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+{
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+ "cells": [
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+ {
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+ "cell_type": "markdown",
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+ "metadata": {},
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+ "source": [
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+ "# Word2Vec (Word Embedding)\n",
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+ "\n",
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+ "Implement Word2Vec algorithm to compute vector representations of words.\n",
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+ "This example is using a small chunk of Wikipedia articles to train from.\n",
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+ "\n",
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+ "More info: [Mikolov, Tomas et al. \"Efficient Estimation of Word Representations in Vector Space.\", 2013](https://arxiv.org/pdf/1301.3781.pdf)\n",
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+ "\n",
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+ "\n",
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+ "- Author: Aymeric Damien\n",
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+ "- Project: https://github.com/aymericdamien/TensorFlow-Examples/"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 1,
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+ "metadata": {
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+ "collapsed": true
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+ },
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+ "outputs": [],
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+ "source": [
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+ "from __future__ import division, print_function, absolute_import\n",
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+ "\n",
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+ "import collections\n",
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+ "import os\n",
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+ "import random\n",
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+ "import urllib\n",
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+ "import zipfile\n",
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+ "\n",
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+ "import numpy as np\n",
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+ "import tensorflow as tf"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 2,
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+ "metadata": {
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+ "collapsed": true
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+ },
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+ "outputs": [],
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+ "source": [
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+ "# Training Parameters\n",
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+ "learning_rate = 0.1\n",
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+ "batch_size = 128\n",
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+ "num_steps = 3000000\n",
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+ "display_step = 10000\n",
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+ "eval_step = 200000\n",
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+ "\n",
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+ "# Evaluation Parameters\n",
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+ "eval_words = ['five', 'of', 'going', 'hardware', 'american', 'britain']\n",
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+ "\n",
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+ "# Word2Vec Parameters\n",
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+ "embedding_size = 200 # Dimension of the embedding vector\n",
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+ "max_vocabulary_size = 50000 # Total number of different words in the vocabulary\n",
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+ "min_occurrence = 10 # Remove all words that does not appears at least n times\n",
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+ "skip_window = 3 # How many words to consider left and right\n",
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+ "num_skips = 2 # How many times to reuse an input to generate a label\n",
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+ "num_sampled = 64 # Number of negative examples to sample"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 3,
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+ "metadata": {
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+ "collapsed": false
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+ },
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+ "outputs": [
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+ {
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+ "name": "stdout",
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+ "output_type": "stream",
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+ "text": [
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+ "Downloading the dataset... (It may take some time)\n",
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+ "Done!\n"
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+ ]
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+ }
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+ ],
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+ "source": [
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+ "# Download a small chunk of Wikipedia articles collection\n",
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+ "url = 'http://mattmahoney.net/dc/text8.zip'\n",
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+ "data_path = 'text8.zip'\n",
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+ "if not os.path.exists(data_path):\n",
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+ " print(\"Downloading the dataset... (It may take some time)\")\n",
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+ " filename, _ = urllib.urlretrieve(url, data_path)\n",
