[目的/意义]系统介绍美国NISO推荐实施规程ALI的背景、内容、应用及其在开放获取信息交流模式中的作用和影响。[方法/过程]通过翻译ALI的内容，解读其作为一套完整的标准化元数据在为开放获取资源提供可视化标识，在促使用户及时了解某一特定内容的开放状态和再利用权限，以及平衡出版商、作者、下游用户之间权益方面的作用。[结果/结论]ALI对我国构建统一的、标准化的开放资源元数据元素，同时对消除作者的版权顾虑，平衡各方利益，消除其中的法律风险有着重要的借鉴意义，可促进我国开放获取运动规范化发展。
[Purpose/significance]ALI has important reference to the construction of unified and standardized open metadata elements in China, at the same time, eliminate the author's copyright concerns and balance the interests of all parties, and promotes the standardized development of open access movement in China.[Method/process]It introduces the background, content and application of the implementing practice which is recommended by NISO, as well as its role and impact in the open access information exchange model.[Result/conclusion]ALI, as a complete set of standardized metadata, provides a visual identification of open access resources, enabling users to keep abreast of the openness and re-use of a particular content in a timely manner to achieve a balance of rights and interests among the publishers, authors, and end users, to avoid the current chaos on this issue that may lead to legal risks.ALI has been recognized and applied in open access resources, and has played an active role in the sustainable development of open resources.
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