| International Journal of Approximate Reasoning | |
| Abbreviation: | Int. J. Approx. Reason. |
| Discipline: | Operational research |
| Editor: | Thierry Denoeux |
| Publisher: | Elsevier |
| History: | 1987–present |
| Frequency: | Monthly |
| Impact: | 3.816 |
| Impact-Year: | 2020 |
| Issn: | 0888-613X |
| Eissn: | 1873-4731 |
| Website: | https://www.journals.elsevier.com/international-journal-of-approximate-reasoning |
The International Journal of Approximate Reasoning (IJAR) is a peer-reviewed academic journal in operations research. It was founded in 1987 [1] by Jim Bezdek, and is published on a monthly basis by Elsevier, with Thierry Denoeux as its Editor-in-Chief.