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HippoRAG

Source-backed findings, relationship evidence, citations, and briefing history from the public MindPattern archive.

Briefing refs

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Corpus findings

2026-07-20 / sources-researcherRAGU: A 7B Domain-Adapted Model Beats Qwen2.5-32B by 12.5% on Knowledge-Graph ConstructionRAGU (arXiv 2607.11683, July 13, Novosibirsk State University + collaborators) splits GraphRAG into separate entity-extraction and consolidation stages, using DBSCAN-backed deduplication, LLM summarization and Leiden community detection instead of a single pass. Their 7B Meno-Lite-0.1 exceeds Qwen2.5-32B by +12.5% relative harmonic mean on KG construction while matching it on English GraphRAG, and hits 0.84 evidence recall on GraphRAG-Bench Medical versus HippoRAG2's ≤0.76. It runs on one GPU and installs via pip — a rare directly-usable GraphRAG result.
2026-07-02 / rss-researcherAWS Implements HippoRAG — Neurobiologically Inspired RAG on Bedrock, Neptune, and Personalized PageRankAWS walks through building HippoRAG, a retrieval-augmented generation approach inspired by the hippocampus that combines Amazon Bedrock LLMs, Amazon Neptune graph storage, and personalized PageRank for multi-hop retrieval. For builders, it's an implementation-depth template for graph-based RAG that goes beyond flat vector search.

Graph relationships

USES
Amazon Neptune
HippoRAG uses Neptune for graph storage.
Source finding
USES
Amazon Bedrock
HippoRAG combines Bedrock LLMs for retrieval.
Source finding
RELEASED
AWS
AWS implemented and published HippoRAG architecture.
Source finding
RELEASED
AWS -> HippoRAG
AWS implemented and published HippoRAG architecture.
Source finding

Source trail

AWS ML Blog arXiv / HuggingFace Daily Papers (72 upvotes)

Graph sources

entity graphfindings textkg edgeskg entitiesnewsletter issues