QUERY insert_entity(entity_name_in: String) =>
    node <- AddN<Entity>({ entity_name: entity_name_in })
    RETURN node

QUERY get_entity(entity_name_in: String) =>
    node <- N<Entity>::WHERE(_::{entity_name}::EQ(entity_name_in))
    RETURN node

QUERY insert_relationship(
from_entity_label: String,
to_entity_label: String,
edge_name_in: String) =>
    from_entity <- N<Entity>({entity_name: from_entity_label})
    to_entity <- N<Entity>({entity_name: to_entity_label})
    e <- AddE<Relationship>({ edge_name: edge_name_in })::From(from_entity)::To(to_entity)
    RETURN e