1. [1] D-Wave Systems. https://www.dwavesys.com/.
2. [2] Dimod. https://docs.ocean.dwavesys.com/en/stable/docs_dimod/.
3. [3] Google OR-Tools. https://developers.google.com/optimization.
4. [4] Gurobi. https://www.gurobi.com/.
5. [5] OpenJij. https://www.openjij.org/.