Frames

Common Sense Reasoning

Frames are knowledge structures with Slots and Fillers

Example

Ashok ate a frog

Ate
subject	Ashok

object | a frog location | time | utensils | object-alive | false object-is | in-subject subject-mood | happy

Complex Frames

Properties

• Stereotypical
• Default values (and exception management)
• Inheritance (animal to ant, human etc)
• Like OOP, there could also be instances

Frames and Semantic Networks

..are closely related..

Extract Frames