中文摘要：

[目的/意义]基于软件即服务（SaaS）模式,探讨网络信息生态链（NIEC）的应用研究。[方法/过程]在总结NIEC内涵的基础上,提出基于SaaS模式的网络信息生态链（SaaS-NIEC）,并从信息主导、结构和信息交互3个方面将其与NIEC进行对比分析。[结果/结论]SaaS-NIEC在信息结构、信息主体、信息环境和功能优化4个方面发生了进化,达到了新的更高层次的平衡。

英文摘要：

[Purpose/significance] The paper is to base on SaaS mode to discuss applied study of network information ecological chain（NIEC）. [Method/process] The paper summarizes connotation of NIEC, puts forward a SaaS-based network information ecological chain（SaaS-NIEC）, and compares it with NIEC from three aspects of information leading, structure and information interaction.[Result/conclusion] SaaS-NIEC evolves in four aspects of information structure, subject of information, information environment and functional optimization, and achieves a new balance at higher level.