi, Khaled Sethom, Slim Bechikh, Carlos A. Coello Coello
2024	—	`conf`	A Self-learning Particle Swarm Optimization Algorithm for Dynamic Job Shop Scheduling Problem with New Jobs Insertion. ICSI (1) Kaouther Ben Ali, Hassen Louati, Slim Bechikh
2024	J	`jnl`	Cognitively Inspired Three-Way Decision Making and Bi-Level Evolutionary Optimization for Mobile Cybersecurity Threats Detection: A Case Study on Android Malware. Cogn. Comput. Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2024	J	`jnl`	Dynamic Job Shop Scheduling Problem With New Job Arrivals Using Hybrid Genetic Algorithm. IEEE Access Kaouther Ben Ali, Slim Bechikh, Ali Louati, Hassen Louati, Elham Kariri
2024	J	`jnl`	Joint filter and channel pruning of convolutional neural networks as a bi-level optimization problem. Memetic Comput. Hassen Louati, Ali Louati, Slim Bechikh, Elham Kariri
2024	J	`jnl`	Many-objective optimization of wireless sensor network deployment. Evol. Intell. Omar Ben Amor, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2023	B	`conf`	A Hybrid Evolutionary Approach with Group-Based Solution Encoding for Solving the Constrained Bilevel Multi-Depot Vehicle Routing Problem. CEC Rocío Salinas-Guerra, Efrén Mezura-Montes, Marcela Quiroz-Castellanos, Jesús-Adolfo Mejía-de-Dios, Slim Bechikh
2023	J	`jnl`	Discretization-Based Feature Selection as a Bilevel Optimization Problem. IEEE Trans. Evol. Comput. Rihab Said, Maha Elarbi, Slim Bechikh, Carlos Artemio Coello Coello, Lamjed Ben Said
2023	J	`jnl`	Embedding channel pruning within the CNN architecture design using a bi-level evolutionary approach. J. Supercomput. Hassen Louati, Ali Louati, Slim Bechikh, Elham Kariri
2023	J	`jnl`	Imbalanced multi-label data classification as a bi-level optimization problem: application to miRNA-related diseases diagnosis. Neural Comput. Appl. Marwa Chabbouh, Slim Bechikh, Efrén Mezura-Montes, Lamjed Ben Said
2023	B	`conf`	Immune-Based System to Enhance Malware Detection. CEC Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2023	—	`conf`	Optimizing Deep Learning for Computer-Aided Diagnosis of Lung Diseases: An Automated Method Combining Evolutionary Algorithm and Transfer Learning. ICCCI (CCIS Volume) Hassen Louati, Ali Louati, Elham Kariri, Slim Bechikh
2023	B	`conf`	Solving the Discretization-based Feature Construction Problem using Bi-level Evolutionary Optimization. CEC Rihab Said, Slim Bechikh, Carlos A. Coello Coello, Lamjed Ben Said
2022	—	`conf`	A bi-level evolutionary approach for the multi-label detection of smelly classes. GECCO Companion Sofien Boutaib, Maha Elarbi, Slim Bechikh, Fabio Palomba, Lamjed Ben Said
2022	J	`jnl`	An Evolutionary Multi-objective Approach for Coordinating Supplier-Producer Conflict in Lot Sizing. Int. J. Inf. Technol. Decis. Mak. Maha Elarbi, Chaima Elwadi, Slim Bechikh, Zied Bahroun, Lamjed Ben Said
2022	J	`jnl`	Android malware detection as a Bi-level problem. Comput. Secur. Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2022	—	`conf`	Cost-sensitive classification tree induction as a bi-level optimization problem. GECCO Companion Rihab Said, Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello, Lamjed Ben Said
2022	B	`conf`	Design and Compression Study for Convolutional Neural Networks Based on Evolutionary Optimization for Thoracic X-Ray Image Classification. ICCCI Hassen Louati, Ali Louati, Slim Bechikh, Lamjed Ben Said
2022	C	`conf`	Evolutionary Optimization for CNN Compression Using Thoracic X-Ray Image Classification. IEA/AIE Hassen Louati, Slim Bechikh, Ali Louati, Abdulaziz Aldaej, Lamjed Ben Said
2022	J	`jnl`	Handling uncertainty in SBSE: a possibilistic evolutionary approach for code smells detection. Empir. Softw. Eng. Sofien Boutaib, Maha Elarbi, Slim Bechikh, Fabio Palomba, Lamjed Ben Said
