frame

Page numbers are for draft copy at present; they will be replaced with correct numbers when final book is formatted. Chapter numbers are correct and will not change now.

A frame is a knowledge represention structure where each item has a number of slots. For example frames representing animals this might include slots for number_of_legs, flies, or common_name. Slots may be true/false ({Boolean values}}, numbers, or other forms of data including more frames. Frames have similarities to some forms of object-orented systems.

Also known as frame