Case-Based Reasoning

In CBR the instances are represented by rich symbolic descriptions, not by points in space.
Useful when we can't represent instances as points in space.

The representations often use symbolic logic representations. The examples consist of a series of facts

((user-complaint error53-on-shutdown)
 (cpu-model PowerPC)
 (operating-system Windows)
 (network-connection PCIA)
 (memory 48meg)
 (installed-applications Excel Netscape VirusScan)
 (disk 1gig)
 (likely-cause ???))