{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Journal Names\n",
    "\n",
    "Questions in the context of fuzzy matching.\n",
    "\n",
    "* How many journal names appear more than once?\n",
    "* What is the average length of the duplicated names vs the unique names?\n",
    "\n",
    "\n",
    "Input file is a single larger JSON, mapping names to issns.\n",
    "```json\n",
    "{\n",
    "  \"Acta Orientalia.\": [\n",
    "    \"0001-6438\"\n",
    "  ],\n",
    "  \"Acta Orientalia (København)\": [\n",
    "    \"0001-6438\"\n",
    "  ],\n",
    "..\n",
    "```"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [],
   "source": [
    "import json\n",
    "import pandas as pd"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "with open(\"../data/name_to_issn.json\") as f:\n",
    "    mapping = json.load(f)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "We have about 3M keys."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2929727"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(mapping)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [],
   "source": [
    "df = pd.DataFrame(((k, len(v)) for k, v in mapping.items()), columns=[\"name\", \"issn_count\"])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "2929727"
      ]
     },
     "execution_count": 5,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(df)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>0</th>\n",
       "      <td>Acta Orientalia.</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1</th>\n",
       "      <td>Acta Orientalia (København)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2</th>\n",
       "      <td>˜The œpublishers weekly.</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3</th>\n",
       "      <td>Publishers weekly</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>4</th>\n",
       "      <td>ASMT news</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                          name  issn_count\n",
       "0             Acta Orientalia.           1\n",
       "1  Acta Orientalia (København)           1\n",
       "2     ˜The œpublishers weekly.           1\n",
       "3            Publishers weekly           1\n",
       "4                    ASMT news           1"
      ]
     },
     "execution_count": 6,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df.head()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [],
   "source": [
    "unique_name = df[df.issn_count == 1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [],
   "source": [
    "repeated_names = df[df.issn_count > 1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "194241"
      ]
     },
     "execution_count": 9,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(repeated_names)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.06630003409874026"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(repeated_names) / len(df)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "About 6% (or 194241) names are repeated. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>count</th>\n",
       "      <td>194241.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>mean</th>\n",
       "      <td>3.197523</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>std</th>\n",
       "      <td>25.081605</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>min</th>\n",
       "      <td>2.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>25%</th>\n",
       "      <td>2.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>50%</th>\n",
       "      <td>2.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>75%</th>\n",
       "      <td>2.000000</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>max</th>\n",
       "      <td>8980.000000</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "          issn_count\n",
       "count  194241.000000\n",
       "mean        3.197523\n",
       "std        25.081605\n",
       "min         2.000000\n",
       "25%         2.000000\n",
       "50%         2.000000\n",
       "75%         2.000000\n",
       "max      8980.000000"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names.describe()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Which name is shared by over 8000 ISSN?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "name          Annual report.\n",
       "issn_count              8980\n",
       "Name: 45907, dtype: object"
      ]
     },
     "execution_count": 12,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names.iloc[repeated_names.issn_count.argmax()] # Annual report."
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "It is the \"Annual report.\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['0706-537X',\n",
       " '1186-7957',\n",
       " '2324-1926',\n",
       " '1445-9248',\n",
       " '0872-3982',\n",
       " '1714-1524',\n",
       " '1037-8812',\n",
       " '0225-0241',\n",
       " '1327-6344',\n",
       " '0702-7702']"
      ]
     },
     "execution_count": 13,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"Annual report.\"][:10]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "On average a repeated name will point to 3 ISSN. About 24k names point to more than 3 ISSN."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "24107"
      ]
     },
     "execution_count": 14,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(repeated_names[repeated_names.issn_count > 3])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>395908</th>\n",
       "      <td>Criminal trial manual.</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>336247</th>\n",
