Agents

Agents

1. Simple reflex agents

   • Actions selected depend on solely the current state (Ignores percept history)
   • Has to be able to observe the whole environment

2. Model-based reflex agents

   • Tracks the environment even when observing it (Percept History)
   • Aware of:
     • How things around it evolve (independent of it).
     • How it influences the world by its actions

3. Goal-based agents = Model-based but with objectives

   • Searching
   • Planning
   • Considers future

4. Utility-based agents

   • Compare different worlds using utility function
     • Map state(s) with numbers associated with happiness
     • Applies tradeoff to conflicting goals
     • Weighs up likelyhood of sucess & importance of task in uncertain goals

5. Learning agents

   • Makes improvements using feedback
     • analogy: perception split as reward/punishment
   • Suggests actions that lead to informative experience