Metadata interfaces and XML: The JOLAP metadata interfaces are a subset of the CWM and include extensions for requirements specific to JOLAP.

元数据接口和 XML：JOLAP 元数据接口是 CWM 的一个子集，包括针对特定于 JOLAP 需求的扩展。

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In short, the Learning Registry has created open application programming interfaces (APIs) that allow publishers and others to quickly publish metadata and paradata about their content.

FORBES: Learning Registry Looks to Give Educators the Resources They Need