@inproceedings{wu-2026-relation,
    title = "When Relation-Free Retrieval Is Not Relation-Aware: A Directionality Stress Test for Linear Graph {RAG}",
    author = "Wu, Ding",
    editor = "Sedoc, Jo{\~a}o  and
      Shu, Raphael  and
      Drozd, Aleksandr  and
      Akula, Arjun  and
      Rogers, Anna  and
      Giorgi, Salvatore  and
      Benton, Adrian",
    booktitle = "Proceedings of the Seventh Workshop on Insights from Negative Results in {NLP}",
    month = oct,
    year = "2026",
    address = "Budapest, Hungary",
    publisher = "Association for Computational Linguistics",
    url = "https://aclanthology.org/2026.insights-1.18/",
    pages = "133--136",
    ISBN = "979-8-89176-480-4"
}