07_Frames

Question 1

What is a “Frame”?

Answer 1

A knowledge STRUCTURE. They are the chemical equivalent of a molecule. It’s a knowledge structure that groups production rules (atoms) into a logical hierarchy (molecules).

Frames and OOP arose at the same time in the 1960s and 1970s, hence the overlap in terminology and concepts in both.

Question 2

What are “slots” and “fillers”?

Answer 2

Essentially just a list of Key:Value pairs that make up a frame.

Question 3

What are the properties of frames?

Answer 3

1. Represent stereotypes
2. Provide default values (and exception handling)
3. Exhibit inheritance

Question 4

Are frames representationally equivalent to semantic nets?

Answer 4

True