       "      <td>Mesures.</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2242923</th>\n",
       "      <td>Tinere speranţe.</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>380962</th>\n",
       "      <td>Résistances.</td>\n",
       "      <td>5</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>823415</th>\n",
       "      <td>˜Le œPaysan.</td>\n",
       "      <td>14</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>157897</th>\n",
       "      <td>Barron's regents exams and answers.</td>\n",
       "      <td>18</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>468031</th>\n",
       "      <td>Revista científica.</td>\n",
       "      <td>14</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1102294</th>\n",
       "      <td>Kotoba to bunka.</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2049420</th>\n",
       "      <td>˜L'œHarmonie.</td>\n",
       "      <td>7</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>10843</th>\n",
       "      <td>Design.</td>\n",
       "      <td>14</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                        name  issn_count\n",
       "395908                Criminal trial manual.           4\n",
       "336247                              Mesures.           4\n",
       "2242923                     Tinere speranţe.           4\n",
       "380962                          Résistances.           5\n",
       "823415                          ˜Le œPaysan.          14\n",
       "157897   Barron's regents exams and answers.          18\n",
       "468031                   Revista científica.          14\n",
       "1102294                     Kotoba to bunka.           4\n",
       "2049420                        ˜L'œHarmonie.           7\n",
       "10843                                Design.          14"
      ]
     },
     "execution_count": 15,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 3].sample(n=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['1285-9133',\n",
       " '1480-4670',\n",
       " '1487-5349',\n",
       " '1724-6598',\n",
       " '2183-0134',\n",
       " '2538-693X',\n",
       " '2610-8933',\n",
       " '2035-8326',\n",
       " '2295-9084',\n",
       " '1517-8889',\n",
       " '2249-5053',\n",
       " '2420-9198',\n",
       " '2654-9263',\n",
       " '2610-8925',\n",
       " '1158-9574',\n",
       " '0872-4784',\n",
       " '0379-8402']"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"Philosophica.\"]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<AxesSubplot:>"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 3].issn_count.hist(bins=20)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<AxesSubplot:>"
      ]
     },
     "execution_count": 18,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "repeated_names[(repeated_names.issn_count > 3) & (repeated_names.issn_count < 50)].issn_count.hist(bins=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<AxesSubplot:>"
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "repeated_names[(repeated_names.issn_count > 3) & (repeated_names.issn_count < 20)].issn_count.hist(bins=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<AxesSubplot:>"
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": 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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "repeated_names[(repeated_names.issn_count > 3) & (repeated_names.issn_count < 8)].issn_count.hist()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<AxesSubplot:>"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    },
    {
     "data": {
      "image/png": "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\n",
      "text/plain": [
       "<Figure size 432x288 with 1 Axes>"
      ]
     },
     "metadata": {
      "needs_background": "light"
     },
     "output_type": "display_data"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 1000].issn_count.hist(bins=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>3499</th>\n",
       "      <td>Bulletin.</td>\n",
       "      <td>2752</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7632</th>\n",
       "      <td>Newsletter.</td>\n",
       "      <td>2715</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8317</th>\n",
       "      <td>Rapport.</td>\n",
       "      <td>1050</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23662</th>\n",
       "      <td>Proceedings.</td>\n",
       "      <td>1403</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45839</th>\n",
       "      <td>Annual report /</td>\n",
       "      <td>1090</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45907</th>\n",
       "      <td>Annual report.</td>\n",
       "      <td>8980</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45964</th>\n",
       "      <td>Annuaire.</td>\n",
       "      <td>1260</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47217</th>\n",
       "      <td>Rapport annuel.</td>\n",
       "      <td>2656</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                  name  issn_count\n",
       "3499         Bulletin.        2752\n",
       "7632       Newsletter.        2715\n",
       "8317          Rapport.        1050\n",
       "23662     Proceedings.        1403\n",
       "45839  Annual report /        1090\n",
       "45907   Annual report.        8980\n",
       "45964        Annuaire.        1260\n",
       "47217  Rapport annuel.        2656"
      ]
     },
     "execution_count": 22,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 1000]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>102</th>\n",
