UtilityFunction

All Known Implementing Classes:: CountingUtilityFunction, IndicatorUtilityFunction, MultipleIndicatorUtilityFunction

public interface UtilityFunction

This interface models an utility function, i.e. a function that maps sets of propositions to an integer and thus ranking sets of propositions.

Author:: Matthias Thimm

Method Summary

Modifier and Type

Method

Description

int

rank(Collection<? extends Proposition> propositions)

Rank the given collection of propositions.

Method Details
- rank
  
  int rank(Collection<? extends Proposition> propositions)
  
  Rank the given collection of propositions. A set S is preferred to a set T if rank(S)>rank(T).
  
  Parameters:
  
  propositions - a collection of propositions.
  
  Returns:
  
  the rank of the given collection.