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chore: NebulaGraph prompt optmization (#6904)

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Was preparing for a demo project of NebulaGraphQAChain to find out the
prompt needed to be optimized a little bit.

Please @hwchase17 kindly help review.

Thanks!
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Wey Gu 2023-06-30 03:57:39 +08:00 committed by GitHub
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1 changed files with 7 additions and 6 deletions
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13
langchain/chains/graph_qa/prompts.py
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@ -53,15 +53,16 @@ NEBULAGRAPH_EXTRA_INSTRUCTIONS = """
Instructions: Instructions:
First, generate cypher then convert it to NebulaGraph Cypher dialect(rather than standard): First, generate cypher then convert it to NebulaGraph Cypher dialect(rather than standard):
1. it requires explicit label specification when referring to node properties: v.`Foo`.name 1. it requires explicit label specification only when referring to node properties: v.`Foo`.name
2. it uses double equals sign for comparison: `==` rather than `=` 2. note explicit label specification is not needed for edge properties, so it's e.name instead of e.`Bar`.name
3. it uses double equals sign for comparison: `==` rather than `=`
For instance: For instance:
```diff ```diff
< MATCH (p:person)-[:directed]->(m:movie) WHERE m.name = 'The Godfather II' < MATCH (p:person)-[e:directed]->(m:movie) WHERE m.name = 'The Godfather II'
< RETURN p.name; < RETURN p.name, e.year, m.name;
--- ---
> MATCH (p:`person`)-[:directed]->(m:`movie`) WHERE m.`movie`.`name` == 'The Godfather II' > MATCH (p:`person`)-[e:directed]->(m:`movie`) WHERE m.`movie`.`name` == 'The Godfather II'
> RETURN p.`person`.`name`; > RETURN p.`person`.`name`, e.year, m.`movie`.`name`;
```\n""" ```\n"""
NGQL_GENERATION_TEMPLATE = CYPHER_GENERATION_TEMPLATE.replace( NGQL_GENERATION_TEMPLATE = CYPHER_GENERATION_TEMPLATE.replace(