       "      <td>Bulletin d'information.</td>\n",
       "      <td>693</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3218</th>\n",
       "      <td>Bulletin de liaison.</td>\n",
       "      <td>510</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3499</th>\n",
       "      <td>Bulletin.</td>\n",
       "      <td>2752</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>7632</th>\n",
       "      <td>Newsletter.</td>\n",
       "      <td>2715</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>8317</th>\n",
       "      <td>Rapport.</td>\n",
       "      <td>1050</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23662</th>\n",
       "      <td>Proceedings.</td>\n",
       "      <td>1403</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45794</th>\n",
       "      <td>Report.</td>\n",
       "      <td>743</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45839</th>\n",
       "      <td>Annual report /</td>\n",
       "      <td>1090</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45907</th>\n",
       "      <td>Annual report.</td>\n",
       "      <td>8980</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>45964</th>\n",
       "      <td>Annuaire.</td>\n",
       "      <td>1260</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>46370</th>\n",
       "      <td>Jaarverslag.</td>\n",
       "      <td>675</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47142</th>\n",
       "      <td>Rapport d'activité.</td>\n",
       "      <td>660</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>47217</th>\n",
       "      <td>Rapport annuel.</td>\n",
       "      <td>2656</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>49289</th>\n",
       "      <td>Jahresbericht.</td>\n",
       "      <td>518</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>57558</th>\n",
       "      <td>Annual report</td>\n",
       "      <td>760</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>121599</th>\n",
       "      <td>Alumni directory /</td>\n",
       "      <td>511</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>128827</th>\n",
       "      <td>Bulletin municipal.</td>\n",
       "      <td>521</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>150529</th>\n",
       "      <td>˜La œLettre.</td>\n",
       "      <td>623</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>168933</th>\n",
       "      <td>Local climatological data.</td>\n",
       "      <td>613</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>269004</th>\n",
       "      <td>Estimates.</td>\n",
       "      <td>535</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                              name  issn_count\n",
       "102        Bulletin d'information.         693\n",
       "3218          Bulletin de liaison.         510\n",
       "3499                     Bulletin.        2752\n",
       "7632                   Newsletter.        2715\n",
       "8317                      Rapport.        1050\n",
       "23662                 Proceedings.        1403\n",
       "45794                      Report.         743\n",
       "45839              Annual report /        1090\n",
       "45907               Annual report.        8980\n",
       "45964                    Annuaire.        1260\n",
       "46370                 Jaarverslag.         675\n",
       "47142          Rapport d'activité.         660\n",
       "47217              Rapport annuel.        2656\n",
       "49289               Jahresbericht.         518\n",
       "57558                Annual report         760\n",
       "121599          Alumni directory /         511\n",
       "128827         Bulletin municipal.         521\n",
       "150529                ˜La œLettre.         623\n",
       "168933  Local climatological data.         613\n",
       "269004                  Estimates.         535"
      ]
     },
     "execution_count": 23,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 500]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>102</th>\n",
       "      <td>Bulletin d'information.</td>\n",
       "      <td>693</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2665</th>\n",
       "      <td>Newsletter /</td>\n",
       "      <td>259</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3218</th>\n",
       "      <td>Bulletin de liaison.</td>\n",
       "      <td>510</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3499</th>\n",
       "      <td>Bulletin.</td>\n",
       "      <td>2752</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3926</th>\n",
       "      <td>Boletín.</td>\n",
       "      <td>216</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>425644</th>\n",
       "      <td>Rapport d'activité ...</td>\n",
       "      <td>394</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>532500</th>\n",
       "      <td>Relatório e contas.</td>\n",
       "      <td>247</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>603144</th>\n",
       "      <td>Bildung und Beruf regional.</td>\n",
       "      <td>292</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1006131</th>\n",
       "      <td>Vies de famille.</td>\n",
       "      <td>222</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1110247</th>\n",
       "      <td>Country risk service.</td>\n",
       "      <td>271</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>66 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                name  issn_count\n",
       "102          Bulletin d'information.         693\n",
