mirror of
https://github.com/hwchase17/langchain.git
synced 2026-03-18 02:53:16 +00:00
107 lines
2.5 KiB
Plaintext
107 lines
2.5 KiB
Plaintext
{
|
|
"cells": [
|
|
{
|
|
"cell_type": "markdown",
|
|
"id": "546fd3f7",
|
|
"metadata": {},
|
|
"source": [
|
|
"# DBPedia\n",
|
|
"\n",
|
|
"This example shows how you can use LLMs to interact in natural language with a SPARKQL database."
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 1,
|
|
"id": "6f3bf955",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"from langchain.chat_models import ChatOpenAI\n",
|
|
"from langchain.chains.dbpedia.base import DBPediaChain\n",
|
|
"model = ChatOpenAI(model_name=\"gpt-4\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 2,
|
|
"id": "09dbd131",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": [
|
|
"chain = DBPediaChain.from_llm(model, verbose=True)"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": 3,
|
|
"id": "408cb57d",
|
|
"metadata": {},
|
|
"outputs": [
|
|
{
|
|
"name": "stdout",
|
|
"output_type": "stream",
|
|
"text": [
|
|
"\n",
|
|
"\n",
|
|
"\u001b[1m> Entering new DBPediaChain chain...\u001b[0m\n",
|
|
"Query written:\n",
|
|
"\u001b[32;1m\u001b[1;3mSELECT ?capital WHERE { \n",
|
|
" ?country rdfs:label \"Wakanda\"@en . \n",
|
|
" ?country dbo:capital ?capital . \n",
|
|
" ?capital rdfs:label ?capitalLabel .\n",
|
|
" FILTER (LANG(?capitalLabel) = 'en') \n",
|
|
"}\u001b[0m\n",
|
|
"Response gotten:\n",
|
|
"\u001b[32;1m\u001b[1;3m{'head': {'link': [], 'vars': ['capital']}, 'results': {'distinct': False, 'ordered': True, 'bindings': []}}\u001b[0m\n",
|
|
"\n",
|
|
"\u001b[1m> Finished chain.\u001b[0m\n"
|
|
]
|
|
},
|
|
{
|
|
"data": {
|
|
"text/plain": [
|
|
"'There is no capital information available for Wakanda in the provided SPARQL query response. This is because Wakanda is a fictional country in the Marvel Cinematic Universe and does not have a real-world capital.'"
|
|
]
|
|
},
|
|
"execution_count": 3,
|
|
"metadata": {},
|
|
"output_type": "execute_result"
|
|
}
|
|
],
|
|
"source": [
|
|
"chain.run(\"what is the capital of wakanda?\")"
|
|
]
|
|
},
|
|
{
|
|
"cell_type": "code",
|
|
"execution_count": null,
|
|
"id": "950e2472",
|
|
"metadata": {},
|
|
"outputs": [],
|
|
"source": []
|
|
}
|
|
],
|
|
"metadata": {
|
|
"kernelspec": {
|
|
"display_name": "Python 3 (ipykernel)",
|
|
"language": "python",
|
|
"name": "python3"
|
|
},
|
|
"language_info": {
|
|
"codemirror_mode": {
|
|
"name": "ipython",
|
|
"version": 3
|
|
},
|
|
"file_extension": ".py",
|
|
"mimetype": "text/x-python",
|
|
"name": "python",
|
|
"nbconvert_exporter": "python",
|
|
"pygments_lexer": "ipython3",
|
|
"version": "3.9.1"
|
|
}
|
|
},
|
|
"nbformat": 4,
|
|
"nbformat_minor": 5
|
|
}
|