early tech

这是一篇关于early tech的思维导图，主要内容包括：neural nets 神经网络，supervised machine learning 监督式机器学习，chatbots，前期发展。

early tech

• 前期发展
  • 静态 codes
  • Enigma machine
  • Alan Turing
  • machine translation
    • context 语境
    • word-sense disambiguation 词义消歧
    • role
      • syntactic context 语法结构
      • collocational context 词汇搭配
      • pragmatic context 语用线索
      • discourse context 话题线索
• chatbots
  • ELIZA
    • can respond to questions
    • the ELIZA effect
    • the media equation
      • 把电脑当真人对待
  • SHRDLU
  • Alice
  • nearest-neighbour algorithm 最近邻算法
  • 存在的问题
    • no memory
    • contradict frequently
    • hide deficiencies
    • not natural/human-like output
• supervised machine learning 监督式机器学习
  • Turing Test 图灵测试
    • can computer simulate conversation so realistically that it can fool a human?
  • 组成
    • data
      • training set 训练集
      • test set 测试集
    • features
    • algorithm 算法
      • decision tree 决策树
• neural nets 神经网络
  • common tasks 常见任务
    • summarisation
    • question answering
  • artificial neural networks 人工神经网络
    • a way to model human learning
    • used for many machine learning tasks
    • resembles child language acquisition
  • deep learning 深度学习
    • able to consider more context than previous algorithms
    • e.g. Google Neural Machine Translation 谷歌机器神经翻译系统
      • interlingua 中间语言