2022	B	`conf`	Interval-based Cost-sensitive Classification Tree Induction as a Bi-level Optimization Problem. CEC Rihab Said, Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello, Lamjed Ben Said
2022	J	`jnl`	Joint design and compression of convolutional neural networks as a Bi-level optimization problem. Neural Comput. Appl. Hassen Louati, Slim Bechikh, Ali Louati, Abdulaziz Aldaej, Lamjed Ben Said
2022	C	`conf`	Malware Evolution and Detection Based on the Variable Precision Rough Set Model. FedCSIS Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2022	J	`jnl`	Solving combinatorial bi-level optimization problems using multiple populations and migration schemes. Oper. Res. Rihab Said, Maha Elarbi, Slim Bechikh, Lamjed Ben Said
2022	J	`jnl`	Topology optimization search of deep convolution neural networks for CT and X-ray image classification. BMC Medical Imaging Hassen Louati, Ali Louati, Slim Bechikh, Fatma Masmoudi, Abdulaziz Aldaej, Elham Kariri
2022	J	`jnl`	Uncertainty-wise software anti-patterns detection: A possibilistic evolutionary machine learning approach. Appl. Soft Comput. Sofien Boutaib, Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello, Lamjed Ben Said
2021	C	`conf`	A Possibilistic Evolutionary Approach to Handle the Uncertainty of Software Metrics Thresholds in Code Smells Detection. QRS Sofien Boutaib, Maha Elarbi, Slim Bechikh, Fabio Palomba, Lamjed Ben Said
2021	J	`jnl`	Code smell detection and identification in imbalanced environments. Expert Syst. Appl. Sofien Boutaib, Slim Bechikh, Fabio Palomba, Maha Elarbi, Mohamed Makhlouf, Lamjed Ben Said
2021	A	`conf`	Dealing with Label Uncertainty in Web Service Anti-patterns Detection using a Possibilistic Evolutionary Approach. ICWS Sofien Boutaib, Maha Elarbi, Slim Bechikh, Mohamed Makhlouf, Lamjed Ben Said
2021	J	`jnl`	Deep convolutional neural network architecture design as a bi-level optimization problem. Neurocomputing Hassen Louati, Slim Bechikh, Ali Louati, Chih-Cheng Hung, Lamjed Ben Said
2021	—	`conf`	Evolutionary Optimization of Convolutional Neural Network Architecture Design for Thoracic X-Ray Image Classification. IEA/AIE (1) Hassen Louati, Slim Bechikh, Ali Louati, Abdulaziz Aldaej, Lamjed Ben Said
2021	J	`jnl`	Evolutionary multi-objective optimisation: a bibliometric study. Int. J. Math. Oper. Res. Mohamed Amine Abdeljaouad, Zied Bahroun, Slim Bechikh
2021	—	`conf`	Malware Detection Using Rough Set Based Evolutionary Optimization. ICONIP (5) Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2021	J	`jnl`	On the importance of isolated infeasible solutions in the many-objective constrained NSGA-III. Knowl. Based Syst. Maha Elarbi, Slim Bechikh, Lamjed Ben Said
2021	B	`conf`	Software Anti-patterns Detection Under Uncertainty Using a Possibilistic Evolutionary Approach. EuroGP Sofien Boutaib, Maha Elarbi, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2020	J	`jnl`	A co-evolutionary hybrid decomposition-based algorithm for bi-level combinatorial optimization problems. Soft Comput. Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2020	J	`jnl`	Approximating Complex Pareto Fronts With Predefined Normal-Boundary Intersection Directions. IEEE Trans. Evol. Comput. Maha Elarbi, Slim Bechikh, Carlos A. Coello Coello, Mohamed Makhlouf, Lamjed Ben Said
2020	B	`conf`	Class Dependent Feature Construction as a Bi-level optimization Problem. CEC Marwa Hammami, Slim Bechikh, Mohamed Makhlouf, Chih-Cheng Hung, Lamjed Ben Said
2020	—	`conf`	Class-Dependent Weighted Feature Selection as a Bi-Level Optimization Problem. ICONIP (5) Marwa Hammami, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2020	J	`jnl`	Feature construction as a bi-level optimization problem. Neural Comput. Appl. Marwa Hammami, Slim Bechikh, Ali Louati, Mohamed Makhlouf, Lamjed Ben Said
