can be represented in data structures(trees,list) and interpretive procedures(search, sort). categories of this term are objects, events, performance, meta knowledge.
can be represented in data structures(trees,list) and interpretive procedures(search, sort). categories of this term are objects, events, performance, meta knowledge.
-for nominal attributes, rules with logic predicates.  - for real valued attributes; hyper rectangles, decision tree, synthetic prototypes, hyper-ellipsoids.