WAHYUDI, Sinatrio Bimo; SENSUSE, Dana Indra; LUSA, Sofian; QURANI, Muhammad Hafizh; YASIN, Yordan; MAILINDA, Icha. Absent or Unretrievable: A Two-Layer Knowledge Management Framework for Retrieval-Critical Product Knowledge in a Grocery E-Commerce AI Shopping Assistant. Computer Journal, [S. l.], v. 4, n. 2, p. 320–327, 2026. DOI: 10.58477/cj.v4i2.510. Disponível em: https://journal.ypmma.org/cj/article/view/510. Acesso em: 7 sep. 2026.