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+ " print(\"Done!\")\n",
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+ "# Unzip the dataset file. Text has already been processed\n",
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+ "with zipfile.ZipFile(data_path) as f:\n",
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+ " text_words = f.read(f.namelist()[0]).lower().split()"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 4,
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+ "metadata": {
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+ "collapsed": false
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+ },
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+ "outputs": [
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+ {
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+ "name": "stdout",
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+ "output_type": "stream",
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+ "text": [
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+ "Words count: 17005207\n",
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+ "Unique words: 253854\n",
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+ "Vocabulary size: 50000\n",
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+ "Most common words: [('UNK', 418391), ('the', 1061396), ('of', 593677), ('and', 416629), ('one', 411764), ('in', 372201), ('a', 325873), ('to', 316376), ('zero', 264975), ('nine', 250430)]\n"
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+ ]
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+ }
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+ ],
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+ "source": [
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+ "# Build the dictionary and replace rare words with UNK token\n",
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+ "count = [('UNK', -1)]\n",
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+ "# Retrieve the most common words\n",
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+ "count.extend(collections.Counter(text_words).most_common(max_vocabulary_size - 1))\n",
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+ "# Remove samples with less than 'min_occurrence' occurrences\n",
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+ "for i in range(len(count) - 1, -1):\n",
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+ " if count[i][1] < min_occurrence:\n",
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+ " count.pop(i)\n",
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+ " else:\n",
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+ " # The collection is ordered, so stop when 'min_occurrence' is reached\n",
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+ " break\n",
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+ "# Compute the vocabulary size\n",
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+ "vocabulary_size = len(count)\n",
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+ "# Assign an id to each word\n",
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+ "word2id = dict()\n",
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+ "for i, (word, _)in enumerate(count):\n",
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+ " word2id[word] = i\n",
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+ "\n",
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+ "data = list()\n",
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+ "unk_count = 0\n",
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+ "for word in text_words:\n",
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+ " # Retrieve a word id, or assign it index 0 ('UNK') if not in dictionary\n",
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+ " index = word2id.get(word, 0)\n",
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+ " if index == 0:\n",
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+ " unk_count += 1\n",
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+ " data.append(index)\n",
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+ "count[0] = ('UNK', unk_count)\n",
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+ "id2word = dict(zip(word2id.values(), word2id.keys()))\n",
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+ "\n",
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+ "print(\"Words count:\", len(text_words))\n",
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+ "print(\"Unique words:\", len(set(text_words)))\n",
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+ "print(\"Vocabulary size:\", vocabulary_size)\n",
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+ "print(\"Most common words:\", count[:10])"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 5,
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+ "metadata": {
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+ "collapsed": true
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+ },
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+ "outputs": [],
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+ "source": [
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+ "data_index = 0\n",
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+ "# Generate training batch for the skip-gram model\n",
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+ "def next_batch(batch_size, num_skips, skip_window):\n",
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+ " global data_index\n",
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+ " assert batch_size % num_skips == 0\n",
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+ " assert num_skips <= 2 * skip_window\n",
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+ " batch = np.ndarray(shape=(batch_size), dtype=np.int32)\n",
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+ " labels = np.ndarray(shape=(batch_size, 1), dtype=np.int32)\n",
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+ " # get window size (words left and right + current one)\n",
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+ " span = 2 * skip_window + 1\n",
