mirror of
https://github.com/hwchase17/langchain
synced 2024-10-29 17:07:25 +00:00
ebf998acb6
Co-authored-by: Harrison Chase <hw.chase.17@gmail.com> Co-authored-by: Lance Martin <lance@langchain.dev> Co-authored-by: Jacob Lee <jacoblee93@gmail.com>
22 lines
477 B
Python
22 lines
477 B
Python
from langchain.graphs import Neo4jGraph
|
|
|
|
graph = Neo4jGraph()
|
|
|
|
# Import sample data
|
|
graph.query(
|
|
"""
|
|
MERGE (m:Movie {name:"Top Gun"})
|
|
WITH m
|
|
UNWIND ["Tom Cruise", "Val Kilmer", "Anthony Edwards", "Meg Ryan"] AS actor
|
|
MERGE (a:Person {name:actor})
|
|
MERGE (a)-[:ACTED_IN]->(m)
|
|
"""
|
|
)
|
|
|
|
# Create full text index for entity matching
|
|
# on Person and Movie nodes
|
|
graph.query(
|
|
"CREATE FULLTEXT INDEX entity IF NOT EXISTS"
|
|
" FOR (m:Movie|Person) ON EACH [m.title, m.name]"
|
|
)
|