PPT Slide

Data Entities Discover Locate Request Deliver

Collection & Service

Descriptions

Information Object

Descriptions (potentially

multi-level & multi faced)

Information Objects -

physical / digital

Terms of Availability

Order Information

User Information

User Processes (Potentially Iterative)

Information

Object

Identifier(match)

Information

Object

Identifier

Information

Object

Identifier +

Order

Information

Helper Applications eg Security

Reference model

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