6.034 Artificial Intelligence - Recitations, fall 2004 online slides on search
	Bidirectional Search Search forward from initial state to goal AND backward from goal to initial state Can prune many options Must consider: Which goal state to use (set of goal states)? How to determine when two searches overlap Which search to use for each direction (DFS probably not good choice) Figure shows two breadth-first searches Run time and space of bidirectional search using a uninformed searches is .