2020	—	`conf`	Handling uncertainty in code smells detection using a possibilistic SBSE approach. GECCO Companion Sofien Boutaib, Slim Bechikh, Carlos A. Coello Coello, Chih-Cheng Hung, Lamjed Ben Said
2020	J	`jnl`	Many-Objective Software Remodularization using NSGA-III. CoRR Mohamed Wiem Mkaouer, Marouane Kessentini, Adnan Shaout, Patrice Koligheu, Slim Bechikh, Kalyanmoy Deb, Ali Ouni
2020	J	`jnl`	Multi-Agent Cooperation for an Active Perception Based on Driving Behavior: Application in a Car-Following Behavior. Appl. Artif. Intell. Anouer Bennajeh, Slim Bechikh, Lamjed Ben Said, Samir Aknine
2020	J	`jnl`	On the use of artificial malicious patterns for android malware detection. Comput. Secur. Manel Jerbi, Zaineb Chelly Dagdia, Slim Bechikh, Lamjed Ben Said
2020	J	`jnl`	Solving Combinatorial Multi-Objective Bi-Level Optimization Problems Using Multiple Populations and Migration Schemes. IEEE Access Rihab Said, Slim Bechikh, Ali Louati, Abdulaziz Aldaej, Lamjed Ben Said
2019	C	`conf`	A Constrained Box Algorithm for Imbalanced Data in Satellite Images. IGARSS Wajira Abeysinghe, Michael Wong, Chih-Cheng Hung, Slim Bechikh
2019	B	`conf`	A Hybrid Evolutionary Algorithm with Heuristic Mutation for Multi-objective Bi-clustering. CEC Slim Bechikh, Maha Elarbi, Chih-Cheng Hung, Sabrine Hamdi, Lamjed Ben Said
2019	J	`jnl`	A Multi-objective hybrid filter-wrapper evolutionary approach for feature selection. Memetic Comput. Marwa Hammami, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2019	J	`jnl`	Bi-level Decision-making Modeling for an Autonomous Driver Agent: Application in the Car-following Driving Behavior. Appl. Artif. Intell. Anouer Bennajeh, Slim Bechikh, Lamjed Ben Said, Samir Aknine
2019	J	`jnl`	Multi-objective evolution of oblique decision trees for imbalanced data binary classification. Swarm Evol. Comput. Marwa Chabbouh, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2019	B	`conf`	Weighted-Features Construction as a Bi-level Problem. CEC Marwa Hammami, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2018	J	`jnl`	A Fuzzy Logic-Based Anticipation Car-Following Model. Trans. Comput. Collect. Intell. Anouer Bennajeh, Slim Bechikh, Lamjed Ben Said, Samir Aknine
2018	B	`conf`	A Multi-Objective Hybrid Filter-Wrapper Evolutionary Approach for Feature Construction on High-Dimensional Data. CEC Marwa Hammami, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2018	J	`jnl`	A New Decomposition-Based NSGA-II for Many-Objective Optimization. IEEE Trans. Syst. Man Cybern. Syst. Maha Elarbi, Slim Bechikh, Abhishek Gupta, Lamjed Ben Said, Yew-Soon Ong
2018	J	`jnl`	A new co-evolutionary decomposition-based algorithm for bi-level combinatorial optimization. Appl. Intell. Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2018	J	`jnl`	Advances in Evolutionary Multi-objective Optimization. Swarm Evol. Comput. Slim Bechikh, Carlos Artemio Coello Coello
2018	—	`conf`	Clustering algorithms on imbalanced data using the SMOTE technique for image segmentation. RACS Wajira Abeysinghe, Chih-Cheng Hung, Slim Bechikh, Xiaosong Wang, Altaf Rattani
2018	J	`jnl`	Handling time-varying constraints and objectives in dynamic evolutionary multi-objective optimization. Swarm Evol. Comput. Radhia Azzouz, Slim Bechikh, Lamjed Ben Said, Walid Trabelsi
2017	B	`conf`	A Co-evolutionary Decomposition-based Chemical Reaction Algorithm for Bi-level Combinatorial Optimization Problems. KES Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2017	J	`jnl`	A dynamic multi-objective evolutionary algorithm using a change severity-based adaptive population management strategy. Soft Comput. Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2017	—	`conf`	Bi-MOCK: A Multi-objective Evolutionary Algorithm for Bi-clustering with Automatic Determination of the Number of Bi-clusters. ICONIP (4) Meriem Bousselmi, Slim Bechikh, Chih-Cheng Hung, Lamjed Ben Said
