{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Basic SPARQLProg example\n",
    "\n",
    "Walkthrough of basic commands"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "from prologterms import TermGenerator, PrologRenderer, Program, Var\n",
    "from sparqlprog import SPARQLProg\n",
    "P = TermGenerator()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "server = 'http://localhost:9083'\n",
    "# server = 'https://evening-falls-87315.herokuapp.com'\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [],
   "source": [
    "S = SPARQLProg(server=server,\n",
    "               endpoint='wd')"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### setting up a query"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "C = Var('C')\n",
    "N = Var('N')\n",
    "query = (P.continent(C), P.enlabel(C, N))"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "### running the querry\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "res = S.query(query)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "http://www.wikidata.org/entity/Q15 Africa\n",
      "http://www.wikidata.org/entity/Q18 South America\n",
      "http://www.wikidata.org/entity/Q46 Europe\n",
      "http://www.wikidata.org/entity/Q48 Asia\n",
      "http://www.wikidata.org/entity/Q49 North America\n",
      "http://www.wikidata.org/entity/Q51 Antarctica\n",
      "http://www.wikidata.org/entity/Q538 Oceania\n",
      "http://www.wikidata.org/entity/Q3960 Australia\n"
     ]
    }
   ],
   "source": [
    "for r in res:\n",
    "    print(f\"{r['C']} {r['N']}\")"
   ]
  }
 ],
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