@inproceedings{chen-etal-2026-data,
    title = "From Data-Centric to Sample-Centric: Enhancing {LLM} Reasoning via Progressive Optimization",
    author = "Chen, Xinjie  and
      Liao, Minpeng  and
      Chen, Guoxin  and
      Li, Chengxi  and
      Fu, Biao  and
      Fan, Kai  and
      Liu, Xinggao",
    editor = "Liakata, Maria  and
      Moreira, Viviane P.  and
      Zhang, Jiajun  and
      Jurgens, David",
    booktitle = "Proceedings of the 64th Annual Meeting of the {A}ssociation for {C}omputational {L}inguistics (Volume 1: Long Papers)",
    month = jul,
    year = "2026",
    address = "San Diego, California, United States",
    publisher = "Association for Computational Linguistics",
    url = "https://preview.aclanthology.org/ingest-acl/2026.acl-long.101/",
    pages = "2227--2242",
    ISBN = "979-8-89176-390-6"
}