In order to enhance the performance for enterprises to manage their digital documents and domain knowledge , automatic document classification has become a key issue for enterprise knowledge management 由于电子化文件之内容充满复杂性与多样性,故以人工决策之方式判断文件类别不仅不符合经济效益且其处理速度亦十分缓慢;此外,文件类别认定标准亦难维持一致性。