Devina DesaiF r a m e P r o b l e m 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 agent’s conclusion based on that knowledge Discarding negative inferences

Devina DesaiF r a m e P r o b l e m 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

Devina DesaiF r a m e P r o b l e m 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

Devina DesaiF r a m e P r o b l e m 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

Devina DesaiF r a m e P r o b l e m Requirements for Solution Achieving right level of generality/speciality Staying truthful to intuitions Truth and Soundness Concreteness

Devina DesaiF r a m e P r o b l e m 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