Explore Iterative Refinement for Text2Cypher
Blog post from Neo4j
In an effort to improve the performance of Text2Cypher, a task that transforms natural language into Cypher queries for Neo4j graph databases, an iterative refinement process has been developed consisting of verification and correction steps. The process aims to address the issue of LLMs sometimes generating invalid Cypher queries by implementing a loop where queries are verified for validity and corrected if necessary, continuing until a stop criterion is met. The approach uses various verification and correction techniques, including rule-based and LLM-based methods, and initial empirical observations indicate the potential effectiveness of this iterative process. However, challenges remain, such as the slow and costly nature of some techniques, prompting suggestions for future improvements, like incorporating complexity analysis to optimize the initial validation stage. Such refinements could help minimize the reliance on resource-intensive external calls, thereby enhancing efficiency in generating accurate Cypher queries.