T. Murofushi et al., CANONICAL SEPARATED HIERARCHICAL DECOMPOSITION OF THE CHOQUET INTEGRAL OVER A FINITE-SET, International journal of uncertainty, fuzziness and knowledge-based systems, 6(3), 1998, pp. 257-272
The paper shows the existence of a canonical separated hierarchical de
composition of the Choquet integral over a finite set. The decomposed
system is a hierarchical combination of Choquet integrals with mutuall
y disjoint domains, and equivalent to the original Choquet integral. T
he paper also gives canonical overlapped hierarchical decompositions o
f the Choquet integral over a semiatom.