Presentation slides from a lecture given at the University of the West of England (UWE) as part of the Advanced Information Systems module of the MSc in Library and Library Management, University of the West of England Frenchay Campus, Bristol, February 27, 2008

1. Digital preservation: an introduction Michael Day UKOLN, University of Bath, UK [email_address] University of the West of England, MSc in Information and Library Management, Advanced Information Systems module Frenchay Campus, Bristol, 27 February 2008

3. Definitions

9. Contexts

14. The digital preservation problem

25. Digital preservation strategies

38. Case study Rescue of content from BBC Domesday videodiscs

44. The OAIS reference model

48. OAIS Functional Model (2) Administration Ingest Archival Storage Access Data Management Descriptive info. PRODUCER CONSUMER MANAGEMENT queries result sets Descriptive info. Preservation Planning orders OAIS Functional Entities (Figure 4-1) SIP SIP SIP DIP DIP AIP AIP

51. Preservation metadata

54. If we start with an object ... ... we will need to answer some questions about it ...

55. Are there any other dependencies? Who created this object? Is this software currently available? Who made these changes? What intellectual property rights are vested in the object? Who currently has custody of this object? Has the object been changed in any way since ingest? Is the object related to other objects located within this (or any other) repository? Can I be sure that the object is what it claims to be? What software will I need to render it? What format is it? Is there a codebook ? Who has previously had custody of this object?

59. OAIS Functional Model (reprise) Administration Ingest Archival Storage Access Data Management Descriptive info. PRODUCER CONSUMER MANAGEMENT queries result sets Descriptive info. Preservation Planning orders OAIS Functional Entities (Figure 4-1) SIP SIP SIP DIP DIP AIP AIP

62. Preservation Description Information Reference Information Provenance Information Context Information Fixity Information Preservation Description Information: The OAIS model (4) OAIS Information Package Taxonomy (Figure 4-14)

67. Integrity Viability Renderability Priscilla Caplan's revised Preservation Pyramid (2005) Description Secure storage Media management Availability Identity Capture Selection Understandability Authenticity Preservation strategies

72. Non-technical issues

78. Some projects and initiatives

88. Case study Collecting and preserving Web content

99. [January 1997]

100. Compare with …

105. Summing up

107. Further information