post-graph-rag: A PostgreSQL-Native Bi-Temporal Graph RAG Engine with Temporal Grounding at Synthesis
cs.AI
Submitted: 2026-08-14
Updated: 2026-09-05
Comments: 31 pages, 6 figures, 15 tables
Code: https://github.com/crajah/post-graph-rag
License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
Terminology
Sources
- Seven Failure Points When Engineering a Retrieval Augmented Generation System
- From Local to Global: A Graph RAG Approach to Query-Focused Summarization
- Ragas: Automated Evaluation of Retrieval Augmented Generation
- Retrieval-Augmented Generation for Large Language Models: A Survey
- Learning Sequence Encoders for Temporal Knowledge Graph Completion
- LightRAG: Simple and Fast Retrieval-Augmented Generation
- HippoRAG: Neurobiologically Inspired Long-Term Memory for Large Language Models
- Dense Passage Retrieval for Open-Domain Question Answering
- Retrieval-Augmented Generation for Knowledge-Intensive NLP Tasks
- Efficient and robust approximate nearest neighbor search using Hierarchical Navigable Small World graphs
- Graph Retrieval-Augmented Generation: A Survey
- RAPTOR: Recursive Abstractive Processing for Tree-Organized Retrieval
- Enhancing Knowledge Graph Construction Using Large Language Models
- LLMs for Knowledge Graph Construction and Reasoning: Recent Capabilities and Future Opportunities
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