Briola, A;    Bartolucci, S;    Aste, T;      (2025)    HLOB–Information persistence and structure in limit order books.                   Expert Systems with Applications , 266     , Article 126078.  10.1016/j.eswa.2024.126078 <https://doi.org/10.1016/j.eswa.2024.126078>.       Green open access