2017	—	`ch.`	Dynamic Multi-objective Optimization Using Evolutionary Algorithms: A Survey. Recent Advances in Evolutionary Multi-objective Optimization Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2017	—	`ch.`	Many-objective Optimization Using Evolutionary Algorithms: A Survey. Recent Advances in Evolutionary Multi-objective Optimization Slim Bechikh, Maha Elarbi, Lamjed Ben Said
2017	—	`ch.`	Multi-objective Optimization: Classical and Evolutionary Approaches. Recent Advances in Evolutionary Multi-objective Optimization Maha Elarbi, Slim Bechikh, Lamjed Ben Said, Rituparna Datta
2017	A	`conf`	On the importance of isolated solutions in constrained decomposition-based many-objective optimization. GECCO Maha Elarbi, Slim Bechikh, Lamjed Ben Said
2017	—	`ch.`	Practical Applications in Constrained Evolutionary Multi-objective Optimization. Recent Advances in Evolutionary Multi-objective Optimization Arun Kumar Sharma, Rituparna Datta, Maha Elarbi, Bishakh Bhattacharya, Slim Bechikh
2017	—	`book`	Recent Advances in Evolutionary Multi-objective Optimization Slim Bechikh, Rituparna Datta, Abhishek Gupta
2016	B	`conf`	A memetic evolutionary algorithm for bi-level combinatorial optimization: A realization between Bi-MDVRP and Bi-CVRP. CEC Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2016	B	`conf`	Leveraging evolutionary algorithms for dynamic multi-objective optimization scheduling of multi-tenant smart home appliances. CEC Walid Trabelsi, Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2016	J	`jnl`	On the use of many quality attributes for software refactoring: a many-objective search-based software engineering approach. Empir. Softw. Eng. Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Mel Ó Cinnéide, Kalyanmoy Deb
2016	Misc	`conf`	Solving many-objective problems using targeted search directions. SAC Maha Elarbi, Slim Bechikh, Lamjed Ben Said, Chih-Cheng Hung
2015	B	`conf`	A Co-Evolutionary Decomposition-based Algorithm for Bi-Level combinatorial Optimization. CEC Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2015	J	`jnl`	An Efficient Chemical Reaction Optimization Algorithm for Multiobjective Optimization. IEEE Trans. Cybern. Slim Bechikh, Abir Chaabani, Lamjed Ben Said
2015	—	`conf`	An Improved Co-evolutionary Decomposition-based Algorithm for Bi-level Combinatorial Optimization. GECCO (Companion) Abir Chaabani, Slim Bechikh, Lamjed Ben Said, Radhia Azzouz
2015	J	`jnl`	Chapter Four - Preference Incorporation in Evolutionary Multiobjective Optimization: A Survey of the State-of-the-Art. Adv. Comput. Slim Bechikh, Marouane Kessentini, Lamjed Ben Said, Khaled Ghédira
2015	J	`jnl`	MOMM: Multi-objective model merging. J. Syst. Softw. Usman Mansoor, Marouane Kessentini, Philip Langer, Manuel Wimmer, Slim Bechikh, Kalyanmoy Deb
2015	J	`jnl`	Many-Objective Software Remodularization Using NSGA-III. ACM Trans. Softw. Eng. Methodol. Wiem Mkaouer, Marouane Kessentini, Adnan Shaout, Patrice Koligheu, Slim Bechikh, Kalyanmoy Deb, Ali Ouni
2015	A	`conf`	Multi-objective Optimization with Dynamic Constraints and Objectives: New Challenges for Evolutionary Algorithms. GECCO Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2015	J	`jnl`	Prioritizing code-smells correction tasks using chemical reaction optimization. Softw. Qual. J. Ali Ouni, Marouane Kessentini, Slim Bechikh, Houari A. Sahraoui
2014	J	`jnl`	A Cooperative Parallel Search-Based Software Engineering Approach for Code-Smells Detection. IEEE Trans. Software Eng. Wael Kessentini, Marouane Kessentini, Houari A. Sahraoui, Slim Bechikh, Ali Ouni
