AI Intro
Sources:
- Artificial Intelligence A Modern Approach
What is AI
强人工智能:think like humans
弱人工智能: act rationally
- 目前的研究都是弱人工智能
发展: 达特茅斯会议→ 推理期(60s-70s)→ 知识期(80s初期 - 90s中期) → 学习期(2006)
What will we learn
- Search 搜索与规划
- knowledge 知识表达与处理
- Uncertainty 不确定建模
- Learning 机器学习
Agent(智能体)
The agent function maps from percept histories to actions: \[ f: P^* \rarr A \]
Agent types
- Simple reflex agents
- 简单条件反射,作者把规则写进去
- Reflex agents with state
- 有记忆能力
- Goal-based agents
- 没有规则,只有目标
- Utility-based agents
- 最大化得分
All these can be turned into learning agents
- Learning agents
- 能够生成当下目标(Problem generator)