SEE THE SOURCES USED FOR THE GLOSSARY DEFINITIONS HERE
Set of nodes obtained by applying a set of operators or moves to the current node.
Bookkeeping data structure used during the search process.
NODE (SEARCH TREE)
Search tree nodes are the data structures from which the search tree is constructed. Each has a parent, a state, the action that was applied to the parent to generate the node, and the cost of the path from the initial state to the node.
NODE DEPTH (SEARCH TREE)
The number of steps along the path from the search tree root.