Research Article

The Improved Combination Rule of D Numbers and Its Application in Radiation Source Identification

Table 1

Similarities and differences of D numbers and DS theory.

DS theoryD numbers

DifferencesThe elements in the frame of discernmentMutually exclusive
Basic probability assignmentComplete
Major application fieldsAn extension of probability theory and Bayesian theoryMultiattribute decision-making
Combination ruleSatisfies the associative propertyDoesn’t satisfy the associative property

SimilaritiesA theory to express uncertain information