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+ " buffer = collections.deque(maxlen=span)\n",
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+ " if data_index + span > len(data):\n",
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+ " data_index = 0\n",
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+ " buffer.extend(data[data_index:data_index + span])\n",
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+ " data_index += span\n",
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+ " for i in range(batch_size // num_skips):\n",
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+ " context_words = [w for w in range(span) if w != skip_window]\n",
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+ " words_to_use = random.sample(context_words, num_skips)\n",
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+ " for j, context_word in enumerate(words_to_use):\n",
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+ " batch[i * num_skips + j] = buffer[skip_window]\n",
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+ " labels[i * num_skips + j, 0] = buffer[context_word]\n",
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+ " if data_index == len(data):\n",
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+ " buffer.extend(data[0:span])\n",
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+ " data_index = span\n",
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+ " else:\n",
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+ " buffer.append(data[data_index])\n",
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+ " data_index += 1\n",
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+ " # Backtrack a little bit to avoid skipping words in the end of a batch\n",
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+ " data_index = (data_index + len(data) - span) % len(data)\n",
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+ " return batch, labels"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 6,
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+ "metadata": {
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+ "collapsed": true
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+ },
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+ "outputs": [],
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+ "source": [
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+ "# Input data\n",
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+ "X = tf.placeholder(tf.int32, shape=[None])\n",
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+ "# Input label\n",
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+ "Y = tf.placeholder(tf.int32, shape=[None, 1])\n",
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+ "\n",
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+ "# Ensure the following ops & var are assigned on CPU\n",
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+ "# (some ops are not compatible on GPU)\n",
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+ "with tf.device('/cpu:0'):\n",
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+ " # Create the embedding variable (each row represent a word embedding vector)\n",
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+ " embedding = tf.Variable(tf.random_normal([vocabulary_size, embedding_size]))\n",
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+ " # Lookup the corresponding embedding vectors for each sample in X\n",
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+ " X_embed = tf.nn.embedding_lookup(embedding, X)\n",
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+ "\n",
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+ " # Construct the variables for the NCE loss\n",
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+ " nce_weights = tf.Variable(tf.random_normal([vocabulary_size, embedding_size]))\n",
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+ " nce_biases = tf.Variable(tf.zeros([vocabulary_size]))\n",
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+ "\n",
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+ "# Compute the average NCE loss for the batch\n",
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+ "loss_op = tf.reduce_mean(\n",
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+ " tf.nn.nce_loss(weights=nce_weights,\n",
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+ " biases=nce_biases,\n",
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+ " labels=Y,\n",
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+ " inputs=X_embed,\n",
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+ " num_sampled=num_sampled,\n",
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+ " num_classes=vocabulary_size))\n",
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+ "\n",
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+ "# Define the optimizer\n",
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+ "optimizer = tf.train.GradientDescentOptimizer(learning_rate)\n",
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+ "train_op = optimizer.minimize(loss_op)\n",
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+ "\n",
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+ "# Evaluation\n",
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+ "# Compute the cosine similarity between input data embedding and every embedding vectors\n",
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+ "X_embed_norm = X_embed / tf.sqrt(tf.reduce_sum(tf.square(X_embed)))\n",
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+ "embedding_norm = embedding / tf.sqrt(tf.reduce_sum(tf.square(embedding), 1, keepdims=True))\n",
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+ "cosine_sim_op = tf.matmul(X_embed_norm, embedding_norm, transpose_b=True)"
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+ ]
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+ },
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+ {
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+ "cell_type": "code",
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+ "execution_count": 7,
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+ "metadata": {
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+ "collapsed": false,
