DalalDistance

java.lang.Object
- net.sf.tweety.logics.pl.analysis.PossibleWorldDistance
- - net.sf.tweety.logics.pl.analysis.DalalDistance

All Implemented Interfaces:

InterpretationDistance<PossibleWorld,PlBeliefSet,PlFormula>
```
public class DalalDistance
extends PossibleWorldDistance
```
This class models the dalal distance measure between possible worlds, see e.g. [Grant, Hunter. Distance-based Measures of Inconsistency, ECSQARU'13]. It returns the number of propositions two possible possible worlds differ.

Author:

Matthias Thimm

- Constructor Summary
  
  Constructors
  Constructor Description
  
  DalalDistance()
- Method Summary
  
  Modifier and Type Method Description
  
  double distance(PossibleWorld a, PossibleWorld b)
  Measures the distance between the two given interpretations.
  - Methods inherited from class net.sf.tweety.logics.pl.analysis.PossibleWorldDistance
    distance
  - Methods inherited from class java.lang.Object
    equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
  - DalalDistance
```
public DalalDistance()
```
- Method Detail
  - distance
```
public double distance(PossibleWorld a,
                       PossibleWorld b)
```
    Description copied from interface: InterpretationDistance
    
    Measures the distance between the two given interpretations.
    
    Specified by:
    
    distance in interface InterpretationDistance<PossibleWorld,PlBeliefSet,PlFormula>
    
    Specified by:
    
    distance in class PossibleWorldDistance
    
    Parameters:
    
    a - some interpretation
    
    b - some interpretation
    
    Returns:
    
    the distance between the two given interpretations.