Chemseddine Chohra is a Senior Lecturer Class B of Computer Science at the University 8 Mai 1945 Guelma. He defended his Ph.D. thesis in computer science on mars 10th, 2017 at the University of Perpignan Via Domitia, in the DALI project-team from LIRMM laboratory, under the supervision of Philippe Langlois and David Parello. His research interests are : Numerical Reproducibility and Performance Optimization.

When he is not glued to his computer screen, he spends his time reading or trying so hard not to be the worst football player in the world.

Teaching activities

Teaching activities:

2023-2024

1st Semester

Engineering (Computer Science); 2nd year : Algorithms and Complexity.
Licence (Computer Science); 2nd year : Numerical Methods.

2nd Semester

Licence Pro (Networking and Web Development); 2nd year : Advanced Web development.
Licence (Mathematics); 1st year : Programming Tools for Mathematics.

2022-2023

1st Semester

Licence (Mathematics); 1st year : Data Structures and Algorithms 01 (Assistant).
Licence (Computer Science); 2nd year : Numerical Methods.
Licence Pro (Networking and Web Development); 2nd year : E-Commerce.

2nd Semester

Engineering (Computer Science); 1st year : Data Structures and Algorithms 02 (Assistant).
Licence (Mathematics); 1st year : Programming Tools for Mathematics.
Licence Pro (Networking and Web Development); 2nd year : Advanced Web development.

2021-2022

1st Semester

Master (Numerical Analysis and Differential Equations); 1st year : Programming Tools.
Licence (Computer Science); 2nd year : Numerical Methods.
Licence Pro (Networking and Web Development); 2nd year : E-Commerce.

2nd Semester

Licence (Mathematics and Computer Science); 1st year : Data Structures and Algorithms 02 (Assistant).
Licence (Mathematics and Computer Science); 1st year : Programming Tools for Mathematics.
Licence Pro (Networking and Web Development); 2nd year : Advanced Web development.

2020-2021

1st Semester

Master (Numerical Analysis and Differential Equations); 1st year : Programming Tools.
Licence (Computer Science); 2nd year : Numerical Methods.
Licence Pro (Networking and Web Development); 2nd year : E-Commerce.

2nd Semester

Licence (Mathematics and Computer Science); 1st year : Data Structures and Algorithms 02 (Assistant).
Licence (Mathematics and Computer Science); 1st year : Programming Tools for Mathematics (Assistant).
Licence Pro (Networking and Web Development); 2nd year : Advanced Web development.

2019-2020

1st Semester

Master (Numerical Analysis and Differential Equations); 1st year : Programming Tools.
Licence (Computer Science); 2nd year : Numerical Methods.

2nd Semester

Licence (Mathematics and Computer Science); 1st year : Data Structures and Algorithms 02 (Assistant).
Licence (Mathematics and Computer Science); 1st year : Programming Tools (Assistant).

2018-2019

1st Semester

Master (Numerical Analysis and Differential Equations); 1st year : Programming Tools.
Master (Computer Systems); 1st year : Logic Fundamentals (Assistant).
Licence (Information Systems); 3rd year : Compilation (Assistant).

2nd Semester

Licence (Mathematics and Computer Science); 1st year : Data Structures and Algorithms 02 (Assistant).
Licence (Mathematics and Computer Science); 1st year : Programming Tools (Assistant).
Licence (Mathematics and Computer Science); 1st year : Computer Architecture (Assistant).

2017-2018

1st Semester

Master (Numerical Analysis and Differential Equations); 1st year : Programming Tools.
Master (Computer Systems); 1st year : Logic Fundamentals (Assistant).
Licence (Computer Science); 2nd year : Formal Language Theory (Assistant).

2nd Semester

Licence (Economics Core Curriculum); 1st year : Computer Basics (Assistant).

Supervision of students

Supervision of students:

2022-2023

Master's Degree Training Supervision

Zedouri Mouhamed Amin, Analysis of the Impact of Dimensionality Reduction on the Accuracy and Performance of Intrusion Detection Systems in IoT Environments.
Ounadi Fouad, Un système basé sur l’apprentissage automatique pour la prédiction de la valeur des cryptomonnaies.

