← Articles
MZ

Mei-Ling Zhou

Author

AI research engineer at a Shenzhen robotics lab, building RAG pipelines for technical documentation retrieval. Created the internal vector indexing library that cut search latency by 60%.

aillmdatabasesbackend

Articles by Mei-Ling Zhou(1)

Building a knowledge graph from unstructured text with an LLM

A step-by-step guide to extracting entities and relationships from unstructured text using an LLM, storing them in a graph database, and querying the resulting knowledge graph — with practical patterns for deduplication, confidence scoring, and incremental updates

knowledge-graphllmentity-extractiongraph-databasenlp

16 July 2026

Mei-Ling Zhou — ANN Tech — ANN Tech