       "2665                    Newsletter /         259\n",
       "3218            Bulletin de liaison.         510\n",
       "3499                       Bulletin.        2752\n",
       "3926                        Boletín.         216\n",
       "...                              ...         ...\n",
       "425644        Rapport d'activité ...         394\n",
       "532500           Relatório e contas.         247\n",
       "603144   Bildung und Beruf regional.         292\n",
       "1006131             Vies de famille.         222\n",
       "1110247        Country risk service.         271\n",
       "\n",
       "[66 rows x 2 columns]"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 200]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>102</th>\n",
       "      <td>Bulletin d'information.</td>\n",
       "      <td>693</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2665</th>\n",
       "      <td>Newsletter /</td>\n",
       "      <td>259</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3218</th>\n",
       "      <td>Bulletin de liaison.</td>\n",
       "      <td>510</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3499</th>\n",
       "      <td>Bulletin.</td>\n",
       "      <td>2752</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>3926</th>\n",
       "      <td>Boletín.</td>\n",
       "      <td>216</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1306798</th>\n",
       "      <td>Country commerce.</td>\n",
       "      <td>120</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1318569</th>\n",
       "      <td>Bible studies for life.</td>\n",
       "      <td>159</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1796742</th>\n",
       "      <td>LexisNexis practice guide.</td>\n",
       "      <td>101</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2628387</th>\n",
       "      <td>Operational risk report.</td>\n",
       "      <td>119</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2650557</th>\n",
       "      <td>Interempresas net.</td>\n",
       "      <td>108</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>191 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                               name  issn_count\n",
       "102         Bulletin d'information.         693\n",
       "2665                   Newsletter /         259\n",
       "3218           Bulletin de liaison.         510\n",
       "3499                      Bulletin.        2752\n",
       "3926                       Boletín.         216\n",
       "...                             ...         ...\n",
       "1306798           Country commerce.         120\n",
       "1318569     Bible studies for life.         159\n",
       "1796742  LexisNexis practice guide.         101\n",
       "2628387    Operational risk report.         119\n",
       "2650557          Interempresas net.         108\n",
       "\n",
       "[191 rows x 2 columns]"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names[repeated_names.issn_count > 100]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>5</th>\n",
       "      <td>Activitas Nervosa Superior.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>11</th>\n",
       "      <td>Library journal.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>23</th>\n",
       "      <td>Acta cardiologica.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>26</th>\n",
       "      <td>Actualidad económica.</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>31</th>\n",
       "      <td>Acta Ornithologica.</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929626</th>\n",
       "      <td>Modern machine shop México.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929635</th>\n",
       "      <td>Lecture notes in control and information scien...</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929646</th>\n",
       "      <td>Critical Studies in Dance Leadership and Inclu...</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929691</th>\n",
       "      <td>Nigerian Journal of Wildlife Management</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929702</th>\n",
       "      <td>Verzeichniss der Kunstwerke lebender Künstler,...</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>194241 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                      name  issn_count\n",
       "5                              Activitas Nervosa Superior.           2\n",
       "11                                        Library journal.           2\n",
       "23                                      Acta cardiologica.           2\n",
       "26                                   Actualidad económica.           3\n",
       "31                                     Acta Ornithologica.           3\n",
       "...                                                    ...         ...\n",
       "2929626                        Modern machine shop México.           2\n",
       "2929635  Lecture notes in control and information scien...           2\n",
       "2929646  Critical Studies in Dance Leadership and Inclu...           2\n",
       "2929691            Nigerian Journal of Wildlife Management           2\n",
       "2929702  Verzeichniss der Kunstwerke lebender Künstler,...           2\n",
       "\n",
       "[194241 rows x 2 columns]"
      ]
     },
     "execution_count": 26,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "If a name matches a repeated name exactly or fuzzy matches to a repeated name and there is not other information available, the match status must be ambigious."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['2735-928X', '2735-9298']"
