add journal name notebook

author: Martin Czygan <martin.czygan@gmail.com> 2020-08-12 15:51:30 +0200
committer: Martin Czygan <martin.czygan@gmail.com> 2020-08-12 15:51:30 +0200
commit: ed3ef392cc840956a85e1e32ce443dde103d98db (patch)
tree: 770428da3dab10bb2f345c4bbfa03806912a06e1 /notebooks/Journal_Names.ipynb
parent: cb2c0aac779afca60480065fd43903e9eb271382 (diff)
download: fuzzycat-ed3ef392cc840956a85e1e32ce443dde103d98db.tar.gz
fuzzycat-ed3ef392cc840956a85e1e32ce443dde103d98db.zip
1 files changed, 1381 insertions, 0 deletions
diff --git a/notebooks/Journal_Names.ipynb b/notebooks/Journal_Names.ipynb
new file mode 100644
index 0000000..9b28d6e
--- /dev/null
+++ b/notebooks/Journal_Names.ipynb
@@ -0,0 +1,1381 @@
+{
+ "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": 4,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import json\n",
+    "import pandas as pd"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 5,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "with open(\"../data/name_to_issn.json\") as f:\n",
+    "    mapping = json.load(f)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "We have about 3M keys."
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 7,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "2929727"
+      ]
+     },
+     "execution_count": 7,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(mapping)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 21,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "df = pd.DataFrame(((k, len(v)) for k, v in mapping.items()), columns=[\"name\", \"issn_count\"])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 25,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "2929727"
+      ]
+     },
+     "execution_count": 25,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(df)"
+   ]
+  },
+  {
+   "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>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 publishers 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 publishers weekly.           1\n",
+       "3            Publishers weekly           1\n",
+       "4                    ASMT news           1"
+      ]
+     },
+     "execution_count": 26,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "df.head()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 31,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "unique_name = df[df.issn_count == 1]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 32,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "repeated_names = df[df.issn_count > 1]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 34,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "194241"
+      ]
+     },
+     "execution_count": 34,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(repeated_names)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 33,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "0.06630003409874026"
+      ]
+     },
+     "execution_count": 33,
+     "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": 35,
+   "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": 35,
+     "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": 40,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "name          Annual report.\n",
+       "issn_count              8980\n",
+       "Name: 45907, dtype: object"
+      ]
+     },
+     "execution_count": 40,
+     "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": 42,
+   "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": 42,
+     "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": 45,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "24107"
+      ]
+     },
+     "execution_count": 45,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "len(repeated_names[repeated_names.issn_count > 3])"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 49,
+   "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>322100</th>\n",
+       "      <td>Philosophica.</td>\n",
+       "      <td>17</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>183928</th>\n",
+       "      <td>Edad de oro.</td>\n",
+       "      <td>4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>294309</th>\n",
+       "      <td>Horoskop.</td>\n",
+       "      <td>10</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>517039</th>\n",
+       "      <td>Le Grand journal.</td>\n",
+       "      <td>11</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1664616</th>\n",
+       "      <td>Caleidoscop şcolar.</td>\n",
+       "      <td>4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>258430</th>\n",
+       "      <td>La Feuille.</td>\n",
+       "      <td>34</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>309546</th>\n",
+       "      <td>The Wilson quarterly.</td>\n",
+       "      <td>4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>795859</th>\n",
+       "      <td>Introductory research essay</td>\n",
+       "      <td>4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>1470838</th>\n",
+       "      <td>Publicaciones del SEMYR.</td>\n",
+       "      <td>4</td>\n",
+       "    </tr>\n",
+       "    <tr>\n",
+       "      <th>657041</th>\n",
+       "      <td>Le Kiosque.</td>\n",
+       "      <td>14</td>\n",
+       "    </tr>\n",
+       "  </tbody>\n",
+       "</table>\n",
+       "</div>"
+      ],
+      "text/plain": [
+       "                                name  issn_count\n",
+       "322100                 Philosophica.          17\n",
+       "183928                  Edad de oro.           4\n",
+       "294309                     Horoskop.          10\n",
+       "517039           Le Grand journal.          11\n",
+       "1664616          Caleidoscop şcolar.           4\n",
+       "258430                 La Feuille.          34\n",
+       "309546       The Wilson quarterly.           4\n",
+       "795859   Introductory research essay           4\n",
+       "1470838     Publicaciones del SEMYR.           4\n",
+       "657041                 Le Kiosque.          14"
+      ]
+     },
+     "execution_count": 49,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "repeated_names[repeated_names.issn_count > 3].sample(n=10)"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 50,
+   "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": 50,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "mapping[\"Philosophica.\"]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 61,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<AxesSubplot:>"
+      ]
+     },
+     "execution_count": 61,
+     "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": 60,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<AxesSubplot:>"
+      ]
+     },
+     "execution_count": 60,
+     "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": 62,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<AxesSubplot:>"
+      ]
+     },
+     "execution_count": 62,
+     "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": 64,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<AxesSubplot:>"
+      ]
+     },
+     "execution_count": 64,
+     "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": 70,
+   "metadata": {},
+   "outputs": [
+    {
+     "data": {
+      "text/plain": [
+       "<AxesSubplot:>"
+      ]
+     },
+     "execution_count": 70,
+     "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": 71,
+   "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": 71,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "repeated_names[repeated_names.issn_count > 1000]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 72,
+   "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 Lettre.</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 Lettre.         623\n",
+       "168933  Local climatological data.         613\n",
+       "269004                  Estimates.         535"
+      ]
+     },
+     "execution_count": 72,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "repeated_names[repeated_names.issn_count > 500]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 75,
+   "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": 75,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "repeated_names[repeated_names.issn_count > 200]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 76,
+   "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": 76,
+     "metadata": {},
+     "output_type": "execute_result"
+    }
+   ],
+   "source": [
+    "repeated_names[repeated_names.issn_count > 100]"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": 82,
+   "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": 82,
+     "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": null,
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "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": "3.7.8"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 4
+}
author	Martin Czygan <martin.czygan@gmail.com>	2020-08-12 15:51:30 +0200
committer	Martin Czygan <martin.czygan@gmail.com>	2020-08-12 15:51:30 +0200
commit	ed3ef392cc840956a85e1e32ce443dde103d98db (patch)
tree	770428da3dab10bb2f345c4bbfa03806912a06e1 /notebooks/Journal_Names.ipynb
parent	cb2c0aac779afca60480065fd43903e9eb271382 (diff)
download	fuzzycat-ed3ef392cc840956a85e1e32ce443dde103d98db.tar.gz fuzzycat-ed3ef392cc840956a85e1e32ce443dde103d98db.zip