Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library

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Paper outlining research regarding date formatting in the UNT digital collections.

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11 p. : ill. ; 28 cm.

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Tarver, Hannah & Phillips, Mark Edward July 2013.

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This paper is part of the collection entitled: UNT Scholarly Works and was provided by the UNT Libraries to the UNT Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 3409 times, with 12 in the last month. More information about this paper can be viewed below.

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Paper outlining research regarding date formatting in the UNT digital collections.

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11 p. : ill. ; 28 cm.

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Abstract: In 2012, the University of North Texas (UNT) Libraries implemented the Library of Congress Extended Date/Time Format (EDTF) into the metadata guidelines for their digital holdings which now contain more than 460,000 records. This paper discusses the evaluation process to identify the number of previously-existing dates that meet EDTF standards and those that need to be edited for conformance. It also outlines practical steps used for implementing the standard, such as date validation for metadata creators and changes to date displays for public users. Finally, it presents some of the challenges encountered during the implementation process and considerations for other institutions that may want to use the EDTF.

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  • Proceedings of the International Conference on Dublin Core and Metadata Applications, 2013, Dublin Core Metadata, pp. 60-70

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  • Peer Reviewed: Yes
  • Publication Title: Proceedings of the International Conference on Dublin Core and Metadata Applications
  • Pages: 11
  • Page Start: 60
  • Page End: 70

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UNT Scholarly Works

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Extended Date/Time Format (EDTF) Dates Research Datasets (Dataset)

Extended Date/Time Format (EDTF) Dates Research Datasets

Two datasets, each with 390,751 date samples from the UNT Libraries' digital collections. These samples were compiled for research regarding the Extended Date/Time Format (EDTF) standard. The first dataset contains a concatenated list of date values from the metadata records in The Portal to Texas History, the UNT Digital Library, and The Gateway to Oklahoma History. The "classified" dataset includes labels expressing whether each date is EDTF-valid and the level of conformance.

Relationship to this item: (References)

Extended Date/Time Format (EDTF) Dates Research Datasets, ark:/67531/metadc172363

[Handout to Accompany Poster on Implementation of a New Date/Time Standard] (Pamphlet)

[Handout to Accompany Poster on Implementation of a New Date/Time Standard]

Handout with supplementary information to accompany the poster "Implementation of a New Date/Time Standard in Digital Library Metadata." In includes examples of dates that meet Extended Date/Time Format (EDTF) standards, examples of problems encountered when normalizing date displays for users, additional statistics related to already-valid dates in the digital collections at the time that the standards were formally adopted, and links to online materials.

Relationship to this item: (References)

[Handout to Accompany Poster on Implementation of a New Date/Time Standard], ark:/67531/metadc159536

Metadata Analysis at the Command-Line (Article)

Metadata Analysis at the Command-Line

This article discusses metadata analysis tools, processes, and methodologies aimed at helping to focus limited quality control resources on the areas of the collection where they might have the most benefit.

Relationship to this item: (References)

Metadata Analysis at the Command-Line, ark:/67531/metadc157309

Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library (Presentation)

Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library

Presentation on the implementation of the Extended Date/Time Format (EDTF) within the University of North Texas (UNT) digital collections, including the results of an analysis performed in February 2013. It provides a summary of the kinds of date formats in the EDTF with examples from the digital collections, a description of methods used to implement and utilize the machine-readability of the format, and an overview of reasons that other institutions may want to consider switching to the EDTF.

Relationship to this item: (Has Version)

Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library [presentation], ark:/67531/metadc180968

Implementing the Extended Date/Time Format in Digital Collections (Presentation)

Implementing the Extended Date/Time Format in Digital Collections

Presentation for the 2013 Cross Timbers Library Collaborative (CTLC) Conference. This presentation discusses the implementation of the Extended Date/Time Format (EDTF) within the University of North Texas (UNT) digital collections. It includes a summary of the kinds of date formats in the EDTF with examples from the digital collections, a description of methods used to implement and utilize the machine-readability of the format, and an overview of reasons that other institutions may want to consider switching to the EDTF.

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Implementing the Extended Date/Time Format in Digital Collections, ark:/67531/metadc177428

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  • July 2013

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  • July 24, 2013, 1:20 p.m.

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  • Sept. 11, 2019, 12:46 p.m.

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Thumbnail image of item number 1 in: 'Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library'.
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Tarver, Hannah & Phillips, Mark Edward. Lessons Learned in Implementing the Extended Date/Time Format in a Large Digital Library, paper, July 2013; (https://digital.library.unt.edu/ark:/67531/metadc174739/: accessed May 27, 2023), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; .

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