2021-2022

Master's Degree Training Supervision

Boukertouta Mohammed Amin, Détection des intrusions basée sur l’apprentissage automatique dans les systèmes IdO (Internet des Objets).
Amiar Nor el houda, Conception et implémentation d’un service web pour la reconnaissance d’émotion faciale.

2020-2021

Licence Training Supervision

Aguini Meriem and Naidja Hanane, Une application mobile pour la gestion du parc automobile d’Algérie Télécom.
Zedouri Mouhamed Amin and Ounadi Fouad, Un site web pour la gestion des infrastructures sportives à Guelma.

2019-2020

Licence Training Supervision

Ridha Lahiouel and Anis Dahlouk, Gestion d'approvisionnement au sein de l'université 8 Mai 1945 Guelma.

Master's Degree Training Supervision

Yahia Bouchebout, Etude comparative des algorithmes de sommation flottante.

2018-2019

Licence Training Supervision

Loubna Kadri and Sewsen Chermati, Système d'informations géographique pour l'étude des abonnés d'Algérie Télécom.
Aymen Aouamri and Mohammed Amin Boutarfa, Gestion de l'infrastructure Algérie Télécom sur une carte géographique.

2017-2018

Licence Training Supervision

Amine Bouglada and Zineddine Belgharbi, Amélioration du processus de gestion des abonés d'Algérie Télécom.

Teaching documents

Teaching documents:

You are invited to download my teaching documents from the e-learning space and the university official website :

You can check the audiovisual summary of my courses on my youtube channel :
https://www.youtube.com/channel/UCagOoFVynSAbo_YqiVRmyAQ

Research interest

Research interest:

Numérical Reproducibility;
Parallel Algorithms;
Performance Optimization;

Scientific publications

Scientific publications :

Abdelaziz Khaled, Samir Ouchani and Chemseddine Chohra. Recommendations-based on semantic analysis of social networks in learning environments. Computers in Human Behavior, ISSN 0747-5632, 2018.
Chemseddine Chohra, Philippe Langlois, and David Parello. Reproducible, accurately rounded and efficient blas. Euro-Par 2016: Parallel Processing Workshops: Euro-Par 2016 International Workshops, Grenoble, France, August 24-26, 2016, Revised Selected Papers, volume 10104 of Lecture Notes of Computer Science, pages 609--620, Cham, May 2017. Springer International Publishing.
Chemseddine Chohra, Philippe Langlois, and David Parello. Efficiency of Reproducible Level 1 BLAS. SCAN 2014, Revised Selected Papers, volume 9553 of Lecture Notes of Computer Science, pages 99--108. Springer, April 2016.
Chemseddine Chohra, Philippe Langlois, and David Parello. Parallel experiments with RARE-BLAS. 18th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing, SYNASC 2016, Timisoara, Romania, September 24-27, 2016, pages 135--138. IEEE Computer Society, 2016.

Scientific conferences

Scientific conferences:

Chemseddine Chohra, Philippe Langlois and David Parello. Reproducible and Accurate Parallel Triangular Solver. (Presented by Philippe Langlois) in International Congress on Industrial and Applied Mathematics (ICIAM). Valencia (Spain), July 2019.
Chemseddine Chohra, Philippe Langlois, Rafife Nheili, and David Parello. Reproducible parallel simulations in HPC. In SIAM Conference on Computational Science & Engineering (CSE17). Atlanta (Ma., USA), pages 1--2, March 2017.
Philippe Langlois, Chemseddine Chohra, and Rafife Nheili. Cas d'études de calculs parallèles numériquement reproductibles. In Workshop Retour d'expéRiences sur la Recherche Reproductible, page 1. Orléans, December 2015.
Chemseddine Chohra, Philippe Langlois, and David Parello. Level 1 Parallel RTN-BLAS: Implementation and Efficiency Analysis. In SCAN2014 16th GAMM-IMACS International Symposium on Scientific Computing, Computer Arithmetic and Validated Numerics, pages 40--41, Würzburg, Germany, September 2014.
Khaled Halimi, Abdelaziz Khaled and Chemseddine Chohra. L’analyse Sémantique des Réseaux Sociaux pour les Environnements d’Apprentissage. (Presented by Abdelaziz Khaled) at "La deuxième Journée Nationale des Sciences et Technologies de l’Information et de la Communication" (JSTIC’2013), Guelma, Algeria, July 2013.