中文摘要：

[目的／意义]开放数据运动改变了公共信息再利用的环境，从信息再利用经营模式分析入手进行分析，有助于全面了解和掌握开放数据环境下公共信息再利用的特点及运行规律。[方法／过程]通过国内外文献比较和企业开放数据再利用案例分析，深入总结开放数据对公共信息再利用的影响，进而对数据开放前后公共信息再利用经营模式差异进行比较。[结果／结论]开放数据不仅扩展了公共信息再利用的视野，改变了其市场结构，增强了信息企业的主体地位，而且还推动了企业信息再利用经营模式的创新，促使其盈利方式更加丰富，更加注重用户资源开发，市场结构与企业运营更加精细。

英文摘要：

[ Purpose/significance ] Open data movement is changing the environment of public information reuse. Starting with business models analysis can help us realize features and operation rules of public information reuse under open data environment. [ Method/process ] Basedon relevant literature comparison home and abroad, together with case analysis about open data reuse, this paper summaries the impacts of open data on public information reuse in-depth, then making a comparison between different business models of public information reuse before and after open data implementation. [ Result/conclusion ] Open data not only expands the view of public information reuse, changing its market structure and strengthening information enterprise＇ s status as main body, it also promotes the innovation of enterprisebusiness model in information reuse, enriching its profit modes, paying more attention to the development of user resources accompanied with fine market structure and business operation.