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Preserving digital information

Author: Henry M Gladney
Publisher: Berlin ; New York : Springer, ©2007.
Edition/Format:   Print book : EnglishView all editions and formats
Summary:
"Cultural history enthusiasts have asserted the urgent need to protect digital information from imminent loss. Without action, much of what has been created in digital form is likely to become unusable." "Henry M. Gladney outlines a technical solution and justifies its correctness and optimality. His presentation focuses on long-term digital preservation principles as a basis for producing the software that will be  Read more...
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Material Type: Internet resource
Document Type: Book, Internet Resource
All Authors / Contributors: Henry M Gladney
ISBN: 9783540378860 3540378863
OCLC Number: 85782386
Description: xxiii, 314 pages : illustrations ; 24 cm
Contents: Part I: Why we need long-term digital preservation : State of the art : What is digital information preservation? ; What would a preservation solution provide? ; Why do digital data seem to present difficulties? ; Characteristics of preservation solutions ; Technical objectives and scope limitations --
Economic trends and social issues : The information revolution ; Economic and technical trends ; Digital storage devices ; Search technology ; Democratization of information ; Social issues ; Documents as social instruments ; Ironic? ; Future of the research libraries ; Cultural chasm around information science ; Preservation community and technology vendors ; Why so slow toward practical preservation? ; Selection criteria: what is worth saving? ; Cultural works ; Video history ; Bureaucratic records ; Scientific data --
Part II: Information object structure : Introduction to knowledge theory : Conceptual objects: values and patterns ; Ostensive definition and names ; Objective and subjective: not a technological issue ; Facts and values: how can we distinguish? ; Representation theory: signs and sentence meanings ; Documents and libraries: collections, sets, and classes ; Syntax, semantics, and rules --
Lessons from scientific philosophy : Intentional and accidental information ; Distinctions sought and avoided ; Information and knowledge: tacit and human aspects ; Trusted and trustworthy ; Relationships and ontologies ; What copyright protection teaches --
Trust and authenticity : What can we trust? ; What do we mean by 'authentic'? ; Authenticity for different information genres ; Digital objects ; Transformed digital objects and analog signals ; Material artifacts ; Natural objects ; Artistic performances and recipes ; Literature and literary commentary ; How can we preserve dynamic resources? --
Describing information structure : Testable archived information ; Syntax specification with formal languages ; String syntax definition with regular expressions ; BNF for program and file format specification ; ASN.1 Standards definition language ; Schema definitions for XML ; Monographs and collections ; Digital object schema ; Relationships and relations ; Names and identifiers, references, pointers, and links ; Representing value sets ; XML "glue" From ontology to architecture and design ; From the OASI reference model to architecture ; Languages for describing structure ; Semantic interoperability ; Metadata ; Metadata standards and registries ; Dublin Core metadata ; Metadata for Scholarly Works (METS) ; Archiving and preservation metadata --
Part III: Distributed content management : Digital object formats : Character sets and fonts ; Extended ASCII ; Unicode/UCS and UTF-8 ; File formats ; FIle Format identification, validation, and registries ; Text and Office documents ; Still pictures: images and vector graphics ; Audio-visual recordings ; Relational databases ; Describing computer programs ; Multimedia objects ; Perpetually unique resource identifiers ; Equality of digital documents ; Requirements for UUIDs ; Identifier syntax and resolution ; A digital resource identifier ; The "info" URI --
Archiving practices : Security ; PKCS specification ; Audit trail, business controls, and evidence ; Authentication with cryptographic certificates ; Trust structures and key management ; Time stamp evidence ; Access control and digital rights management ; Recordkeeping standards ; Archival best practices ; Repository audit and certification --
Everyday digital content management : Software layering ; A model of storage stack development ; Repository architecture ; Lowest levels of the storage stack ; Repository catalog ; A document storage subsystem ; Archival storage layer ; Institutional repository services ; Archival collection types ; Collections of academic and cultural works ; Bureaucratic file cabinets ; Audio/video archives ; Web page collections ; Personal repositories. Part IV: Digital object architecture for the long term Durable bit-strings and catalogs : Media longevity ; Magnetic disks ; Magnetic tapes ; Optical media ; Replication to protect bit-strings ; Repository catalog [double-ended arrow] collection consistency ; Collection ingestion and sharing --
Durable evidence : Structure of each trustworthy digital object ; Record versions: a trust model for consumers ; Protection block content and structure ; Document packaging and version management ; Infrastructure for trustworthy digital objects ; Certification by a trustworthy institution (TI) ; Consumers' tests of authenticity and provenance ; Other ways to make documents trustworthy --
Durable representation : Representation alternatives ; How can we keep content blobs intelligible? Alternatives to durable encoding ; Encoding based on open standards ; How durable encoding is different ; Design of a durable encoding environment ; Preserving complex data blobs as payload elements ; Preserving programs as payload elements ; Universal virtual computer and its use ; Pilot UVC implementation and testing --
Part V: Peroration : Assessment and the future : Preservation based on trustworthy digital objects ; TDO design summary ; Properties of TDO collections ; Explaining digital preservation ; A pilot installation and next steps ; Open challenges of metadata creation ; Applied knowledge theory ; Assessment of the TDO methodology ; Summary and conclusion --
Appendices : A. Acronyms and glossary --
B. Uniform Resource Identifier syntax --
C. Repository requirements --
D. Assessment with independent criteria --
E. Universal virtual computer specification : Memory model ; Machine status registers ; Machine instruction codes ; Organization of an archived module ; Application example --
F. Software modules wanted.
Responsibility: Henry M. Gladney.
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Abstract:

Cultural history enthusiasts have asserted the urgent need to protect digital information from imminent loss. It justifies this methodology using 20th century theory of knowledge communication, and  Read more...

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From the reviews:"The book provides a wide range of examples that illustrate the various types of information. It is for producers and users who may be interested in long-term archiving and retrieval Read more...

 
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