      ]
     },
     "execution_count": 28,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"Nigerian Journal of Wildlife Management\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "These are two ISSN refering to the same journal."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [],
   "source": [
    "import requests"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "{'@graph': [{'@id': 'http://id.loc.gov/vocabulary/countries/nr',\n",
       "   'label': 'Nigeria'},\n",
       "  {'@id': 'organization/ISSNCenter#_e',\n",
       "   '@type': 'http://schema.org/Organization'},\n",
       "  {'@id': 'resource/ISSN-L/2735-9298',\n",
       "   'identifiedBy': 'resource/ISSN/2735-928X#ISSN-L'},\n",
       "  {'@id': 'resource/ISSN/2735-928X',\n",
       "   '@type': ['http://id.loc.gov/ontologies/bibframe/Work',\n",
       "    'http://id.loc.gov/ontologies/bibframe/Instance',\n",
       "    'http://schema.org/Periodical'],\n",
       "   'identifiedBy': ['resource/ISSN/2735-928X#ISSN-L',\n",
       "    'resource/ISSN/2735-928X#ISSN',\n",
       "    'resource/ISSN/2735-928X#KeyTitle'],\n",
       "   'mainTitle': 'Nigerian Journal of Wildlife Management',\n",
       "   'otherPhysicalFormat': 'resource/ISSN/2735-9298',\n",
       "   'title': 'resource/ISSN/2735-928X#KeyTitle',\n",
       "   'format': 'vocabularies/medium#Online',\n",
       "   'identifier': '2735-928X',\n",
       "   'isFormatOf': 'resource/ISSN/2735-9298',\n",
       "   'type': 'http://marc21rdf.info/terms/formofmaterial#a',\n",
       "   'http://purl.org/ontology/bibo/issn': '2735-928X',\n",
       "   'isPartOf': 'resource/ISSN-L/2735-9298',\n",
       "   'issn': '2735-928X',\n",
       "   'name': ['Nigerian JOurnal of Wildlife Management (Ondo. Online)',\n",
       "    'Nigerian Journal of Wildlife Management'],\n",
       "   'publication': 'resource/ISSN/2735-928X#ReferencePublicationEvent',\n",
       "   'url': 'http://www.wildlifesociety.ng.org/'},\n",
       "  {'@id': 'resource/ISSN/2735-928X#ISSN',\n",
       "   '@type': 'http://id.loc.gov/ontologies/bibframe/Issn',\n",
       "   'status': 'vocabularies/IdentifierStatus#Valid',\n",
       "   'value': '2735-928X'},\n",
       "  {'@id': 'resource/ISSN/2735-928X#ISSN-L',\n",
       "   '@type': 'http://id.loc.gov/ontologies/bibframe/IssnL',\n",
       "   'status': 'vocabularies/IdentifierStatus#Valid',\n",
       "   'value': '2735-9298'},\n",
       "  {'@id': 'resource/ISSN/2735-928X#KeyTitle',\n",
       "   '@type': ['http://id.loc.gov/ontologies/bibframe/Identifier',\n",
       "    'http://id.loc.gov/ontologies/bibframe/KeyTitle'],\n",
       "   'value': 'Nigerian JOurnal of Wildlife Management (Ondo. Online)'},\n",
       "  {'@id': 'resource/ISSN/2735-928X#Record',\n",
       "   '@type': 'http://schema.org/CreativeWork',\n",
       "   'status': 'vocabularies/RecordStatus#Register',\n",
       "   'modified': '20200808163600.0',\n",
       "   'mainEntity': 'resource/ISSN/2735-928X',\n",
       "   'wasAttributedTo': 'organization/ISSNCenter#_e'},\n",
       "  {'@id': 'resource/ISSN/2735-928X#ReferencePublicationEvent',\n",
       "   '@type': 'http://schema.org/PublicationEvent',\n",
       "   'location': 'http://id.loc.gov/vocabulary/countries/nr'}],\n",
       " '@context': {'status': {'@id': 'http://id.loc.gov/ontologies/bibframe/status',\n",
       "   '@type': '@id'},\n",
       "  'value': {'@id': 'http://www.w3.org/1999/02/22-rdf-syntax-ns#value'},\n",
       "  'publication': {'@id': 'http://schema.org/publication', '@type': '@id'},\n",
       "  'mainTitle': {'@id': 'http://id.loc.gov/ontologies/bibframe/mainTitle'},\n",
       "  'title': {'@id': 'http://id.loc.gov/ontologies/bibframe/title',\n",
       "   '@type': '@id'},\n",
       "  'name': {'@id': 'http://schema.org/name'},\n",
       "  'issn': {'@id': 'http://schema.org/issn'},\n",
       "  'format': {'@id': 'http://purl.org/dc/elements/1.1/format', '@type': '@id'},\n",
       "  'url': {'@id': 'http://schema.org/url'},\n",
       "  'identifiedBy': {'@id': 'http://id.loc.gov/ontologies/bibframe/identifiedBy',\n",
       "   '@type': '@id'},\n",
       "  'otherPhysicalFormat': {'@id': 'http://id.loc.gov/ontologies/bibframe/otherPhysicalFormat',\n",
       "   '@type': '@id'},\n",
       "  'isPartOf': {'@id': 'http://schema.org/isPartOf', '@type': '@id'},\n",
       "  'type': {'@id': 'http://purl.org/dc/terms/type', '@type': '@id'},\n",
       "  'identifier': {'@id': 'http://purl.org/dc/elements/1.1/identifier'},\n",
       "  'isFormatOf': {'@id': 'http://purl.org/dc/terms/isFormatOf', '@type': '@id'},\n",
       "  'wasAttributedTo': {'@id': 'http://www.w3.org/ns/prov#wasAttributedTo',\n",
       "   '@type': '@id'},\n",
       "  'mainEntity': {'@id': 'http://schema.org/mainEntity', '@type': '@id'},\n",
       "  'modified': {'@id': 'http://purl.org/dc/terms/modified',\n",
       "   '@type': 'http://www.w3.org/2001/XMLSchema#dateTime'},\n",
       "  'location': {'@id': 'http://schema.org/location', '@type': '@id'},\n",
       "  'label': {'@id': 'http://www.w3.org/2000/01/rdf-schema#label'}}}"
      ]
     },
     "execution_count": 30,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "requests.get(\"https://portal.issn.org/resource/ISSN/2735-928X?format=json\").json()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "Interestingly, most (93%) journal do not seem to have the distinction between electronic and print. "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "0.9336999659012597"