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+ "scrolled": false
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+ },
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+ "outputs": [
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+ {
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+ "name": "stdout",
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+ "output_type": "stream",
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+ "text": [
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+ "Step 1, Average Loss= 520.3188\n",
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+ "Evaluation...\n",
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+ "\"five\" nearest neighbors: brothers, swinging, dissemination, fruitful, trichloride, dll, timur, torre,\n",
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+ "\"of\" nearest neighbors: malting, vaginal, cecil, xiaoping, arrangers, hydras, exhibits, splits,\n",
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+ "\"going\" nearest neighbors: besht, xps, sdtv, mississippi, frequencies, tora, reciprocating, tursiops,\n",
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+ "\"hardware\" nearest neighbors: burgh, residences, mares, attested, whirlwind, isomerism, admiration, ties,\n",
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+ "\"american\" nearest neighbors: tensile, months, baffling, cricket, kodak, risky, nicomedia, jura,\n",
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+ "\"britain\" nearest neighbors: superstring, interpretations, genealogical, munition, boer, occasional, psychologists, turbofan,\n",
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+ "Step 10000, Average Loss= 202.2640\n",
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+ "Step 20000, Average Loss= 96.5149\n",
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+ "Step 30000, Average Loss= 67.2858\n",
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+ "Step 40000, Average Loss= 52.5055\n",
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+ "Step 50000, Average Loss= 42.6301\n",
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+ "Step 60000, Average Loss= 37.3644\n",
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+ "Step 70000, Average Loss= 33.1220\n",
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+ "Step 80000, Average Loss= 30.5835\n",
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+ "Step 90000, Average Loss= 28.2243\n",
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+ "Step 100000, Average Loss= 25.5532\n",
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+ "Step 110000, Average Loss= 24.0891\n",
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+ "Step 120000, Average Loss= 21.8576\n",
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+ "Step 130000, Average Loss= 21.2192\n",
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+ "Step 140000, Average Loss= 19.8834\n",
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+ "Step 150000, Average Loss= 19.3362\n",
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+ "Step 160000, Average Loss= 18.3129\n",
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+ "Step 170000, Average Loss= 17.4952\n",
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+ "Step 180000, Average Loss= 16.8531\n",
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+ "Step 190000, Average Loss= 15.9615\n",
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+ "Step 200000, Average Loss= 15.0718\n",
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+ "Evaluation...\n",
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+ "\"five\" nearest neighbors: three, four, eight, six, seven, two, nine, one,\n",
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+ "\"of\" nearest neighbors: the, is, a, was, with, in, and, on,\n",
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+ "\"going\" nearest neighbors: time, military, called, with, used, state, most, new,\n",
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+ "\"hardware\" nearest neighbors: deaths, system, three, at, zero, two, s, UNK,\n",
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+ "\"american\" nearest neighbors: UNK, and, s, about, in, when, from, after,\n",
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+ "\"britain\" nearest neighbors: years, were, from, both, of, these, is, many,\n",
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+ "Step 210000, Average Loss= 14.9267\n",
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+ "Step 220000, Average Loss= 15.4700\n",
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+ "Step 230000, Average Loss= 14.0867\n",
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+ "Step 240000, Average Loss= 14.5337\n",
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+ "Step 250000, Average Loss= 13.2458\n",
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+ "Step 260000, Average Loss= 13.2944\n",
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+ "Step 270000, Average Loss= 13.0396\n",
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+ "Step 280000, Average Loss= 12.1902\n",
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+ "Step 290000, Average Loss= 11.7444\n",
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+ "Step 300000, Average Loss= 11.8473\n",
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+ "Step 310000, Average Loss= 11.1306\n",
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+ "Step 320000, Average Loss= 11.1699\n",
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+ "Step 330000, Average Loss= 10.8638\n",
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+ "Step 340000, Average Loss= 10.7910\n",
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+ "Step 350000, Average Loss= 11.0721\n",
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+ "Step 360000, Average Loss= 10.6309\n",
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+ "Step 370000, Average Loss= 10.4836\n",
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+ "Step 380000, Average Loss= 10.3482\n",
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+ "Step 390000, Average Loss= 10.0679\n",
