在信息时代,企业公司或者政府机关对信息的过滤,获取有用信息已成为工作效率提高的决定因素。信息流通本身存在一个过程,这个过程与信息过滤密切相关,通过过滤使得原始信息转换为我们需要的决策信息,从而为企业、公司和政府提供依据和决策支持,促进社会效率的提高。 In the information age, the filtration of information and the acquisition of useful information by corporate companies or government agencies have become the determinants of the efficiency of work. There is a process of information circulation itself. This process is closely related to information filtering. The original information is transformed into the decision information we need by filtering so as to provide basis and decision support for enterprises, companies and governments to promote social efficiency.