A Hierarchical Thesaurus Display

artificial intelligence
. cooperative systems
. fuzzy control
. generalisation
. knowledge engineering
. . belief maintenance
. . explanation
. . inference mechanisms
. . . case-based reasoning
. . . common-sense reasoning
. . . model-based reasoning
. . . nonmonotonic reasoning
. . . spatial reasoning
. . . temporal reasoning
. . knowledge acquisition
. . knowledge representation
. . . blackboard architecture
. . . semantic networks
. . truth maintenance
. learning
. . Hebbian learning
. . backpropagation
. . learning by example
. . unsupervised learning
. planning
. . path planning
. uncertainty