will connect to Neo4j and create a vector and keyword indices if needed.hybrid_db = Neo4jVector.from_documents(    docs,     OpenAIEmbeddings(),     url=url,     username=username,     password=password,    search_type="hybrid")    /home/tomaz/neo4j/langchain/libs/langchain/langchain/vectorstores/neo4j_vector.py:165: ExperimentalWarning: The configuration may change in the future.      self._driver.verify_connectivity()To load the hybrid search from existing indexes, you have to provide both the vector and keyword indicesindex_name = "vector"  # default index namekeyword_index_name = "keyword" #default keyword index namestore = Neo4jVector.from_existing_index(    OpenAIEmbeddings(),    url=url,    username=username,    password=password,    index_name=index_name,    keyword_index_name=keyword_index_name,    search_type="hybrid")    /home/tomaz/neo4j/langchain/libs/langchain/langchain/vectorstores/neo4j_vector.py:165: ExperimentalWarning: The configuration may change in the future.      self._driver.verify_connectivity()Retriever options‚ÄãThis section shows how to use Neo4jVector as a retriever.retriever = store.as_retriever()retriever.get_relevant_documents(query)[0]    Document(page_content='Tonight. I call on the Senate to: Pass the Freedom to Vote Act. Pass the John Lewis Voting Rights Act. And while you‚Äôre at it, pass the Disclose Act so Americans can know who is funding our elections. \n\nTonight, I‚Äôd like to honor someone who has dedicated his life to serve this country: Justice Stephen Breyer‚Äîan Army veteran, Constitutional scholar, and retiring Justice of the United States Supreme Court. Justice Breyer, thank you for your service. \n\nOne of the most serious constitutional responsibilities a President has is nominating someone to serve on the United States Supreme Court. \n\nAnd I did that 4 days ago, when I nominated Circuit Court of Appeals Judge Ketanji Brown Jackson. One of our nation‚Äôs top legal minds, who will continue Justice Breyer‚Äôs
Neo4j is an open-source graph database with integrated support for vector similarity search
Neo4j is an open-source graph database with integrated support for vector similarity search ->: will connect to Neo4j and create a vector and keyword indices if needed.hybrid_db = Neo4jVector.from_documents(    docs,     OpenAIEmbeddings(),     url=url,     username=username,     password=password,    search_type="hybrid")    /home/tomaz/neo4j/langchain/libs/langchain/langchain/vectorstores/neo4j_vector.py:165: ExperimentalWarning: The configuration may change in the future.      self._driver.verify_connectivity()To load the hybrid search from existing indexes, you have to provide both the vector and keyword indicesindex_name = "vector"  # default index namekeyword_index_name = "keyword" #default keyword index namestore = Neo4jVector.from_existing_index(    OpenAIEmbeddings(),    url=url,    username=username,    password=password,    index_name=index_name,    keyword_index_name=keyword_index_name,    search_type="hybrid")    /home/tomaz/neo4j/langchain/libs/langchain/langchain/vectorstores/neo4j_vector.py:165: ExperimentalWarning: The configuration may change in the future.      self._driver.verify_connectivity()Retriever options‚ÄãThis section shows how to use Neo4jVector as a retriever.retriever = store.as_retriever()retriever.get_relevant_documents(query)[0]    Document(page_content='Tonight. I call on the Senate to: Pass the Freedom to Vote Act. Pass the John Lewis Voting Rights Act. And while you‚Äôre at it, pass the Disclose Act so Americans can know who is funding our elections. \n\nTonight, I‚Äôd like to honor someone who has dedicated his life to serve this country: Justice Stephen Breyer‚Äîan Army veteran, Constitutional scholar, and retiring Justice of the United States Supreme Court. Justice Breyer, thank you for your service. \n\nOne of the most serious constitutional responsibilities a President has is nominating someone to serve on the United States Supreme Court. \n\nAnd I did that 4 days ago, when I nominated Circuit Court of Appeals Judge Ketanji Brown Jackson. One of our nation‚Äôs top legal minds, who will continue Justice Breyer‚Äôs