What is a Frame Problem

1
What is a Frame Problem

• Environment for an agent is not static
• Identifying which things remain static in
  changing word
• Use of information in Knowledge Base and agents
  conclusion based on that knowledge
• Discarding negative inferences

2
Origin of the Frame Problem

• Fluents Values that change over time
• States Current view of the environment
• Predicates Evaluates to true /false
• Action Causes change in state
• Result Through which inferences are drawn
• Frame Axioms phrases that describe the
  environment
• HERE COMES THE PROBLEM OF INFERENCE

3
Problems in Frame Problem

• Frame Problem is a temporal problem
• Inferential Problem How to judge the world
• Raminification Problem Deviation within the
  environment
• Prediction Problem Uncertainty for positive
  results
• Qualification Problem which rules qualify ?
• Representation Problem true knowledge repository

4
Resolving Frame Problem

• Agent must examine current facts
• Relevant/Irrelevant Changes
• Representing Facts
• Semantic word meaning pairs
• Syntactic structures and patterns
• Problems with Fact Representation

5
Requirements for Solution

• Achieving right level of generality/speciality
• Staying truthful to intuitions
• Truth and Soundness
• Concreteness

6
Techniques for Solution

• Some of the methods for resolving
• Non-Deductive emulate human actions
• Deductive Based on Logic
• Frames and Scripts
• Causal Approach
• Probabilistic Approach