Interoperability (cont’d)

• Integrated Analysis Environment (IRAF, AIPS++, etc.)

  • Standard Interfaces for Software Modules
  • Data Format Standards (FITS, ASCII, IEEE Binary, Astronomical XML)

• Semantic Interoperability

  • Data Understanding (Domain Context)

    • Human Interface, S/W Mapping, Object-oriented Mapping
  • Data Annotation (Metadata)
  • Data Organization

    • Indexing for Fast Access
  • Query Optimization across Multiple Sites

    • Query Plan Execution
  • Cross-correlation on a Large Scale

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