- Chu Min Li, Fan Xiao, Felip Manyà. A resolution calculus for MinSAT. Logic Journal of the IGPL, 29(1):28-44, 2021.
- Zoe Falomir, Vicent Costa, Enric Plaza, Karina Gibert. Special issue on logics and artificial intelligence. Logic Journal of the IGPL, 29(1):1-6, 2021.
- Patrick G. Clark, Cheng Gao, Jerzy W. Grzymala-Busse, Teresa Mroczek, Rafal Niemiec. Complexity of rule sets in mining incomplete data using characteristic sets and generalized maximal consistent blocks. Logic Journal of the IGPL, 29(2):124-137, 2021.
- Sergio Luis Suárez Gómez, Carlos González-Gutiérrez, Juan Díaz Suárez, Juan José Fernández-Valdivia, José Manuel Rodríguez-Ramos, Luis Fernando Rodríguez Ramos, Jesús Daniel Santos Rodríguez. Compensating atmospheric turbulence with CNNs for defocused pupil image wavefront sensors. Logic Journal of the IGPL, 29(2):180-192, 2021.
- Jesús Cerquides, Juan Antonio Rodríguez-Aguilar, Rémi Emonet, Gauthier Picard. Solving Highly Cyclic Distributed Optimization Problems Without Busting the Bank: A Decimation-based Approach. Logic Journal of the IGPL, 29(1):72-95, 2021.
- Alfredo Cuzzocrea, Giovanni Pilato. A composite framework for supporting user emotion detection based on intelligent taxonomy handling. Logic Journal of the IGPL, 29(2):207-219, 2021.
- Tomas Kadavy, Roman Senkerik, Michal Pluhacek, Adam Viktorin. Orthogonal Learning Firefly Algorithm. Logic Journal of the IGPL, 29(2):167-179, 2021.
- Josep Argelich, Chu Min Li, Felip Manyà, Joan Ramon Soler. Clause tableaux for maximum and minimum satisfiability. Logic Journal of the IGPL, 29(1):7-27, 2021.
- Krzysztof Rudek, Jaroslaw Kozlak. Patterns of frequent user interactions in blogosphere. Logic Journal of the IGPL, 29(2):138-150, 2021.
- Vicent Costa, Pilar Dellunde, Zoe Falomir. The logical style painting classifier based on Horn clauses and explanations (ℓ-SHE). Logic Journal of the IGPL, 29(1):96-119, 2021.