2014	B	`conf`	A Multiple Reference Point-based evolutionary algorithm for dynamic multi-objective optimization with undetectable changes. IEEE Congress on Evolutionary Computation Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2014	B	`conf`	A Robust Multi-objective Approach for Software Refactoring under Uncertainty. SSBSE Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Mel Ó Cinnéide
2014	—	`conf`	An indicator-based chemical reaction optimization algorithm for multi-objective search. GECCO (Companion) Abir Chaabani, Slim Bechikh, Lamjed Ben Said
2014	J	`jnl`	Code-Smell Detection as a Bilevel Problem. ACM Trans. Softw. Eng. Methodol. Dilan Sahin, Marouane Kessentini, Slim Bechikh, Kalyanmoy Deb
2014	A	`conf`	High dimensional search-based software engineering: finding tradeoffs among 15 objectives for automating software refactoring using NSGA-III. GECCO Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Kalyanmoy Deb, Mel Ó Cinnéide
2014	B	`conf`	On the Use of Machine Learning and Search-Based Software Engineering for Ill-Defined Fitness Function: A Case Study on Software Refactoring. SSBSE Boukhdhir Amal, Marouane Kessentini, Slim Bechikh, Josselin Dea, Lamjed Ben Said
2014	A*	`conf`	Recommendation system for software refactoring using innovization and interactive dynamic optimization. ASE Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Kalyanmoy Deb, Mel Ó Cinnéide
2014	J	`jnl`	Search-based metamodel matching with structural and syntactic measures. J. Syst. Softw. Marouane Kessentini, Ali Ouni, Philip Langer, Manuel Wimmer, Slim Bechikh
2014	—	`conf`	Software refactoring under uncertainty: a robust multi-objective approach. GECCO (Companion) Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Mel Ó Cinnéide, Kalyanmoy Deb
2014	A	`conf`	Steady state IBEA assisted by MLP neural networks for expensive multi-objective optimization problems. GECCO Nessrine Azzouz, Slim Bechikh, Lamjed Ben Said
2013	B	`conf`	Competitive Coevolutionary Code-Smells Detection. SSBSE Mohamed Boussaa, Wael Kessentini, Marouane Kessentini, Slim Bechikh, Soukeina Ben Chikha
2013	B	`conf`	On the Influence of the Number of Objectives in Evolutionary Autonomous Software Agent Testing. ICTAI Sabrine Kalboussi, Slim Bechikh, Marouane Kessentini, Lamjed Ben Said
2013	B	`conf`	Preference-Based Many-Objective Evolutionary Testing Generates Harder Test Cases for Autonomous Agents. SSBSE Sabrine Kalboussi, Slim Bechikh, Marouane Kessentini, Lamjed Ben Said
2013	—	`conf`	Preference-based multi-objective software modelling. CMSBSE@ICSE Mohamed Wiem Mkaouer, Marouane Kessentini, Slim Bechikh, Daniel R. Tauritz
2012	B	`conf`	Articulating Decision Maker's Preference Information within Multiobjective Artificial Immune Systems. ICTAI Radhia Azzouz, Slim Bechikh, Lamjed Ben Said
2011	C	`conf`	Negotiating decision makers' reference points for group preference-based Evolutionary Multi-objective Optimization. HIS Slim Bechikh, Lamjed Ben Said, Khaled Ghédira
2011	J	`jnl`	Searching for knee regions of the Pareto front using mobile reference points. Soft Comput. Slim Bechikh, Lamjed Ben Said, Khaled Ghédira
2010	B	`conf`	Estimating nadir point in multi-objective optimization using mobile reference points. IEEE Congress on Evolutionary Computation Slim Bechikh, Lamjed Ben Said, Khaled Ghédira
2010	Misc	`conf`	Searching for knee regions in multi-objective optimization using mobile reference points. SAC Slim Bechikh, Lamjed Ben Said, Khaled Ghédira
2010	J	`jnl`	The r-Dominance: A New Dominance Relation for Interactive Evolutionary Multicriteria Decision Making. IEEE Trans. Evol. Comput. Lamjed Ben Said, Slim Bechikh, Khaled Ghédira
2008	—	`conf`	PHC-NSGA-II: A Novel Multi-objective Memetic Algorithm for Continuous Optimization. ICTAI (1) Slim Bechikh, Nabil Belgasmi, Lamjed Ben Said, Khaled Ghédira