DIGITAL CURATION AND DIGITAL PRESERVATION: CONCEPTUAL INTERSECTIONS

Santos, Thayse Natália Cantanhede

doi:10.20396/rdbci.v14i3.8646336

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Article - JITA: JH. Digital Preservation • Rev. Digit. Bibl. Cienc. Inf. 14 (3) • Sep-Dec 2016 • https://doi.org/10.20396/rdbci.v14i3.8646336 linkcopy

DIGITAL CURATION AND DIGITAL PRESERVATION: CONCEPTUAL INTERSECTIONS

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Digital curation and digital preservation have as object of interest the maintenance of digital information over time. In the scientific literature, they have close definitions, however, digital curation is presented as a natural evolution of the preservation of digital resources management processes. Digital preservation can be understood as a method, process and model. Thus, it was found that there are points of intersection and differentiation elucidating and indicating why a concept appeared after the other and how each is presented in the face of the importance given to the management of large volumes of data, especially scientific data. After comparing the two concepts it was possible to conclude that there is more unity in the understanding of what curation is than there is in the preservation concepts. As a result, it is concluded that both concepts have fields of action that complement the management of digital information as a whole.

KEYWORDS:
Digital Curation; Digital Preservation; Digital Information Management.

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[TFN22] Source: NDSA Levels of Digital Preservation (NDSA, 2013, online)

	Level 1 (Protect your data)	Level 2 (Know your data)	Level 3 (Monitor your data)	Level 4 (Repair your data)
Storage and Geographic Location	- Two complete copies that are not collocated - For data on heterogeneous media (optical discs, hard drives, etc.)get the content off the medium and into your storage system	- At least three complete copies - At least one copy in a different geographic location - Document your storage system(s) and storage media andwhat you need to use them	- At least one copy in a geographic location with a different disaster threat - Obsolescence monitoring process for your storage system(s) and media	- At least three copy in a geographic location with a different disaster threat - Have a comprehensive plan in place that will keep files and metadata on currently accessible media or system
File Fixity and Data Integrity	- Check file fixity on ingest if has been provided with the content - Create fixty into if it wasn’t provided with the content	- Check fixity on all ingests - Use write-blockers when working with original media - Virus-check high risk content	- Check fixity of content at fixed intervals - Maintain logs of fixity info: supply audit on demand - Ability to detect corrupt data - Virus-check all content	- Check fixity of all content in response to specific events or activities - Ability to replace/repair corrupted data - Ensure no one person has write access to all copies
Information Security	- Identify who has read, write, move, and delete authorization to individual files - Restrict who has those authorizations to individuals files	- Document access restrictions for content	- Maintain logs of who performed what actions on files, including deletions and preservation actions	- Perform audit of logs
Metadata	- Inventory of content and its storage location - Ensure backup and non-collocation of inventory	- Store administrative metadata - Store transformative metadata and log events	- Store standard technical and descriptive metadata	- Store standard preservation metadata
File Formats	- Inventory of file formats in use - When you can give input into the creation of digital files encourage use of a limited set of known open formats and codecs	- Inventory of file formats in use	- Monitor file format obsolescence issues	- Perform format migrations, emulations, and similar activities as needed

	Digital Curation	Digital Preservation
Goal	Ensure long-term data sustainability	Ensure long-term access information stored digitally
Approach	Involves the maintenance, preserving and adding value to digital research data throughout its lifecycle	Involves the retention of the informational object and its significance
Necessary activities	Selection, preservation, upkeep, collection, archiving and digital asset revaluation.	Selection, upkeep, collection, archiving and digital asset revaluation.
Techniques	Creating policies, activities at each stage of the life cycle of the objects; considers the nature of each object	Creating policies, emulation, data migration and encapsulation; considers the nature of each object
Longevity	Considered a continuous activity	Considered a continuous activity