Then, the complementary judgment matrices are aggregated into a group preference matrix by the OWA operator and the best alternative is determined by computing the dominance of every alternative.

• 采用OWA算子将每个决策者给出语言判断矩阵所对应的互补判断矩阵集结为群的偏好矩阵，并通过计算每个方案的优势度来确定最优方案；