UC-1.4

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Main Page > Requirements > OAIS Use Cases > UC-1 Ingest > UC 1.4 Generation of Descriptive Information

[edit] UC-1.4 Generation of Descriptive Information

Summary
Number UC-1.4
Name Generation of Descriptive Information
Context UC-1 Ingest
Sub-Use Cases None
Overview Generate Descriptive Information extracts Descriptive Information from the AIP and collects Descriptive Information from other sources to provide to Coordinate Updates.
Actors
  • Generate AIP
  • Generate Descriptive Information
  • Coordinate Updates
  • Administrator
Description
Preconditions UC-1.3 Generation of AIP
Trigger Generate AIP provides AIP to Generate Descriptive Information (Step 9 of UC-1.3)
Successful outcome Generate Descriptive Information provides Descriptive Information to Coordinate Updates.
Steps
  1. Generate Descriptive Information receives AIP from Generate AIP (OAIS Figure 4-2:Functions of Ingest Page 4-5)
  2. Generate Descriptive Information extracts Descriptive Information from AIP (OAIS Page 4-6)
  3. Administrator provides additional Descriptive Information for AIP (OAIS Page 4-6, "other sources")
  4. Generate Descriptive Information sends Descriptive Information to Coordinate Updates (OAIS Page 4-6)
Exceptions
  • If AIP is already in Archival Storage, Step 2 does not apply.
Documentation
Citations OAIS
  • Page 4-6, Section 4.1.1.2 "The Generate Descriptive Information function extracts Descriptive Information from the AIPs and collects Descriptive Information from other sources to provide to Coordinate Updates, and ultimately Data Management. This includes metadata to support searching and retrieving AIPs (e.g., who, what, when, where, why), and could also include special browse products (thumbnails, images) to be used by Finding Aids."
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