In the Open Data Portal Germany (OPAL) project, a pipeline of the following data refinement steps has been developed: requirements analysis, data acquisition, analysis, conversion, integration and selection. 800,000 datasets in DCAT format have been produced.

中文翻译：

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德国开放数据门户（OPAL）

在德国开放数据门户（OPAL）项目中，开发了以下数据优化步骤的管道：需求分析，数据获取，分析，转换，集成和选择。已产生800,000个DCAT格式的数据集。