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+ "Step 400000, Average Loss= 10.0070\n",
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+ "Evaluation...\n",
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+ "\"five\" nearest neighbors: four, three, six, seven, eight, two, one, zero,\n",
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+ "\"of\" nearest neighbors: and, in, the, a, for, by, is, while,\n",
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+ "\"going\" nearest neighbors: name, called, made, military, music, people, city, was,\n",
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+ "\"hardware\" nearest neighbors: power, a, john, the, has, see, and, system,\n",
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+ "\"american\" nearest neighbors: s, british, UNK, john, in, during, and, from,\n",
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+ "\"britain\" nearest neighbors: from, general, are, before, first, after, history, was,\n",
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+ "Step 410000, Average Loss= 10.1151\n",
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+ "Step 420000, Average Loss= 9.5719\n",
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+ "Step 430000, Average Loss= 9.8267\n",
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+ "Step 440000, Average Loss= 9.4704\n",
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+ "Step 450000, Average Loss= 9.5561\n",
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+ "Step 460000, Average Loss= 9.1479\n",
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+ "Step 470000, Average Loss= 8.8914\n",
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+ "Step 480000, Average Loss= 9.0281\n",
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+ "Step 490000, Average Loss= 9.3139\n",
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+ "Step 500000, Average Loss= 9.1559\n",
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+ "Step 510000, Average Loss= 8.8257\n",
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+ "Step 520000, Average Loss= 8.9081\n",
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+ "Step 530000, Average Loss= 8.8572\n",
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+ "Step 540000, Average Loss= 8.5835\n",
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+ "Step 550000, Average Loss= 8.4495\n",
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+ "Step 560000, Average Loss= 8.4193\n",
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+ "Step 570000, Average Loss= 8.3399\n",
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+ "Step 580000, Average Loss= 8.1633\n",
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+ "Step 590000, Average Loss= 8.2914\n",
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+ "Step 600000, Average Loss= 8.0268\n",
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+ "Evaluation...\n",
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+ "\"five\" nearest neighbors: three, four, six, two, seven, eight, one, zero,\n",
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+ "\"of\" nearest neighbors: and, the, in, including, with, for, on, or,\n",
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+ "\"going\" nearest neighbors: popular, king, his, music, and, time, name, being,\n",
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+ "\"hardware\" nearest neighbors: power, over, then, than, became, at, less, for,\n",
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+ "\"american\" nearest neighbors: english, s, german, in, french, since, john, between,\n",
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+ "\"britain\" nearest neighbors: however, were, state, first, group, general, from, second,\n",
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+ "Step 610000, Average Loss= 8.1733\n",
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+ "Step 620000, Average Loss= 8.2522\n",
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+ "Step 630000, Average Loss= 8.0434\n",
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+ "Step 640000, Average Loss= 8.0930\n",
|
|
|
+ "Step 650000, Average Loss= 7.8770\n",
|
|
|
+ "Step 660000, Average Loss= 7.9221\n",
|
|
|
+ "Step 670000, Average Loss= 7.7645\n",
|
|
|
+ "Step 680000, Average Loss= 7.9534\n",
|
|
|
+ "Step 690000, Average Loss= 7.7507\n",
|
|
|
+ "Step 700000, Average Loss= 7.7499\n",
|
|
|
+ "Step 710000, Average Loss= 7.6629\n",
|
|
|
+ "Step 720000, Average Loss= 7.6055\n",
|
|
|
+ "Step 730000, Average Loss= 7.4779\n",
|
|
|
+ "Step 740000, Average Loss= 7.3182\n",
|
|
|
+ "Step 750000, Average Loss= 7.6399\n",
|
|
|
+ "Step 760000, Average Loss= 7.4364\n",
|
|
|
+ "Step 770000, Average Loss= 7.6509\n",
|
|
|
+ "Step 780000, Average Loss= 7.3204\n",
|
|
|
+ "Step 790000, Average Loss= 7.4101\n",
|
|
|
+ "Step 800000, Average Loss= 7.4354\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: three, four, six, seven, eight, two, one, nine,\n",
|
|
|
+ "\"of\" nearest neighbors: and, the, its, a, with, at, in, for,\n",
|
|
|
+ "\"going\" nearest neighbors: were, man, music, now, great, support, popular, her,\n",
|
|
|
+ "\"hardware\" nearest neighbors: power, system, then, military, high, against, since, international,\n",
|
|
|
+ "\"american\" nearest neighbors: english, british, born, b, john, french, d, german,\n",
|
|
|
+ "\"britain\" nearest neighbors: government, second, before, from, state, several, the, at,\n",
|
|
|
+ "Step 810000, Average Loss= 7.2603\n",
|
|
|
+ "Step 820000, Average Loss= 7.1646\n",
|
|
|
+ "Step 830000, Average Loss= 7.3155\n",
|
|
|
+ "Step 840000, Average Loss= 7.1274\n",
|
|
|
+ "Step 850000, Average Loss= 7.1237\n",
|
|
|
+ "Step 860000, Average Loss= 7.1528\n",
|
|
|
+ "Step 870000, Average Loss= 7.0673\n",
|
|
|
+ "Step 880000, Average Loss= 7.2167\n",
|
|
|
+ "Step 890000, Average Loss= 7.1359\n",
|
|
|
+ "Step 900000, Average Loss= 7.0940\n",
|
|
|
+ "Step 910000, Average Loss= 7.1114\n",
|
|
|
+ "Step 920000, Average Loss= 6.9328\n",
|
|
|
+ "Step 930000, Average Loss= 7.0108\n",
|
|
|
+ "Step 940000, Average Loss= 7.0630\n",
|
|
|
+ "Step 950000, Average Loss= 6.8371\n",
|
|
|
+ "Step 960000, Average Loss= 7.0466\n",
