Muhammad Ismail, Azeem Akram. WHEN DOES GRAPH-STRUCTURED MEMORY HELP MULTI-SESSION LLM AGENTS? AN EMPIRICAL STUDY OF HYGRAM, A HYBRID GRAPH–VECTOR MEMORY ARCHITECTURE. SES [Internet]. 2026 Jun. 21 [cited 2026 Jun. 27];4(6):2901-14. Available from: https://www.thesesjournal.com/index.php/1/article/view/3354