METS, MBRS and Audiovisual Preservation

1
METS, MBRS and Audiovisual Preservation

• MAVIS Users Conference
• November 6, 2003
• Dick Thaxter, Library of Congress

2
Digital A/V Preservation Project

• Carl Fleischhauer on loan to MBRS from 1999-2003
• Focus on digital preservation process, formats,
  and most importantly, metadata
• In search of a schema Making of America II
  becomes METS
• METS development adopted by LC
• METS coming out party last week

3
Reference Model for an Open Archival Information
System (OAIS)
PRESERVATION PLANNING
P R O D U C E R S
C O N S U M E R S
DATA MANAGEMENT
INGEST
ACCESS
ARCHIVAL STORAGE
ADMINISTRATION
SIPs (Submission Information Packages) will be
produced by the AV preservation activity, ready
to submit to LCs future digital repository.
4
METS uses

• The OAIS Model
• Archival IP - long term preservation
• Submission IP- what weve been trying to model
• Dissemination IP- sent to end users

5
Builder data entry
Blue terms are used to select separate data entry
screens
entry screen
Example of data
6
OUTCOME ONE VIRTUAL DIGITAL OBJECT The fileGrp
segment of a METS instance binds the
object Includes logical pathnames for files,
future switch to persistent names possible.
7
OUTCOME 2 PRESENTATION OF OBJECT Presentation in
Browser
8
Zoom on Image in Presentation
9
In the Presentation Metadata Map for the
Dedicated
10
METS distributed data model

• Success with simple objects compiled from several
  sources
• MAVIS will supply source metadata and possibly
  more
• Use of METS profiles a templating feature of
  METS
• NBC Radio, 78s projects during 2004

11
Whats Next?

• Direct support of METS in MAVIS?
• How to represent the n-tiered METS structmap?
• What metadata do we really want to keep?
• How are digital objects and their metadata stored
  for access and for long-term preservation

12
More on METS

• METS home page http//www.loc.gov/mets
• Digital Preservation Prototype website
  http//lcweb.loc.gov/rr/mopic/avprot/avprhome.html
  (linked from LC Motion Picture and TV home page)
• METS opening day presentations available soon