Author

Fengrong Wan

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Preprint Aug 2026

SodaMem: Evidence-Grounded Temporal Graph Memory for LLM Agents

SodaMem is presented, an evidence-grounded temporal graph memory that extracts typed FactEvents with mandatory provenance spans, persists mention time, occurrence time, and validity with SUPERSEDES/CONTRADICTS/UPDATES edges under hybrid lexical-dense indexing and answers via a planner-reader loop that gathers citable evidence before composing a final response.

Fengrong Wan, Chengcan Wu, Ning Lyu · 0 citations