Northwestern and DIL: One large compound object for image data streams and a sibling object containing VRA Work type metadata
- DELIV-OPS datastream stores crop information
- ARCHV-IMG and ARCHV-EXIF are archive copies of TIFFs only (not for display), they are EXTERNAL DATASTREAMS, external to have different storage strategy for larger files
- VRA Work object (descriptive metadata)
  - describes the thing that is actually photographed (eg. a building)
  - in UI shows related images using VRA work relationships (i.e.. sculptor, painter)
- Duke, U of Oregon, and Oregon State interested in using DIL code (and interested in Hydra)

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