Neo4J how the whole thing should work

First retrieve the text representation of the nodes 

Then Embed it with an embedding model 

Store the embeddings as node properties 

Create the vector index out of it.  

Now when a query is received, the query is embedded and then using retriever, the nodes are filtered in from the graph 

Now to finally generate the answer, below is what to be done 

references

https://www.youtube.com/watch?v=ftlZ0oeXYRE