From Legal Documents to Knowledge Graphs

Retrieval-augmented generation (RAG) is increasingly limited by traditional vector-based approaches when handling complex, interconnected information, prompting the need for structured data to enhance retrieval and reasoning capabilities. By transforming unstructured documents into structured knowledge representations, tools like LlamaCloud and Neo4j facilitate sophisticated graph traversals, relationship queries, and contextual reasoning, which are particularly valuable in the legal domain. Legal documents, with their intricate webs of references and hierarchical nature, benefit from the precision of structured knowledge graphs to improve retrieval accuracy. The process involves using LlamaParse to extract text from documents, classifying contract types with an LLM, extracting relevant attributes with LlamaExtract, and storing the information in a Neo4j knowledge graph. This approach allows for intelligent retrieval systems that understand entity relationships, enabling complex queries beyond simple text fragment searches.