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U.S. Geological Survey

Data standards are the guidelines by which data are described and recorded. In order to share, exchange, combine and understand data, we must standardize the format as well as the meaning.

HEAL Data Stewards

[HEAL Semantic Search (HSS) 2.0](https://www.healdatafair.org/resources/semantic-search) is now available, bringing a refreshed interface that makes it easier to explore related studies, variables, Common Data Elements (CDEs), and biomedical concepts from a single search; compare how concepts and variables are defined and measured across studies; and access insights from 20 newly added data dictionaries, over 1000 HEAL studies, and 233 CDEs. Get started today by [entering a search term](https://www.healdatafair.org/resources/semantic-search) relevant to your research.

Explore HEAL studies, variables, CDEs, and concepts in [HEAL Semantic Search (HSS) 2.1](https://www.healdatafair.org/resources/semantic-search)!

Semantic Search (HSS)

This tool provides a smart way to uncover concept, study, and variable relationships within the pain and addiction research landscape.

HEAL Semantic Search Tool

Contains HEAL Semantic Search resources including a user guide, tutorials, and other helpful information.

HEAL Semantic Search Resources

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Semantic Search (HSS)

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HEAL Semantic Search Tool

HEAL Semantic Search Resources