MM: A bidirectional search algorithm that is guaranteed to meet in the middle

Robert C. Holte, Ariel Felner, Guni Sharon, Nathan R. Sturtevant, Jingwei Chen. MM: A bidirectional search algorithm that is guaranteed to meet in the middle. Artificial Intelligence, 252:232-266, 2017. [doi]

@article{HolteFSSC17,
  title = {MM: A bidirectional search algorithm that is guaranteed to meet in the middle},
  author = {Robert C. Holte and Ariel Felner and Guni Sharon and Nathan R. Sturtevant and Jingwei Chen},
  year = {2017},
  doi = {10.1016/j.artint.2017.05.004},
  url = {https://doi.org/10.1016/j.artint.2017.05.004},
  researchr = {https://researchr.org/publication/HolteFSSC17},
  cites = {0},
  citedby = {0},
  journal = {Artificial Intelligence},
  volume = {252},
  pages = {232-266},
}