最后作者结合实际课题，设计并成功完成了一个公共信息交互平台，对信息整合进行了有效性验证。
At the last, the author designs a common information interaction platform and completes it successfully combined with the actual task, which is the validation to information conformity.
而P2P网络信息交互平台的开源计划，为继续改进完善，创造了有利条件，为最终实现商业化应用，提供了机会。
Moreover, the open-source plan of the P2P NIIP creates favorable conditions for its further improvement and provides chances to the final fulfillment of its commercialized application.
这样就造成了系统难以横向拓展，不能很好地进行业务联动，如何利用已建立的地理信息系统，建立整个城市范围的地理信息交互平台，是目前重要的研究课题。
Nowadays, one of the most significant research subjects related to Digital City is how to build a unified platform on which data can share and interact by making use of the established GIS.
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