Guides: Structured Data: Feature Guides: Content Types: Dataset  |  Google Search  |  Google Developers

"...Datasets are easier to find when you provide supporting information such as their name, description, creator and distribution formats are provided as structured data. Google's approach to dataset discovery makes use of schema.org and other metadata standards that can be added to pages that describe datasets. The purpose of this markup is to improve discovery of datasets from fields such as life sciences, social sciences, machine learning, civic and government data, and more...."