docs: Update Links to resources in the GraphDB QA Chain documentation (…

…langchain-ai#17720)

- **Description:** Update Links to resources in the GraphDB QA Chain
documentation
    - **Issue:** N/A
    - **Dependencies:** N/A
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docs/docs/use_cases/graph/graph_ontotext_graphdb_qa.ipynb

@@ -45,15 +45,15 @@
     "\n",
     "## Querying the GraphDB Database\n",
     "\n",
-    "For this tutorial, we won't use the GraphDB LLM integration, but SPARQL generation from NLQ. We'll use the Star Wars API (SWAPI) ontology and dataset that you can examine [here](https://drive.google.com/file/d/1wQ2K4uZp4eq3wlJ6_F_TxkOolaiczdYp/view?usp=drive_link).\n",
+    "For this tutorial, we won't use the GraphDB LLM integration, but SPARQL generation from NLQ. We'll use the Star Wars API (SWAPI) ontology and dataset that you can examine [here](https://github.com/Ontotext-AD/langchain-graphdb-qa-chain-demo/blob/main/starwars-data.trig).\n",
     "\n",
-    "You will need to have a running GraphDB instance. This tutorial shows how to run the database locally using the [GraphDB Docker image](https://hub.docker.com/r/ontotext/graphdb). It provides a docker compose set-up, which populates GraphDB with the Star Wars dataset. All nessessary files including this notebook can be downloaded from GDrive.\n",
+    "You will need to have a running GraphDB instance. This tutorial shows how to run the database locally using the [GraphDB Docker image](https://hub.docker.com/r/ontotext/graphdb). It provides a docker compose set-up, which populates GraphDB with the Star Wars dataset. All nessessary files including this notebook can be downloaded from [the GitHub repository langchain-graphdb-qa-chain-demo](https://github.com/Ontotext-AD/langchain-graphdb-qa-chain-demo).\n",
     "\n",
     "### Set-up\n",
     "\n",
     "* Install [Docker](https://docs.docker.com/get-docker/). This tutorial is created using Docker version `24.0.7` which bundles [Docker Compose](https://docs.docker.com/compose/). For earlier Docker versions you may need to install Docker Compose separately.\n",
-    "* Download all files from [GDrive](https://drive.google.com/drive/folders/18dN7WQxfGu26Z9C9HUU5jBwDuPnVTLbl) in a local folder on your machine.\n",
-    "* Start GraphDB with the following script executed from this folder\n",
+    "* Clone [the GitHub repository langchain-graphdb-qa-chain-demo](https://github.com/Ontotext-AD/langchain-graphdb-qa-chain-demo) in a local folder on your machine.\n",
+    "* Start GraphDB with the following script executed from the same folder\n",
     "  ```\n",
     "  docker build --tag graphdb .\n",
     "  docker compose up -d graphdb\n",