expt2altA

expt2altA is a data transformation module used in experimental data processing to convert configurations and results from an expt schema to an alternate schema named altA. It is designed to support interoperability, reproducibility, and long-term archival of experimental data across heterogeneous systems.

The module operates by applying a mapping repository that defines how fields in expt correspond to fields in altA, how units should be normalized, and how provenance information should be preserved. It accepts input in common formats such as JSON, YAML, or XML and produces a consistent altA representation.

A typical workflow involves loading the mapping, validating the input, applying field renames and value transformations, performing unit conversions when needed, and appending source provenance. The output can be consumed by downstream analytics, repository upload, or cross-system exchanges.

Common use cases include exchanging experimental configurations between laboratories, exporting results to altA-compliant repositories, and integrating with workflow managers that expect altA-formatted data.

Originating in collaborative data ecosystems in the late 2010s, expt2altA has evolved through community contributions and official releases. It is typically distributed as open-source software with documentation and example mappings.

Related tools include expt2altB and other schema-mapping utilities that address alternative representations and broader interoperability needs.

Limitations include reliance on complete and accurate mappings; complex nested structures may require custom adapters, and large datasets can demand careful performance tuning.