Filtering graph schema for Cypher generation (#10577)

Sometimes you don't want the LLM to be aware of the whole graph schema,
and want it to ignore parts of the graph when it is constructing Cypher
statements.

docs/extras/use_cases/more/graph/graph_cypher_qa.ipynb

@@ -135,7 +135,7 @@
     }
    ],
    "source": [
-    "print(graph.get_schema)"
+    "print(graph.schema)"
    ]
   },
   {
@@ -510,13 +510,54 @@
     "chain.run(\"Who played in Top Gun?\")"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "id": "eefea16b-508f-4552-8942-9d5063ed7d37",
+   "metadata": {},
+   "source": [
+    "# Ignore specified node and relationship types\n",
+    "You can use `include_types` or `exclude_types` to ignore parts of the graph schema when generating Cypher statements."
+   ]
+  },
   {
    "cell_type": "code",
-   "execution_count": null,
-   "id": "48ff7cf8-18a3-43d7-8cb1-c1b91744608d",
+   "execution_count": 18,
+   "id": "a20fa21e-fb85-41c4-aac0-53fb25e34604",
    "metadata": {},
    "outputs": [],
-   "source": []
+   "source": [
+    "chain = GraphCypherQAChain.from_llm(\n",
+    "     graph=graph,\n",
+    "     cypher_llm=ChatOpenAI(temperature=0, model=\"gpt-3.5-turbo\"),\n",
+    "     qa_llm=ChatOpenAI(temperature=0, model=\"gpt-3.5-turbo-16k\"),\n",
+    "     verbose=True,\n",
+    "     exclude_types=['Movie']\n",
+    ")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 19,
+   "id": "3ad7f6b8-543e-46e4-a3b2-40fa3e66e895",
+   "metadata": {},
+   "outputs": [
+    {
+     "name": "stdout",
+     "output_type": "stream",
+     "text": [
+      "Node properties are the following: \n",
+      " {'Actor': [{'property': 'name', 'type': 'STRING'}]}\n",
+      "Relationships properties are the following: \n",
+      " {}\n",
+      "Relationships are: \n",
+      "[]\n"
+     ]
+    }
+   ],
+   "source": [
+    "# Inspect graph schema\n",
+    "print(chain.graph_schema)"
+   ]
   }
  ],
  "metadata": {

docs/extras/use_cases/more/graph/graph_memgraph_qa.ipynb

@@ -187,7 +187,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "print(graph.get_schema)"
+    "print(graph.schema)"
    ]
   },
   {
@@ -687,7 +687,7 @@
    "name": "python",
    "nbconvert_exporter": "python",
    "pygments_lexer": "ipython3",
-   "version": "3.9.13"
+   "version": "3.8.8"
   }
  },
  "nbformat": 4,