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langchain[minor]: Reduce the number of tokens required to describe a Cypher/Neo4j schema (#13851)

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Instead of using JSON-like syntax to describe node and relationship
properties we changed to a shorter and more concise schema description

Old:

```
        Node properties are the following:
        [{'properties': [{'property': 'name', 'type': 'STRING'}], 'labels': 'Movie'}, {'properties': [{'property': 'name', 'type': 'STRING'}], 'labels': 'Actor'}]
        Relationship properties are the following:
        []
        The relationships are the following:
        ['(:Actor)-[:ACTED_IN]->(:Movie)']
```

New:

```
Node properties are the following:
Movie {name: STRING},Actor {name: STRING}
Relationship properties are the following:

The relationships are the following:
(:Actor)-[:ACTED_IN]->(:Movie)
```
This commit is contained in:
Tomaz Bratanic
2023-11-29 20:13:12 +01:00
committed by GitHub
parent 7ec4dbeb80
commit 3eb391561b
5 changed files with 132 additions and 94 deletions
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37
docs/docs/use_cases/graph/graph_cypher_qa.ipynb
View File

@@ -48,16 +48,7 @@
"execution_count": 2,
"id": "0928915d",
"metadata": {},
"outputs": [
{
"name": "stderr",
"output_type": "stream",
"text": [
"/home/tomaz/neo4j/langchain/libs/langchain/langchain/graphs/neo4j_graph.py:52: ExperimentalWarning: The configuration may change in the future.\n",
" self._driver.verify_connectivity()\n"
]
}
],
"outputs": [],
"source": [
"graph = Neo4jGraph(\n",
" url=\"bolt://localhost:7687\", username=\"neo4j\", password=\"pleaseletmein\"\n",
@@ -132,14 +123,12 @@
"name": "stdout",
"output_type": "stream",
"text": [
"Node properties are the following:\n",
"Movie {name: STRING},Actor {name: STRING}\n",
"Relationship properties are the following:\n",
"\n",
" Node properties are the following:\n",
" [{'properties': [{'property': 'name', 'type': 'STRING'}], 'labels': 'Movie'}, {'properties': [{'property': 'name', 'type': 'STRING'}], 'labels': 'Actor'}]\n",
" Relationship properties are the following:\n",
" []\n",
" The relationships are the following:\n",
" ['(:Actor)-[:ACTED_IN]->(:Movie)']\n",
" \n"
"The relationships are the following:\n",
"(:Actor)-[:ACTED_IN]->(:Movie)\n"
]
}
],
@@ -556,12 +545,12 @@
"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"
"Node properties are the following:\n",
"Actor {name: STRING}\n",
"Relationship properties are the following:\n",
"\n",
"The relationships are the following:\n",
"\n"
]
}
],
@@ -656,7 +645,7 @@
"name": "python",
"nbconvert_exporter": "python",
"pygments_lexer": "ipython3",
"version": "3.8.8"
"version": "3.10.13"
}
},
"nbformat": 4,