2.accessing-sparql-interface.ipynb

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 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Resolving the binderhub instance URL"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "from IPython.core.display import HTML \n",
    "import os"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "%env SERVER_URL   hub.gke.mybinder.org\n",
    "%env PROXY_SUBURL proxy/8890/sparql"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "url_message='<b>SPARQL interface is available at:</b> <a href=\"http://{0}{1}{2}\" target=\"_blank\"> http://{0}{1}{2}</a>'\n",
    "display(HTML(url_message.format(os.environ['SERVER_URL'],os.environ['JUPYTERHUB_SERVICE_PREFIX'],os.environ['PROXY_SUBURL'])))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Allowing the SPARQL Interface to execute SPARQL INSERTs"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    "! isql-vt EXEC='grant execute on \"DB.DBA.EXEC_AS\" to \"SPARQL\";'\n",
    "! isql-vt EXEC='grant execute on \"DB.DBA.SPARQL_INSERT_DICT_CONTENT\" to \"SPARQL\";'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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