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Ontotext GraphDB is a graph database and knowledge discovery tool compliant with RDF and SPARQL.

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Dependencies

Install the rdflib package with 
pip install rdflib==7.0.0

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Graph QA Chain

Connect your GraphDB Database with a chat model to get insights on your data. See the notebook example here. 
from langchain_community.graphs import OntotextGraphDBGraph
from langchain.chains import OntotextGraphDBQAChain
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