pos_entity-tree.ipynb

{
 "cells": [
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {
    "collapsed": true
   },
   "outputs": [],
   "source": [
    "import nltk"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [],
   "source": [
    "s = 'Albert Einstien was great scientist'"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [],
   "source": [
    "tags = nltk.pos_tag(s.split())\n",
    "#or\n",
    "tokens = nltk.word_tokenize(s)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "from nltk.stem import WordNetLemmatizer"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'wolf'"
      ]
     },
     "execution_count": 7,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "lemmatizer = WordNetLemmatizer()\n",
    "lemmatizer.lemmatize('wolves')"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "ename": "LookupError",
     "evalue": "\n\n===========================================================================\nNLTK was unable to find the gs file!\nUse software specific configuration paramaters or set the PATH environment variable.\n===========================================================================",
     "traceback": [
      "\u001b[1;31m---------------------------------------------------------------------------\u001b[0m",
      "\u001b[1;31mLookupError\u001b[0m                               Traceback (most recent call last)",
      "\u001b[1;32mC:\\Anaconda3\\lib\\site-packages\\IPython\\core\\formatters.py\u001b[0m in \u001b[0;36m__call__\u001b[1;34m(self, obj)\u001b[0m\n\u001b[0;32m    343\u001b[0m             \u001b[0mmethod\u001b[0m \u001b[1;33m=\u001b[0m \u001b[0mget_real_method\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mobj\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mself\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mprint_method\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    344\u001b[0m             \u001b[1;32mif\u001b[0m \u001b[0mmethod\u001b[0m \u001b[1;32mis\u001b[0m \u001b[1;32mnot\u001b[0m \u001b[1;32mNone\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 345\u001b[1;33m                 \u001b[1;32mreturn\u001b[0m \u001b[0mmethod\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    346\u001b[0m             \u001b[1;32mreturn\u001b[0m \u001b[1;32mNone\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    347\u001b[0m         \u001b[1;32melse\u001b[0m\u001b[1;33m:\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;32mC:\\Anaconda3\\lib\\site-packages\\nltk\\tree.py\u001b[0m in \u001b[0;36m_repr_png_\u001b[1;34m(self)\u001b[0m\n\u001b[0;32m    728\u001b[0m             \u001b[0m_canvas_frame\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mprint_to_file\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0min_path\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    729\u001b[0m             \u001b[0m_canvas_frame\u001b[0m\u001b[1;33m.\u001b[0m\u001b[0mdestroy_widget\u001b[0m\u001b[1;33m(\u001b[0m\u001b[0mwidget\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 730\u001b[1;33m             subprocess.call([find_binary('gs', binary_names=['gswin32c.exe', 'gswin64c.exe'], env_vars=['PATH'], verbose=False)] +\n\u001b[0m\u001b[0;32m    731\u001b[0m                             \u001b[1;34m'-q -dEPSCrop -sDEVICE=png16m -r90 -dTextAlphaBits=4 -dGraphicsAlphaBits=4 -dSAFER -dBATCH -dNOPAUSE -sOutputFile={0:} {1:}'\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    732\u001b[0m                             .format(out_path, in_path).split())\n",
      "\u001b[1;32mC:\\Anaconda3\\lib\\site-packages\\nltk\\__init__.py\u001b[0m in \u001b[0;36mfind_binary\u001b[1;34m(name, path_to_bin, env_vars, searchpath, binary_names, url, verbose)\u001b[0m\n\u001b[0;32m    602\u001b[0m                 binary_names=None, url=None, verbose=False):\n\u001b[0;32m    603\u001b[0m     return next(find_binary_iter(name, path_to_bin, env_vars, searchpath,\n\u001b[1;32m--> 604\u001b[1;33m                                  binary_names, url, verbose))\n\u001b[0m\u001b[0;32m    605\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    606\u001b[0m def find_jar_iter(name_pattern, path_to_jar=None, env_vars=(),\n",
      "\u001b[1;32mC:\\Anaconda3\\lib\\site-packages\\nltk\\__init__.py\u001b[0m in \u001b[0;36mfind_binary_iter\u001b[1;34m(name, path_to_bin, env_vars, searchpath, binary_names, url, verbose)\u001b[0m\n\u001b[0;32m    596\u001b[0m     \"\"\"\n\u001b[0;32m    597\u001b[0m     for file in  find_file_iter(path_to_bin or name, env_vars, searchpath, binary_names,\n\u001b[1;32m--> 598\u001b[1;33m                      url, verbose):\n\u001b[0m\u001b[0;32m    599\u001b[0m         \u001b[1;32myield\u001b[0m \u001b[0mfile\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    600\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;32mC:\\Anaconda3\\lib\\site-packages\\nltk\\__init__.py\u001b[0m in \u001b[0;36mfind_file_iter\u001b[1;34m(filename, env_vars, searchpath, file_names, url, verbose, finding_dir)\u001b[0m\n\u001b[0;32m    567\u001b[0m                         (filename, url))\n\u001b[0;32m    568\u001b[0m         \u001b[0mdiv\u001b[0m \u001b[1;33m=\u001b[0m \u001b[1;34m'='\u001b[0m\u001b[1;33m*\u001b[0m\u001b[1;36m75\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[1;32m--> 569\u001b[1;33m         \u001b[1;32mraise\u001b[0m \u001b[0mLookupError\u001b[0m\u001b[1;33m(\u001b[0m\u001b[1;34m'\\n\\n%s\\n%s\\n%s'\u001b[0m \u001b[1;33m%\u001b[0m \u001b[1;33m(\u001b[0m\u001b[0mdiv\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mmsg\u001b[0m\u001b[1;33m,\u001b[0m \u001b[0mdiv\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m)\u001b[0m\u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0m\u001b[0;32m    570\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n\u001b[0;32m    571\u001b[0m \u001b[1;33m\u001b[0m\u001b[0m\n",
      "\u001b[1;31mLookupError\u001b[0m: \n\n===========================================================================\nNLTK was unable to find the gs file!\nUse software specific configuration paramaters or set the PATH environment variable.\n==========================================================================="
     ],
     "output_type": "error"
    },
    {
     "data": {
      "text/plain": [
       "Tree('S', [Tree('PERSON', [('Albert', 'NNP')]), Tree('PERSON', [('Einstien', 'NNP')]), ('was', 'VBD'), ('great', 'JJ'), ('scientist', 'NN')])"
      ]
     },
     "execution_count": 10,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "nltk.ne_chunk(tags)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [],
   "source": [
    "x = 'Mark Zukerburg is the owner of facebook'\n",
    "tags1 = nltk.pos_tag(x.split())\n",
    "nltk.ne_chunk(tags1).draw()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": [
    ""
   ]
  }
 ],
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