R | | | | ) , ( ' k W k W i W k W i W R ∩ = } ) 1 ( ) ( | { U M i s J j j H w w k W − = ∈ = ʢ̍ʣ iɿεϥΠυ൪߸ j ɿൃID Mɿൃͷ૯ ) ( j H ɿൃID͕ ͷ߹ͷൃ j i WɿεϥΠυͷ୯ޠͷू߹ k W ɿ͋Δൣғͷൃ܈ʹؚ·ΕΔ୯ޠͷू߹ ) (i j s ɿׂͷൃID wɿ̍୯ޠ
S + ͔Β ʹҠಈ͢Δ߹ͷείΞ } ) ' ( | { ) ' ( ) , ( ) | ( 1 ) 1 ( ' ' ' ' ) 1 ( U + + − − = + ∈ = + = i N M i J j k k i j i ij s j H w w W j L W W R S S Score N ɿεϥΠυͷຕ ' j ɿલͷεςʔτ͔ΒଓՄೳͳൃID