      ]
     },
     "execution_count": 32,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "len(unique_name) / len(df)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
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       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
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       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>702322</th>\n",
       "      <td>International accounting and auditing standards</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>39992</th>\n",
       "      <td>Varaždinske vijesti (Tisak)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1722785</th>\n",
       "      <td>Nihon Shuwa Gakkai Taikai yokoushuu</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2598901</th>\n",
       "      <td>Solidarité laïque</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2408544</th>\n",
       "      <td>AUP!</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1785394</th>\n",
       "      <td>˜The œASHRAE handbook CD. HVAC applications</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>325078</th>\n",
       "      <td>Kampō iyaku</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>49595</th>\n",
       "      <td>Fieldiana. Anthropology</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>110831</th>\n",
       "      <td>Vyčislitelʹnaâ matematika i matematičeskaâ fiz...</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2880661</th>\n",
       "      <td>The Assembly Reporters Africa ( Abuja)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                      name  issn_count\n",
       "702322     International accounting and auditing standards           1\n",
       "39992                          Varaždinske vijesti (Tisak)           1\n",
       "1722785                Nihon Shuwa Gakkai Taikai yokoushuu           1\n",
       "2598901                                  Solidarité laïque           1\n",
       "2408544                                               AUP!           1\n",
       "1785394        ˜The œASHRAE handbook CD. HVAC applications           1\n",
       "325078                                        Kampō iyaku           1\n",
       "49595                              Fieldiana. Anthropology           1\n",
       "110831   Vyčislitelʹnaâ matematika i matematičeskaâ fiz...           1\n",
       "2880661             The Assembly Reporters Africa ( Abuja)           1"
      ]
     },
     "execution_count": 35,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "unique_name.sample(n=10)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Example \"Fieldiana\"\n",
    "\n",
    "* \"Fieldiana. Anthropology\"\n",
    "* https://www.jstor.org/journal/fieldianaanthro"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['0071-4739']"
      ]
     },
     "execution_count": 36,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"Fieldiana. Anthropology\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "However, jstor reports two ISSN: INSSP: 0071-4739, EISSN: 2162-4321 - but ISSN.org does not know about it?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 47,
   "metadata": {},
   "outputs": [],
   "source": [
    "unique_issn = set([item for v in mapping.values() for item in v])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 48,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "True"
      ]
     },
     "execution_count": 48,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"2162-4321\" in unique_issn"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 51,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Fieldiana. ['2163-7105', '2162-4321', '0096-0438', '0015-0746', '0096-2651', '0097-3572', '2162-4267', '0015-0754', '0071-4739', '2162-4348', '2162-4291', '2158-5520']\n",
      "Fieldiana. Anthropology (Online) ['2162-4321']\n"
     ]
    }
   ],
   "source": [
    "for k, v in mapping.items():\n",
    "    if \"2162-4321\" in v:\n",
    "        print(k, v)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "As an example: when given a string like \"Fieldiana\" we would return ambiguous. But \"Fieldiana. (Online)\" might be matched to '2162-4321'. "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Other Examples"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 53,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
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       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>2190239</th>\n",
       "      <td>Mediazine.</td>\n",
       "      <td>4</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>396642</th>\n",
       "      <td>San Bernardino County popular street atlas</td>\n",
       "      <td>3</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>510019</th>\n",
       "      <td>˜L'œesquisse.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1517119</th>\n",
       "      <td>Developing mental health.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1853045</th>\n",
       "      <td>Jan Dix</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1021374</th>\n",
       "      <td>Rennes 1 campus.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>746313</th>\n",
       "      <td>Russian journal of coordination chemistry.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1087451</th>\n",
       "      <td>Pomorac.</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>109465</th>\n",
       "      <td>Bloknot agitatora.</td>\n",
       "      <td>36</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1154969</th>\n",
       "      <td>Estonia :</td>\n",
