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Frames (Limitations (Can represent disjunction (OR) in the values of slots…
Frames
Limitations
Can represent disjunction (OR) in the values of slots but not in
attributes/slots
Can be difficult to program for large domains
Static knowledge structure
Basic Concepts and Notation
All relevant knowledge about a given concept is captured in a frame
A frame is a record of information relevant to stereotyped entities
Reasoning: Transitivity and Inheritance
Transitivity and inheritance are mechanism that allow us to derive ‘new’
knowledge
Inheritance allows us also to inherit properties and rules from the related
concepts
Reasoning with Frames
Basic belief: people cope with new situations by retrieving similar
situations
Inference through inheritance
Advantages
Ability to represent hierarchical knowledge and stereotypical knowledge
Powerful tool to represent declarative and procedural knowledge
Definition
A frame is a static representation of well understood or stereotyped situations
capture procedural knowledge
classification applications
common sense thought