创建一篇关于人工智能的长篇论文大纲。
I. Introduction
  A. Definition of Artificial Intelligence
  B. Brief history of AI 
  C. Importance of AI in current and future society 

II. Machine Learning 
  A. Types of machine learning
  B. Supervised Learning
  C. Unsupervised Learning 
  D. Deep Learning

III. Natural Language Processing 
  A. Overview of NLP 
  B. Algorithms used in NLP 
  C. Applications of NLP

IV. Computer Vision 
  A. Introduction to Computer Vision 
  B. Techniques used in Computer Vision 
  C. Applications of Computer Vision 

V. Ethics and Governance in AI
  A. Ethical considerations of AI
  B. Regulations and governance in AI 
  C. Impact of AI on employment and economy

VI. Impact of AI in various domains
  A. Health 
  B. Education 
  C. Security 
  D. Entertainment 

VII. Challenges and Limitations of AI 
  A. Technical limitations 
  B. Ethical and societal issues 
  C. Future of AI

VIII. Conclusion 
  A. Recap of the main points 
  B. Future of AI 
  C. Final thoughts 

IX. References