Which term describes the difficulty of determining which parts of a model remain valid when the environment changes?

Which term describes the difficulty of determining which parts of a model remain valid when the environment changes?

• A. Binary Search
• B. Frame Problem
• C. GOFAI
• D. Inscrutability

Answer: (B)

The frame problem captures the difficulty of determining which parts of a model stay valid when the environment changes. In reasoning and planning, actions cause some facts to change while most other facts should simply persist. Figuring out which facts must be updated, and which can be assumed to remain true, is hard because you don’t want to enumerate every non-change for every action. This led to ideas like frame axioms to specify persistence, and to the broader need for efficient ways to represent inertia in dynamic worlds. For example, if a robot moves, you must recognize that the robot’s new location changes while the walls’ colors, the ceiling’s brightness, or other unrelated facts continue to hold unless the action directly affects them. That persistence challenge is what the frame problem is about. Other terms listed refer to different ideas—binary search is a search technique, GOFAI refers to symbolic AI approaches in general, and inscrutability deals with opacity of model reasoning—not the issue of maintaining valid parts of a model as the environment shifts.

The frame problem captures the difficulty of determining which parts of a model stay valid when the environment changes. In reasoning and planning, actions cause some facts to change while most other facts should simply persist. Figuring out which facts must be updated, and which can be assumed to remain true, is hard because you don’t want to enumerate every non-change for every action. This led to ideas like frame axioms to specify persistence, and to the broader need for efficient ways to represent inertia in dynamic worlds. For example, if a robot moves, you must recognize that the robot’s new location changes while the walls’ colors, the ceiling’s brightness, or other unrelated facts continue to hold unless the action directly affects them. That persistence challenge is what the frame problem is about. Other terms listed refer to different ideas—binary search is a search technique, GOFAI refers to symbolic AI approaches in general, and inscrutability deals with opacity of model reasoning—not the issue of maintaining valid parts of a model as the environment shifts.