|
|
|
+ "Step 970000, Average Loss= 6.8331\n",
|
|
|
+ "Step 980000, Average Loss= 6.9670\n",
|
|
|
+ "Step 990000, Average Loss= 6.7357\n",
|
|
|
+ "Step 1000000, Average Loss= 6.6453\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, eight, seven, two, nine, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, became, including, first, second, from, following, and,\n",
|
|
|
+ "\"going\" nearest neighbors: near, music, popular, made, while, his, works, most,\n",
|
|
|
+ "\"hardware\" nearest neighbors: power, system, before, its, using, for, thus, an,\n",
|
|
|
+ "\"american\" nearest neighbors: b, born, d, UNK, nine, john, english, seven,\n",
|
|
|
+ "\"britain\" nearest neighbors: of, following, government, home, from, state, end, several,\n",
|
|
|
+ "Step 1010000, Average Loss= 6.7193\n",
|
|
|
+ "Step 1020000, Average Loss= 6.9297\n",
|
|
|
+ "Step 1030000, Average Loss= 6.7905\n",
|
|
|
+ "Step 1040000, Average Loss= 6.7709\n",
|
|
|
+ "Step 1050000, Average Loss= 6.7337\n",
|
|
|
+ "Step 1060000, Average Loss= 6.7617\n",
|
|
|
+ "Step 1070000, Average Loss= 6.7489\n",
|
|
|
+ "Step 1080000, Average Loss= 6.6259\n",
|
|
|
+ "Step 1090000, Average Loss= 6.6415\n",
|
|
|
+ "Step 1100000, Average Loss= 6.7209\n",
|
|
|
+ "Step 1110000, Average Loss= 6.5471\n",
|
|
|
+ "Step 1120000, Average Loss= 6.6508\n",
|
|
|
+ "Step 1130000, Average Loss= 6.5184\n",
|
|
|
+ "Step 1140000, Average Loss= 6.6202\n",
|
|
|
+ "Step 1150000, Average Loss= 6.7205\n",
|
|
|
+ "Step 1160000, Average Loss= 6.5821\n",
|
|
|
+ "Step 1170000, Average Loss= 6.6200\n",
|
|
|
+ "Step 1180000, Average Loss= 6.5089\n",
|
|
|
+ "Step 1190000, Average Loss= 6.5587\n",
|
|
|
+ "Step 1200000, Average Loss= 6.4930\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: three, four, six, seven, eight, two, nine, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, and, including, in, first, with, following, from,\n",
|
|
|
+ "\"going\" nearest neighbors: near, popular, works, today, large, now, when, both,\n",
|
|
|
+ "\"hardware\" nearest neighbors: power, system, computer, its, both, for, using, which,\n",
|
|
|
+ "\"american\" nearest neighbors: born, d, john, german, b, UNK, english, s,\n",
|
|
|
+ "\"britain\" nearest neighbors: state, following, government, home, became, people, were, the,\n",
|
|
|
+ "Step 1210000, Average Loss= 6.5985\n",
|
|
|
+ "Step 1220000, Average Loss= 6.4534\n",
|
|
|
+ "Step 1230000, Average Loss= 6.5083\n",
|
|
|
+ "Step 1240000, Average Loss= 6.4913\n",
|
|
|
+ "Step 1250000, Average Loss= 6.4326\n",
|
|
|
+ "Step 1260000, Average Loss= 6.3891\n",
|
|
|
+ "Step 1270000, Average Loss= 6.1601\n",
|
|
|
+ "Step 1280000, Average Loss= 6.4479\n",
|
|
|
+ "Step 1290000, Average Loss= 6.3813\n",
|
|
|
+ "Step 1300000, Average Loss= 6.5335\n",
|
|
|
+ "Step 1310000, Average Loss= 6.2971\n",
|
|
|
+ "Step 1320000, Average Loss= 6.3723\n",
|
|
|
+ "Step 1330000, Average Loss= 6.4234\n",
|
|
|
+ "Step 1340000, Average Loss= 6.3130\n",
|
|
|
+ "Step 1350000, Average Loss= 6.2867\n",
|
|
|
+ "Step 1360000, Average Loss= 6.3505\n",
|
|
|
+ "Step 1370000, Average Loss= 6.2990\n",
|
|
|
+ "Step 1380000, Average Loss= 6.3012\n",
|
|
|
+ "Step 1390000, Average Loss= 6.3112\n",
|
|
|
+ "Step 1400000, Average Loss= 6.2680\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, two, seven, eight, one, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, its, and, including, in, with, see, for,\n",
|
|
|
+ "\"going\" nearest neighbors: near, great, like, today, began, called, an, another,\n",
|
|
|
+ "\"hardware\" nearest neighbors: power, computer, system, for, program, high, control, small,\n",
|
|
|
+ "\"american\" nearest neighbors: english, german, french, born, john, british, s, references,\n",
|
|
|
+ "\"britain\" nearest neighbors: state, great, government, people, following, became, along, home,\n",
|
|
|
+ "Step 1410000, Average Loss= 6.3157\n",
|
|
|
+ "Step 1420000, Average Loss= 6.3466\n",
|
|
|
+ "Step 1430000, Average Loss= 6.3090\n",
|
|
|
+ "Step 1440000, Average Loss= 6.3330\n",
|
|
|
+ "Step 1450000, Average Loss= 6.2072\n",
|
|
|
+ "Step 1460000, Average Loss= 6.2363\n",
|
|
|
+ "Step 1470000, Average Loss= 6.2736\n",
|
|
|
+ "Step 1480000, Average Loss= 6.1793\n",
|
|
|
+ "Step 1490000, Average Loss= 6.2977\n",
|
|
|
+ "Step 1500000, Average Loss= 6.1899\n",
|
|
|
+ "Step 1510000, Average Loss= 6.2381\n",
|
|
|
+ "Step 1520000, Average Loss= 6.1027\n",
|
|
|
+ "Step 1530000, Average Loss= 6.0046\n",
|
|
|
+ "Step 1540000, Average Loss= 6.0747\n",
|
|
|
+ "Step 1550000, Average Loss= 6.2524\n",
|
|
|
+ "Step 1560000, Average Loss= 6.1247\n",
|
|
|
+ "Step 1570000, Average Loss= 6.1937\n",
|
|
|
+ "Step 1580000, Average Loss= 6.0450\n",
|
|
|
+ "Step 1590000, Average Loss= 6.1556\n",
|
|
|
+ "Step 1600000, Average Loss= 6.1765\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: three, four, six, two, seven, eight, one, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, and, its, for, from, modern, in, part,\n",
|
|
|
+ "\"going\" nearest neighbors: great, today, once, now, while, her, like, by,\n",
|
|
|
+ "\"hardware\" nearest neighbors: power, system, high, program, control, computer, typically, making,\n",
|
|
|
+ "\"american\" nearest neighbors: born, english, british, german, john, french, b, d,\n",
|
|
|
+ "\"britain\" nearest neighbors: country, state, home, government, first, following, during, from,\n",
|
|
|
+ "Step 1610000, Average Loss= 6.1029\n",
|
|
|
+ "Step 1620000, Average Loss= 6.0501\n",
|
|
|
+ "Step 1630000, Average Loss= 6.1536\n",
|
|
|
+ "Step 1640000, Average Loss= 6.0483\n",
|
|
|
+ "Step 1650000, Average Loss= 6.1197\n",
|
|
|
+ "Step 1660000, Average Loss= 6.0261\n",
|
|
|
+ "Step 1670000, Average Loss= 6.1012\n",
|
|
|
+ "Step 1680000, Average Loss= 6.1795\n",
|
|
|
+ "Step 1690000, Average Loss= 6.1224\n",
|
|
|
+ "Step 1700000, Average Loss= 6.0896\n",
|
|
|
+ "Step 1710000, Average Loss= 6.0418\n",
|
|
|
+ "Step 1720000, Average Loss= 6.0626\n",
|
|
|
+ "Step 1730000, Average Loss= 6.0214\n",
|
|
|
+ "Step 1740000, Average Loss= 6.1206\n",
|
|
|
+ "Step 1750000, Average Loss= 5.9721\n",
|
|
|
+ "Step 1760000, Average Loss= 6.0782\n",
|
|
|