       "      <td>2</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "</div>"
      ],
      "text/plain": [
       "                                               name  issn_count\n",
       "2190239                                  Mediazine.           4\n",
       "396642   San Bernardino County popular street atlas           3\n",
       "510019                                ˜L'œesquisse.           2\n",
       "1517119                   Developing mental health.           2\n",
       "1853045                                     Jan Dix           2\n",
       "1021374                            Rennes 1 campus.           2\n",
       "746313   Russian journal of coordination chemistry.           2\n",
       "1087451                                    Pomorac.           2\n",
       "109465                           Bloknot agitatora.          36\n",
       "1154969                                   Estonia :           2"
      ]
     },
     "execution_count": 53,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "repeated_names.sample(n=10)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 54,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['1608-3318', '1070-3284']"
      ]
     },
     "execution_count": 54,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"Russian journal of coordination chemistry.\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "A new question: How many journals are listed under different names, yet still refer to the same journal?"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 57,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "['0733-7167', '0733-7159', '0733-2289']"
      ]
     },
     "execution_count": 57,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "mapping[\"San Bernardino County popular street atlas\"]"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Journal of ..."
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 61,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/html": [
       "<div>\n",
       "<style scoped>\n",
       "    .dataframe tbody tr th:only-of-type {\n",
       "        vertical-align: middle;\n",
       "    }\n",
       "\n",
       "    .dataframe tbody tr th {\n",
       "        vertical-align: top;\n",
       "    }\n",
       "\n",
       "    .dataframe thead th {\n",
       "        text-align: right;\n",
       "    }\n",
       "</style>\n",
       "<table border=\"1\" class=\"dataframe\">\n",
       "  <thead>\n",
       "    <tr style=\"text-align: right;\">\n",
       "      <th></th>\n",
       "      <th>name</th>\n",
       "      <th>issn_count</th>\n",
       "    </tr>\n",
       "  </thead>\n",
       "  <tbody>\n",
       "    <tr>\n",
       "      <th>977</th>\n",
       "      <td>Journal of vocational behavior.</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>978</th>\n",
       "      <td>Journal of vocational behavior (Print)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1206</th>\n",
       "      <td>Journal of American Concrete Institute.</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1207</th>\n",
       "      <td>Journal of the American Concrete Institute</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>1310</th>\n",
       "      <td>Journal of the American Dental Hygienists' Ass...</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>...</th>\n",
       "      <td>...</td>\n",
       "      <td>...</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929340</th>\n",
       "      <td>Journal of surgical procedures and case reports</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929448</th>\n",
       "      <td>Journal of Epidermiological Society of Nigeria...</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929449</th>\n",
       "      <td>Journal of Epidermiological Society of Nigeria</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929663</th>\n",
       "      <td>Journal of Practicing Teachers</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "    <tr>\n",
       "      <th>2929664</th>\n",
       "      <td>Journal of Practicing Teachers (Uyo. Online)</td>\n",
       "      <td>1</td>\n",
       "    </tr>\n",
       "  </tbody>\n",
       "</table>\n",
       "<p>40190 rows × 2 columns</p>\n",
       "</div>"
      ],
      "text/plain": [
       "                                                      name  issn_count\n",
       "977                        Journal of vocational behavior.           1\n",
       "978                 Journal of vocational behavior (Print)           1\n",
       "1206               Journal of American Concrete Institute.           1\n",
       "1207            Journal of the American Concrete Institute           1\n",
       "1310     Journal of the American Dental Hygienists' Ass...           1\n",
       "...                                                    ...         ...\n",
       "2929340    Journal of surgical procedures and case reports           1\n",
       "2929448  Journal of Epidermiological Society of Nigeria...           1\n",
       "2929449     Journal of Epidermiological Society of Nigeria           1\n",
       "2929663                     Journal of Practicing Teachers           1\n",
       "2929664       Journal of Practicing Teachers (Uyo. Online)           1\n",
       "\n",
       "[40190 rows x 2 columns]"
      ]
     },
     "execution_count": 61,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "df[df.name.str.startswith(\"Journal of\")]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
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