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This wiki records the recommendations of the Data Format Working Group, which is charged by the International X-ray Absorption Society and the Commission on XAFS of the IUCr to recommend standards for the representation of X-ray Absorption Spectroscopy (XAS) data and for data from related measurements.

Our main areas of discussion are

• Textual data interchange format
  • Data-Interchange: Discussion of data interchange issues
  • Data-Interchange-Recommendations: Recommendations for data interchange
  • Dictionary-of-Metadata: tag names, meanings, and values
• Hierarchical representations of hyperspectral data
• Relational representations of libraries of data

Additional areas of discussion include

• Recording and representation of raw data
• Recording and representation of the analysis chain