0.0.1: First draft BIH data dictionary.
This dictionary is very simplified and will be used to load metadata from connected imaging nodes into sheepdog so we can leverage Tube's ETL to ElasticSearch for powering search in the BIH.
In this initial draft version, there are just 4 linear nodes (in addition to the standard program/project/CMC) that mirror the DICOM imaging standard hierarchy:
dataset <- case <- imaging_study <- imaging_series