Accepting the natural order of rules in a logic program with preferences

ŠImko, Alexander
Preference is a natural part of common sense reasoning. It allows us to select preferred conclusions from broader range of alternative conclusions. It is typically specified on parts of conclusions or on rules. Different semantics have been proposed that deal with preference on rules. None fully meets our requirements. We are interested in a descriptive approach to preference handling in logic programs under answer set semantics that always selects preferred answer set when standard one...