eCHFD : extended Ceasefire Hierarchical Firearm Dataset. - Loubna Lechelek; Sylvie Chambon; Alain Crouzil; Saddam Abdulwahab; Grégory Jalabert; Christian Brocard; Charles-Edouard Coquillard; Laurence Abadie; Bruno Sera; Thierry Hartmann; Marjorie Le Bras (MMSys, 2025)