DICOM PS3.4 2021d - Service Class Specifications

Z.2 Composite Instance Retrieve Without Bulk Data Information Model Definition (Current)
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## Z.2 Composite Instance Retrieve Without Bulk Data Information Model Definition

The Composite Instance Retrieve Without Bulk Data Information Model is identified by the SOP Class negotiated at Association establishment time. The SOP Class is composed of both an Information Model and a DIMSE-C Service Group.

### Note

This SOP Class identifies the class of the Composite Instance Retrieve Without Bulk Data Information Model (i.e., not the SOP Class of the stored SOP Instances for which the SCP has information).

Information Model Definitions for Standard SOP Classes of the Composite Instance Retrieve Without Bulk Data Service are defined in this Annex. A Composite Instance Retrieve Without Bulk Data Information Model Definition contains:

- Entity-Relationship Model Definition

- Key Attributes Definition

### Z.2.1 Entity-Relationship Model Definition

For any Composite Instance Retrieve Without Bulk Data Information Model, an Entity-Relationship Model defines a hierarchy of entities, with Attributes defined for each level in the hierarchy (e.g., Composite Instance, Frame)..

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DICOM PS3.4 2021d - Service Class Specifications