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Fanghua Yu

Field Engineer, Neo4j

Fanghua Yu, a.k.a. Joshua Yu, is an IT professional with over 20 years of experience. He is fascinated with information and data visualization. He is also passionate about computer education for the younger generations. Joshua currently lives in Sydney, Australia.

Latest Posts by Fanghua Yu

Using LlamaParse to Create Knowledge Graphs from Documents

Combining the power of LlamaParse and Neo4j for better RAG applications.Image generated by DALL-E.A month ago, LlamaIndex announced the launch of LlamaCloud, a pioneering managed parsing, ingestion, and retrieval service aimed at enhancing production-grade context augmentation for LLM and RAG... read more

Why Vector Search Didn’t Work for Your RAG Solution?

Exploring the Shortcomings of Text Embedding Retrieval for LLM GenerationLoch Awe in Scotland, photo by author.AbstractExternal knowledge is the key to resolving the problems of LLMs such as hallucination and outdated knowledge, which can make LLMs generate more accurate and reliable responses... read more

Learn more about data profiling using the Neo4j graph database and the APOC library

Data Profiling: A Holistic View of Data using Neo4j

Summary Data profiling is a widely used methodology in the relational database world to analyse the structure, contents and metadata of a data source. Generally, data profiling consists a series of jobs executed upon the data source to collect statistics and produce informative summaries about... read more