Respectful type converters

Wing, Jeannette M.; Ockerbloom, John Mark

doi:10.1109/32.859529

Cited by 13 publications

(4 citation statements)

References 8 publications

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“…This indicates that sub-typing plays an important role w.r.t. preservation of object content, as proposed elsewhere [6]. Thus, the constraint pres o (doc → P DF, doc[P DF ]) assures that all content of "doc.pdf" is preserved in case it is transformed.…”

Section: Transformation and Preservati-on Constraintsmentioning

confidence: 99%

Preservation-centric and constraint-based migration of digital documents

Triebsees

Borghoff

2006

Proceedings of the 2006 ACM Symposium on Document Engineering

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We introduce a framework that supports archivists in planning and running migrations. The central idea is that -once relevant information pieces of digital documents are modeled -desired migration results can be specified by means of preservation constraints. From these constraint specifications we are able to derive migration algorithms that provably respect a set of document properties before (pre-conditions) and after migration (post-conditions). Underlying is the concept of Abstract State Machines (ASM) modeling archival states. Migrations are modeled as sequences of basic operations that change the archive's state while respecting userdefined constraints. Among others, our target scenarios comprise legal and medical documents where considerable property changes cannot be tolerated and where constraint preservation must hold over a long period of time.

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Section: Transformation and Preservati-on Constraintsmentioning

confidence: 99%

Preservation-centric and constraint-based migration of digital documents

Triebsees

Borghoff

2006

Proceedings of the 2006 ACM Symposium on Document Engineering

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“…Two other projects, the Typed-Object Model (TOM) [18] and the Format REgistry Demonstration (FRED) [19], are designed to offer disturbed service for preservation of digital objects. However it is unclear how either of these two projects will interface with current initiatives and existing systems.…”

Section: Current Technical Strategiesmentioning

confidence: 99%

A semi-automated digital preservation system based on semantic web services

Hunter¹,

Choudhury²

2004

Proceedings of the 4th ACM/IEEE-CS Joint Conference on Digital Libraries

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This paper describes a Web-services-based system which we have developed to enable organizations to semi-automatically preserve their digital collections by dynamically discovering and invoking the most appropriate preservation service, as it is required. By periodically comparing preservation metadata for digital objects in a collection with a software version registry, potential object obsolescence can be detected and a notification message sent to the relevant agent. By making preservation software modules available as Web services and describing them semantically using a machine-processable ontology (OWL-S), the most appropriate preservation service(s) for each object can then be automatically discovered, composed and invoked by software agents (with optional human input at critical decisionmaking steps). We believe that this approach represents a significant advance towards providing a viable, cost-effective solution to the long term preservation of large-scale collections of digital objects.

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“…Data processing modules such as format identification and verification tools [Ferro 2016], information object converters [Wing and Ockerbloom 2000] or data acquisition modules [Nardo et al 2013] are essential components of information systems. Verification of their functional correctness -the "degree to which a product or system provides the correct results with the needed degree of precision" [ISO 2011]-is an inevitable prerequisite for relying on their outputs.…”

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confidence: 99%

“…For example, the key challenge in developing test suites to ensure correct data acquisition operations in mission-critical environments lies in the test data [Nardo et al 2013]. In digital preservation, technical interventions such as migration to new formats must respect the original type [Wing and Ockerbloom 2000] so that the result can be considered an authentic reproduction of the original. This must be verified through independent tests that extract features of the original and resulting objects to facilitate comparison [Milic-Frayling 2010].…”

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confidence: 99%