Task-oriented Dialog Systems

这是一篇关于Task-oriented Dialog Systems的思维导图，任务型对话系统一般由几个流水线模型组成，其中包含的是methods、challenges和models这几方面的内容。

Task-oriented Dialog Systems

• Methods
  • Pipeline
    • Natural Language Understanding
      • DNN
        • HMM
        • CRF
        • RNN-LSTM, BiRNN, Slot-Gated
        • Attention
      • PTMs
        • BERT
    • Dialog State Tracking
      • DNN
        • Word-level RNN, DST-RC, CMBP
      • PTMs
        • GOLOMB
    • Dialog Policy
      • RL
        • DQN
        • DDQ
      • DNN
    • Natural Language Generation
      • DNN
        • SC-LSTM
        • Meta-NLG
      • PTMs
        • GPT-2
        • SC-GPT
  • End-to-end
    • Hidden State based
      • Caplet
    • Explicit State based
      • DNN
      • PTMs
        • SOLOIST
        • SimTOD
• Challenges
  • Human Annotation Simplification
  • Transferability
  • Spoken Lanuage Understanding
  • Effecacy of DST
  • PTMSs absed POL
  • Controllability of NLG
  • Multimodal
  • Incremental leanring
• Models
  • Reinforcement Learning
    • DQN
  • Natural Lnanguage Understanding
    • BERT
    • RoBERTa
    • Electra
    • T5
  • Natural Language Generation
    • GPT-2
    • BART
    • T5
  • RNN
    • Memory Networks
    • LSTM
  • transformers
  • CNN
  • Knowledge Graph