diff --git a/notebooks/query_cellar_R.ipynb b/notebooks/query_cellar_R.ipynb
deleted file mode 100644
index 608427cd8..000000000
--- a/notebooks/query_cellar_R.ipynb
+++ /dev/null
@@ -1,116 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    },
-    "vscode": {
-     "languageId": "r"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Installing necessary packages\n",
-    "# install.packages('RCurl')\n",
-    "# install.packages('XML')\n",
-    "install.packages('SPARQL_1.16.tar.gz', repos = NULL, type =\"source\")"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    },
-    "vscode": {
-     "languageId": "r"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Importing necessary libraries\n",
-    "library(SPARQL)\n",
-    "\n",
-    "# Preparing link to endpoint\n",
-    "query_endpoint <- \"https://publications.europa.eu/webapi/rdf/sparql\"\n",
-    "\n",
-    "# Preparing query\n",
-    "query <- '\n",
-    "PREFIX epo: <http://data.europa.eu/a4g/ontology#>\n",
-    "PREFIX cccev: <http://data.europa.eu/m8g/>\n",
-    "SELECT (COUNT (DISTINCT(?Notice)) as ?NrOfNotices) WHERE {\n",
-    "    ?Notice epo:hasPublicationDate ?Date .\n",
-    "    ?Notice epo:announcesRole ?Buyer .\n",
-    "    ?Buyer epo:playedBy ?Organization .\n",
-    "    ?Oganization epo:hasBusinessSize <http://publications.europa.eu/resource/authority/economic-operator-size/sme> .\n",
-    "    ?Organization cccev:registeredAddress / epo:hasCountryCode <http://publications.europa.eu/resource/authority/country/DEU> .\n",
-    "    VALUES ?Date {\n",
-    "        \"20230905\" \"20230906\"\n",
-    "    }\n",
-    "}\n",
-    "'"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    },
-    "vscode": {
-     "languageId": "r"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Quering endpoint\n",
-    "query_data <- SPARQL(query_endpoint, query)\n",
-    "\n",
-    "# Access results as table (dataframe)\n",
-    "data_frame <- query_data$results"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "pycharm": {
-     "name": "#%%\n"
-    },
-    "vscode": {
-     "languageId": "r"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Print result\n",
-    "print(data_frame)"
-   ]
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "R",
-   "language": "R",
-   "name": "ir"
-  },
-  "language_info": {
-   "codemirror_mode": "r",
-   "file_extension": ".r",
-   "mimetype": "text/x-r-source",
-   "name": "R",
-   "pygments_lexer": "r",
-   "version": "4.2.2"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 0
-}
diff --git a/notebooks/query_cellar_python.ipynb b/notebooks/query_cellar_python.ipynb
deleted file mode 100644
index a9371c1a7..000000000
--- a/notebooks/query_cellar_python.ipynb
+++ /dev/null
@@ -1,129 +0,0 @@
-{
- "cells": [
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Uncomment last line of this cell (by deleting #) to install necessary dependencies.\n",
-    "\n",
-    "#!pip install sparqlwrapper pandas Jinja2"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Import dependencies\n",
-    "from io import StringIO\n",
-    "from SPARQLWrapper import SPARQLWrapper, CSV\n",
-    "from pandas import read_csv\n",
-    "\n",
-    "# Prepare variable with sparql endpoint\n",
-    "QUERY_ENDPOINT: str = 'https://publications.europa.eu/webapi/rdf/sparql'\n",
-    "\n",
-    "# Example of sparql query\n",
-    "SPARQL_QUERY: str = \"\"\"\n",
-    "PREFIX epo: <http://data.europa.eu/a4g/ontology#>\n",
-    "PREFIX cccev: <http://data.europa.eu/m8g/>\n",
-    " \n",
-    "SELECT (COUNT (DISTINCT (?Notice)) as ?NrOfNotices) WHERE { \n",
-    " \n",
-    "    ?Notice epo:hasPublicationDate ?Date .\n",
-    "    ?Notice epo:announcesRole ?Buyer .\n",
-    "    ?Buyer epo:playedBy ?Organization .\n",
-    "    ?Organization cccev:registeredAddress / epo:hasCountryCode <http://publications.europa.eu/resource/authority/country/DEU> .\n",
-    "\n",
-    "    VALUES ?Date {\n",
-    "    \"20230905\" \"20230906\"\n",
-    "    }\n",
-    "}\n",
-    "\"\"\""
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Prepare connection to sparql endpoint\n",
-    "sparql_endpoint = SPARQLWrapper(QUERY_ENDPOINT)\n",
-    "sparql_endpoint.setQuery(SPARQL_QUERY)\n",
-    "sparql_endpoint.setReturnFormat(CSV)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Request for query\n",
-    "endpoint_result = sparql_endpoint.query().convert()\n",
-    "# Convert endpoint result to table (dataframe)\n",
-    "result_data = StringIO(str(endpoint_result, 'utf-8'))\n",
-    "result_dataframe = read_csv(result_data)"
-   ]
-  },
-  {
-   "cell_type": "code",
-   "execution_count": null,
-   "metadata": {
-    "collapsed": false,
-    "pycharm": {
-     "name": "#%%\n"
-    }
-   },
-   "outputs": [],
-   "source": [
-    "# Print result\n",
-    "result_dataframe.style"
-   ]
-  }
- ],
- "metadata": {
-  "kernelspec": {
-   "display_name": "Python 3",
-   "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": "3.8.10"
-  }
- },
- "nbformat": 4,
- "nbformat_minor": 0
-}
diff --git a/notebooks/sample_application.xlsx b/notebooks/sample_application.xlsx
deleted file mode 100644
index 0e19e22cd..000000000
Binary files a/notebooks/sample_application.xlsx and /dev/null differ