+ "Step 1770000, Average Loss= 6.0291\n",
|
|
|
+ "Step 1780000, Average Loss= 6.0187\n",
|
|
|
+ "Step 1790000, Average Loss= 5.9761\n",
|
|
|
+ "Step 1800000, Average Loss= 5.7518\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, seven, eight, nine, two, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, from, in, became, and, second, first, including,\n",
|
|
|
+ "\"going\" nearest neighbors: today, which, once, little, made, before, now, etc,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, power, program, system, high, typically, current, eventually,\n",
|
|
|
+ "\"american\" nearest neighbors: b, d, born, actor, UNK, robert, william, english,\n",
|
|
|
+ "\"britain\" nearest neighbors: government, state, country, from, world, great, of, in,\n",
|
|
|
+ "Step 1810000, Average Loss= 5.9839\n",
|
|
|
+ "Step 1820000, Average Loss= 5.9931\n",
|
|
|
+ "Step 1830000, Average Loss= 6.0794\n",
|
|
|
+ "Step 1840000, Average Loss= 5.9072\n",
|
|
|
+ "Step 1850000, Average Loss= 5.9831\n",
|
|
|
+ "Step 1860000, Average Loss= 6.0023\n",
|
|
|
+ "Step 1870000, Average Loss= 5.9375\n",
|
|
|
+ "Step 1880000, Average Loss= 5.9250\n",
|
|
|
+ "Step 1890000, Average Loss= 5.9422\n",
|
|
|
+ "Step 1900000, Average Loss= 5.9339\n",
|
|
|
+ "Step 1910000, Average Loss= 5.9235\n",
|
|
|
+ "Step 1920000, Average Loss= 5.9692\n",
|
|
|
+ "Step 1930000, Average Loss= 5.9022\n",
|
|
|
+ "Step 1940000, Average Loss= 5.9599\n",
|
|
|
+ "Step 1950000, Average Loss= 6.0174\n",
|
|
|
+ "Step 1960000, Average Loss= 5.9530\n",
|
|
|
+ "Step 1970000, Average Loss= 5.9479\n",
|
|
|
+ "Step 1980000, Average Loss= 5.8870\n",
|
|
|
+ "Step 1990000, Average Loss= 5.9271\n",
|
|
|
+ "Step 2000000, Average Loss= 5.8774\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, seven, eight, two, nine, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: and, the, from, in, within, first, including, with,\n",
|
|
|
+ "\"going\" nearest neighbors: today, before, another, little, work, etc, now, him,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, program, system, both, making, designed, power, simple,\n",
|
|
|
+ "\"american\" nearest neighbors: actor, born, d, robert, john, b, german, writer,\n",
|
|
|
+ "\"britain\" nearest neighbors: government, state, following, great, england, became, country, from,\n",
|
|
|
+ "Step 2010000, Average Loss= 5.9373\n",
|
|
|
+ "Step 2020000, Average Loss= 5.9113\n",
|
|
|
+ "Step 2030000, Average Loss= 5.9158\n",
|
|
|
+ "Step 2040000, Average Loss= 5.9020\n",
|
|
|
+ "Step 2050000, Average Loss= 5.8608\n",
|
|
|
+ "Step 2060000, Average Loss= 5.7379\n",
|
|
|
+ "Step 2070000, Average Loss= 5.7143\n",
|
|
|
+ "Step 2080000, Average Loss= 5.9379\n",
|
|
|
+ "Step 2090000, Average Loss= 5.8201\n",
|
|
|
+ "Step 2100000, Average Loss= 5.9390\n",
|
|
|
+ "Step 2110000, Average Loss= 5.7295\n",
|
|
|
+ "Step 2120000, Average Loss= 5.8290\n",
|
|
|
+ "Step 2130000, Average Loss= 5.9042\n",
|
|
|
+ "Step 2140000, Average Loss= 5.8367\n",
|
|
|
+ "Step 2150000, Average Loss= 5.7760\n",
|
|
|
+ "Step 2160000, Average Loss= 5.8664\n",
|
|
|
+ "Step 2170000, Average Loss= 5.7974\n",
|
|
|
+ "Step 2180000, Average Loss= 5.8523\n",
|
|
|
+ "Step 2190000, Average Loss= 5.8047\n",
|
|
|
+ "Step 2200000, Average Loss= 5.8172\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: three, four, six, eight, two, seven, one, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, with, group, in, its, and, from, including,\n",
|
|
|
+ "\"going\" nearest neighbors: produced, when, today, while, little, before, had, like,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, system, power, technology, program, simple, for, designed,\n",
|
|
|
+ "\"american\" nearest neighbors: english, canadian, german, french, author, british, film, born,\n",
|
|
|
+ "\"britain\" nearest neighbors: government, great, state, established, british, england, country, army,\n",
|
|
|
+ "Step 2210000, Average Loss= 5.8847\n",
|
|
|
+ "Step 2220000, Average Loss= 5.8622\n",
|
|
|
+ "Step 2230000, Average Loss= 5.8295\n",
|
|
|
+ "Step 2240000, Average Loss= 5.8484\n",
|
|
|
+ "Step 2250000, Average Loss= 5.7917\n",
|
|
|
+ "Step 2260000, Average Loss= 5.7846\n",
|
|
|
+ "Step 2270000, Average Loss= 5.8307\n",
|
|
|
+ "Step 2280000, Average Loss= 5.7341\n",
|
|
|
+ "Step 2290000, Average Loss= 5.8519\n",
|
|
|
+ "Step 2300000, Average Loss= 5.7792\n",
|
|
|
+ "Step 2310000, Average Loss= 5.8277\n",
|
|
|
+ "Step 2320000, Average Loss= 5.7196\n",
|
|
|
+ "Step 2330000, Average Loss= 5.5469\n",
|
|
|
+ "Step 2340000, Average Loss= 5.7177\n",
|
|
|
+ "Step 2350000, Average Loss= 5.8139\n",
|
|
|
+ "Step 2360000, Average Loss= 5.7849\n",
|
|
|
+ "Step 2370000, Average Loss= 5.7022\n",
|
|
|
+ "Step 2380000, Average Loss= 5.7447\n",
|
|
|
+ "Step 2390000, Average Loss= 5.7667\n",
|
|
|
+ "Step 2400000, Average Loss= 5.7625\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: three, four, six, seven, two, eight, zero, nine,\n",
|
|
|
+ "\"of\" nearest neighbors: the, and, from, part, in, following, within, including,\n",
|
|
|
+ "\"going\" nearest neighbors: where, once, little, now, again, while, off, produced,\n",
|
|
|
+ "\"hardware\" nearest neighbors: system, computer, high, power, using, designed, systems, simple,\n",
|
|
|
+ "\"american\" nearest neighbors: author, actor, english, born, writer, british, b, d,\n",
|
|
|
+ "\"britain\" nearest neighbors: great, established, government, england, country, state, army, former,\n",
|
|
|
+ "Step 2410000, Average Loss= 5.6953\n",
|
|
|
+ "Step 2420000, Average Loss= 5.7413\n",
|
|
|
+ "Step 2430000, Average Loss= 5.7242\n",
|
|
|
+ "Step 2440000, Average Loss= 5.7397\n",
|
|
|
+ "Step 2450000, Average Loss= 5.7755\n",
|
|
|
+ "Step 2460000, Average Loss= 5.6881\n",
|
|
|
+ "Step 2470000, Average Loss= 5.7471\n",
|
|
|
+ "Step 2480000, Average Loss= 5.8159\n",
|
|
|
+ "Step 2490000, Average Loss= 5.7452\n",
|
|
|
+ "Step 2500000, Average Loss= 5.7547\n",
|
|
|
+ "Step 2510000, Average Loss= 5.6945\n",
|
|
|
+ "Step 2520000, Average Loss= 5.7318\n",
|
|
|
+ "Step 2530000, Average Loss= 5.6682\n",
|
|
|
+ "Step 2540000, Average Loss= 5.7660\n",
|
|
|
+ "Step 2550000, Average Loss= 5.6956\n",
|
|
|
+ "Step 2560000, Average Loss= 5.7307\n",
