hi, I am using LLamaIndex KnowledgeGraph. I have one question about the node relationship. Each node can have the same relationship with multiple nodes. For example, Node 1 have the same relationship with node 2 and node3. When I use some node1.relationships[NodeRelationship.CHILD] =RelatedNodeInfo(node_id='node_2_id'), node1.relationships[NodeRelationship.CHILD] =RelatedNodeInfo(node_id='node_3_id'). The second will replace the previous. How to solve it?
I am using PropertyGraph and Neo4jGraphStore. I have manaully added the nodes and the relationships. During adding nodes and relationships, I do not use any embedding model. When I use PropertyGraphIndex to load Neo4jGraphStore (from_existing), how to generate the embedding for Neo4jGraphStore using LLM. Because I do not use any LLM when adding nodes and relationships to Neo4jGraphStore.