Updated README.md

README.md

-# 2L-VKOGA
+# 2L-VKOGA
\ No newline at end of file
+
+Python implementation of the 2L-VKOGA algorithm, which uses a kernel optimization (two layered kernel) before running VKOGA with the modified kernel.
+
+
+
+
+## How to cite:
+If you use this code in your work, please cite the paper
+
+> T. Wenzel, F. Marchetti, and E. Perracchione. Data-driven kernel designs for
+optimized greedy schemes: A machine learning perspective.
+arXiv preprint arXiv:2301.08047, 2023.
+
+
+```bibtex:
+@article{wenzel2023data,
+  title={Data-driven kernel designs for optimized greedy schemes: A machine learning perspective},
+  author={Wenzel, Tizian and Marchetti, Francesco and Perracchione, Emma},
+  journal={arXiv preprint arXiv:2301.08047},
+  year={2023}
+}
+```
+
+For further details on the VKOGA algorithm, please refer to [here](https://github.com/GabrieleSantin/VKOGA).
+