Amazon Neptune now introduces support for PropertyGraphStore in Neptune to build more reliable GraphRAG applications
News
The article introduces support for PropertyGraphIndex in Amazon Neptune to build more reliable Graph Retrieval-Augmented Generation (GraphRAG) applications. This allows combining knowledge graphs stored in Neptune with LlamaIndex, an open-source framework for building applications with Large Language Models (LLMs).
Specifically, the article covers:
- Natural language querying via the TextToCypher Retriever
- Knowledge graph retrieval via the Cypher Template Retriever
- Knowledge Graph Enhanced RAG creation and querying using supported extractors and retrievers
- Efficient indexing and querying of node and relationship properties in knowledge graphs using PropertyGraphIndex
- Converting text into openCypher queries for interacting with and extracting insights from knowledge graphs
- Utilizing pre-defined templates for common openCypher queries
- Handling complex multi-hop retrievals or simple queries with improved performance and capability
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