▁out lined ▁the ▁method . ▁ ▁Given ▁a ▁set ▁of ▁criteria ▁C ▁and ▁a ▁lattice ▁L ▁with ▁ordering ▁E , ▁Schmidt ▁defines ▁a ▁rel ational ▁measure ▁ μ ▁from ▁the ▁power ▁set ▁on ▁C ▁into ▁L ▁that ▁respect s ▁the ▁order ▁ Ω ▁on ▁ <0xE2> <0x84> <0x99> ( C ): ▁The ▁tools ▁of ▁the ▁calculus ▁of ▁relations , ▁including ▁composition ▁of ▁relations , ▁are ▁used ▁to ▁express ▁this ▁respect : ▁    μ ▁takes ▁the ▁empty ▁subset ▁of ▁ <0xE2> <0x84> <0x99> ( C ) ▁to ▁the ▁least ▁element ▁of ▁L , ▁and ▁takes ▁C ▁to ▁the ▁greatest ▁element ▁of ▁L . ▁ ▁Schmidt ▁comp ares ▁ μ ▁with ▁the ▁belief ▁function ▁of ▁Sch a fer , ▁and ▁he ▁also ▁cons iders ▁a ▁method ▁of ▁combining ▁measures ▁general izing ▁the ▁approach ▁of ▁D emp ster ▁( when ▁new ▁evidence ▁is ▁combined ▁with ▁previously ▁held ▁evidence ). ▁He ▁also ▁introdu ces ▁a ▁rel ational ▁integral ▁and ▁comp ares ▁it ▁to ▁the ▁Cho quet ▁integral ▁and ▁Sug eno ▁integral . ▁Any ▁relation ▁m ▁between ▁C ▁and ▁L ▁may ▁be ▁introduced ▁as ▁a ▁" direct ▁valu ation ", ▁then ▁processed ▁with ▁the ▁calculus ▁of ▁relations ▁to ▁obtain ▁a ▁possibility ▁measure ▁ μ . ▁ ▁See ▁also ▁Im prec ise ▁probability ▁Upper ▁and ▁lower ▁prob abilities ▁Poss ibility ▁theory ▁Pro b abil istic ▁logic ▁Bay es ' ▁theorem ▁Bay esian ▁network ▁G . ▁L . ▁S . ▁Sh ack le ▁Transfer able ▁belief ▁model ▁Info - g ap ▁decision ▁theory ▁Sub jective ▁logic ▁Do x astic