The meaning of data sources is comprehensive to the related applications and special users but, computer, which is the key to the wide existence of isolated information nodes inside enterprise.

• 摘要当前企业内部广泛存在信息孤岛的关键是因为信息的语义只对与数据源相关的应用程序和特定的用户是可理解的，而计算机无法理解和处理信息的语义。