|
|
|
+ "Step 2570000, Average Loss= 5.7015\n",
|
|
|
+ "Step 2580000, Average Loss= 5.6932\n",
|
|
|
+ "Step 2590000, Average Loss= 5.6386\n",
|
|
|
+ "Step 2600000, Average Loss= 5.4734\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, seven, eight, nine, two, zero,\n",
|
|
|
+ "\"of\" nearest neighbors: the, and, in, from, became, including, for, with,\n",
|
|
|
+ "\"going\" nearest neighbors: little, again, just, a, now, where, to, for,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, program, system, software, designed, systems, technology, current,\n",
|
|
|
+ "\"american\" nearest neighbors: actor, d, writer, b, born, singer, author, robert,\n",
|
|
|
+ "\"britain\" nearest neighbors: great, established, government, england, country, in, from, state,\n",
|
|
|
+ "Step 2610000, Average Loss= 5.7291\n",
|
|
|
+ "Step 2620000, Average Loss= 5.6412\n",
|
|
|
+ "Step 2630000, Average Loss= 5.7485\n",
|
|
|
+ "Step 2640000, Average Loss= 5.5833\n",
|
|
|
+ "Step 2650000, Average Loss= 5.6548\n",
|
|
|
+ "Step 2660000, Average Loss= 5.7159\n",
|
|
|
+ "Step 2670000, Average Loss= 5.6569\n",
|
|
|
+ "Step 2680000, Average Loss= 5.6080\n",
|
|
|
+ "Step 2690000, Average Loss= 5.7037\n",
|
|
|
+ "Step 2700000, Average Loss= 5.6360\n",
|
|
|
+ "Step 2710000, Average Loss= 5.6707\n",
|
|
|
+ "Step 2720000, Average Loss= 5.6811\n",
|
|
|
+ "Step 2730000, Average Loss= 5.6237\n",
|
|
|
+ "Step 2740000, Average Loss= 5.7050\n",
|
|
|
+ "Step 2750000, Average Loss= 5.6991\n",
|
|
|
+ "Step 2760000, Average Loss= 5.6691\n",
|
|
|
+ "Step 2770000, Average Loss= 5.7057\n",
|
|
|
+ "Step 2780000, Average Loss= 5.6162\n",
|
|
|
+ "Step 2790000, Average Loss= 5.6484\n",
|
|
|
+ "Step 2800000, Average Loss= 5.6627\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, six, three, seven, eight, nine, two, one,\n",
|
|
|
+ "\"of\" nearest neighbors: the, in, following, including, part, and, from, under,\n",
|
|
|
+ "\"going\" nearest neighbors: again, before, little, away, once, when, eventually, then,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, system, software, program, systems, designed, for, design,\n",
|
|
|
+ "\"american\" nearest neighbors: actor, writer, singer, author, born, robert, d, john,\n",
|
|
|
+ "\"britain\" nearest neighbors: established, england, great, government, france, army, the, throughout,\n",
|
|
|
+ "Step 2810000, Average Loss= 5.5900\n",
|
|
|
+ "Step 2820000, Average Loss= 5.7053\n",
|
|
|
+ "Step 2830000, Average Loss= 5.6064\n",
|
|
|
+ "Step 2840000, Average Loss= 5.6891\n",
|
|
|
+ "Step 2850000, Average Loss= 5.5571\n",
|
|
|
+ "Step 2860000, Average Loss= 5.4490\n",
|
|
|
+ "Step 2870000, Average Loss= 5.5428\n",
|
|
|
+ "Step 2880000, Average Loss= 5.6832\n",
|
|
|
+ "Step 2890000, Average Loss= 5.5973\n",
|
|
|
+ "Step 2900000, Average Loss= 5.5816\n",
|
|
|
+ "Step 2910000, Average Loss= 5.5647\n",
|
|
|
+ "Step 2920000, Average Loss= 5.6001\n",
|
|
|
+ "Step 2930000, Average Loss= 5.6459\n",
|
|
|
+ "Step 2940000, Average Loss= 5.5622\n",
|
|
|
+ "Step 2950000, Average Loss= 5.5707\n",
|
|
|
+ "Step 2960000, Average Loss= 5.6492\n",
|
|
|
+ "Step 2970000, Average Loss= 5.5633\n",
|
|
|
+ "Step 2980000, Average Loss= 5.6323\n",
|
|
|
+ "Step 2990000, Average Loss= 5.5440\n",
|
|
|
+ "Step 3000000, Average Loss= 5.6209\n",
|
|
|
+ "Evaluation...\n",
|
|
|
+ "\"five\" nearest neighbors: four, three, six, eight, seven, two, zero, one,\n",
|
|
|
+ "\"of\" nearest neighbors: the, in, and, including, group, includes, part, from,\n",
|
|
|
+ "\"going\" nearest neighbors: once, again, when, quickly, before, eventually, little, had,\n",
|
|
|
+ "\"hardware\" nearest neighbors: computer, system, software, designed, program, simple, systems, sound,\n",
|
|
|
+ "\"american\" nearest neighbors: canadian, english, author, german, french, british, irish, australian,\n",
|
|
|
+ "\"britain\" nearest neighbors: established, england, great, government, throughout, france, british, northern,\n"
|
|
|
+ ]
|
|
|
+ }
|
|
|
+ ],
|
|
|
+ "source": [
|
|
|
+ "# Initialize the variables (i.e. assign their default value)\n",
|
|
|
+ "init = tf.global_variables_initializer()\n",
|
|
|
+ "\n",
|
|
|
+ "with tf.Session() as sess:\n",
|
|
|
+ "\n",
|
|
|
+ " # Run the initializer\n",
|
|
|
+ " sess.run(init)\n",
|
|
|
+ "\n",
|
|
|
+ " # Testing data\n",
|
|
|
+ " x_test = np.array([word2id[w] for w in eval_words])\n",
|
|
|
+ "\n",
|
|
|
+ " average_loss = 0\n",
|
|
|
+ " for step in xrange(1, num_steps + 1):\n",
|
|
|
+ " # Get a new batch of data\n",
|
|
|
+ " batch_x, batch_y = next_batch(batch_size, num_skips, skip_window)\n",
|
|
|
+ " # Run training op\n",
|
|
|
+ " _, loss = sess.run([train_op, loss_op], feed_dict={X: batch_x, Y: batch_y})\n",
|
|
|
+ " average_loss += loss\n",
|
|
|
+ "\n",
|
|
|
+ " if step % display_step == 0 or step == 1:\n",
|
|
|
+ " if step > 1:\n",
|
|
|
+ " average_loss /= display_step\n",
|
|
|
+ " print(\"Step \" + str(step) + \", Average Loss= \" + \\\n",
|
|
|
+ " \"{:.4f}\".format(average_loss))\n",
|
|
|
+ " average_loss = 0\n",
|
|
|
+ "\n",
|
|
|
+ " # Evaluation\n",
|
|
|
+ " if step % eval_step == 0 or step == 1:\n",
|
|
|
+ " print(\"Evaluation...\")\n",
|
|
|
+ " sim = sess.run(cosine_sim_op, feed_dict={X: x_test})\n",
|
|
|
+ " for i in xrange(len(eval_words)):\n",
|
|
|
+ " top_k = 8 # number of nearest neighbors\n",
|
|
|
+ " nearest = (-sim[i, :]).argsort()[1:top_k + 1]\n",
|
|
|
+ " log_str = '\"%s\" nearest neighbors:' % eval_words[i]\n",
|
|
|
+ " for k in xrange(top_k):\n",
|
|
|
+ " log_str = '%s %s,' % (log_str, id2word[nearest[k]])\n",
|
|
|
+ " print(log_str)\n"
|
|
|
+ ]
|
|
|
+ }
|
|
|
+ ],
|
|
|
+ "metadata": {
|
|
|
+ "kernelspec": {
|
|
|
+ "display_name": "Python [default]",
|
|
|
+ "language": "python",
|
|
|
+ "name": "python2"
|
|
|
+ },
|
|
|
+ "language_info": {
|
|
|
+ "codemirror_mode": {
|
|
|
+ "name": "ipython",
|
|
|
+ "version": 2
|
|
|
+ },
|
|
|
+ "file_extension": ".py",
|
|
|
+ "mimetype": "text/x-python",
|
|
|
+ "name": "python",
|
|
|
+ "nbconvert_exporter": "python",
|
|
|
+ "pygments_lexer": "ipython2",
|
|
|
+ "version": "2.7.12"
|
|
|
+ }
|
|
|
+ },
|
|
|
+ "nbformat": 4,
|
|
|
+ "nbformat_minor": 1
|
|
|
+}
|