Update README.md

README.md

@@ -289,3 +289,23 @@ with open(ins_save_path, "w") as file:
 model=gp.read(ins_save_path) 
 model.optimize()
 ```
+### License
+Instances data in different domains is licensed under different licenses, as we curated the data from different sources. 
+| Domain | License              |
+|--------|----------------------|
+| CA     | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)    |
+| SC     | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
+| MIS    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
+| MVC    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
+| GISP   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
+| CFLP   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)     |
+| LB     | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main)[(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE) |
+| IP     | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main)[(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE) |
+| MIRP   | BSD 3-Clause License [(Source repository)](https://github.com/ds4dm/ml4co-competition/tree/main) [(Details and copyright notice)](https://github.com/ds4dm/ml4co-competition/blob/main/LICENSE)  |
+| NNV    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode) [(Source repository)](https://github.com/google-deepmind/deepmind-research/tree/master/neural_mip_solving)   |
+| OTS    | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)    |
+| MMCN   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)    |
+| SRPN   | [CC BY 4.0 License](https://creativecommons.org/licenses/by/4.0/legalcode)    |
+
+
+### Loading MILP instances