Aileen O'Carroll - DRI Training UCC: Introduction to Metadata
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Presentation given by Aileen O'Carroll, Policy Manager at the Digital Repository of Ireland, in the Digital Humanities Active Learning Space, University College Cork, as part of a day-long DRI Training session on 'Preparing Digital Collections'. This presentation introduces the concept of metadata, introduces standards, methods and controlled vocabularies. It follows earlier version of the presentation given by DRI staff at other events in 2015.
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Aileen O'Carroll - DRI Training UCC: Introduction to Metadata
- 1. DRI Presents: Introduction to Metadata DRI Presents Introduction to Metadata
- 2. DRI Presents: Introduction to Metadata Introduction to Metadata What is it? Why you should care about it Creating good metadata
- 3. DRI Presents: Introduction to Metadata What is Metadata? data about data
- 4. DRI Presents: Introduction to Metadata What is metadata? (You already know)
- 8. DRI Presents: Introduction to Metadata Why is metadata important? • Tells you what a digital object is, or what it contains. • Search and Discoverability • Sharing / Re-use
- 11. DRI Presents: Introduction to Metadata Types of Metadata Technical metadata Preservation metadata Structural metadata Descriptive metadata
- 12. DRI Presents: Introduction to Metadata Key purposes of Metadata Organisation Retrieval/Discovery Context/Enriched Meaning Sharing
- 13. DRI Presents: Introduction to Metadata What makes good Metadata? Accurate Precise Consistent Complete/Rich Widely Understandable
- 14. DRI Presents: Introduction to Metadata What makes good metadata?
- 15. DRI Presents: Introduction to Metadata What makes good metadata? October 9, 2013 Emily Grace Flanagan, 3 month birthday At 22 Ashfield Rd, Ranelagh (Technical metadata in camera EXIF data)
- 16. DRI Presents: Introduction to Metadata Metadata Quality Control – DRI guide www.dri.ie/publications
- 17. DRI Presents: Introduction to Metadata Metadata Standards
- 18. DRI Presents: Introduction to Metadata What is a Metadata Standard? • Set of fields for describing an object • Common: Dublin Core, EAD, MARC, MODS Archives Libraries
- 19. DRI Presents: Introduction to Metadata Seeing Standards: A Visualization of the Metadata Universe, Jenn Riley & Devin Becker, http://jennriley.com/metadatamap/
- 20. Digital Archiving in Ireland: National Survey of the Humanities and Social Sciences
- 21. DRI metadata guidelines •Dublin core and Qualified Dublin Core • MODS • EAD • MARC
- 22. DRI Presents: Introduction to Metadata Simple Dublin Core Metadata Element Set 1. Title 2. Creator 3. Subject 4. Description 5. Publisher 6. Contributor 7. Date 8. Type 9. Format 10. Identifier 11. Source 12. Language 13. Relation 14. Coverage 15. Rights
- 23. DRI Presents: Introduction to Metadata Simple Dublin Core Metadata Element Set 1. Title = Introduction to Metadata 2. Creator = Aileen O’Carroll 3. Subject 4. Description 5. Publisher 6. Contributor 7. Date = October 2016 8. Type 9. Format = powerpoint 10. Identifier 11. Source 12. Language= English 13. Relation 14. Coverage 15. Rights
- 25. DRI Presents: Introduction to Metadata 1. Title Ulysses 2. Creator James Joyce 3. Subject Stream of consciousness; Modern novel; Turn of century Dublin; Book covers 4. Description Traces the character Leopold Bloom as he walks around Dublin on 16 June, 1904 Or Scan of first edition, hard cover 5. Publisher Shakespeare and Company 6. Contributor 7. Date 1922
- 26. DRI Presents: Introduction to Metadata Controlled Vocabularies • A standardised set of terms that are accepted, defined, and managed (agreed on by a community) • A way to enable consistency in metadata, to facilitate accurate search and retrieval • Tend to be domain/discipline specific • Find the one that best fits your collection
- 27. DRI Presents: Introduction to Metadata Controlled Vocabularies
- 29. Library of Congress - Subject
- 30. DRI Presents: Introduction to Metadata 1. Title Ulysses 2. Creator James Joyce 3. Subject Stream of consciousness; Modern novel; Turn of century Dublin; Book covers 4. Description Traces the character Leopold Bloom as he walks around Dublin on 16 June, 1904 Or Scan of first edition, hard cover 5. Publisher Shakespeare and Company 6. Contributor 7. Date 1922
- 31. Library of Congress - Subject
- 32. DRI Presents: Introduction to Metadata 1. Title Ulysses 2. Creator James Joyce 3. Subject Turn of century Dublin; 4. Description Traces the character Leopold Bloom as he walks around Dublin on 16 June, 1904 Or Scan of first edition, hard cover 5. Publisher Shakespeare and Company 6. Contributor 7. Date 1922 Dublin—History—20th century Joyce, James, 1882-1941
- 33. DRI Presents: Introduction to Metadata Human readable metadata
- 34. DRI Presents: Introduction to Metadata Machine readable metadata
- 35. <tramTicket> <type>return</type> <from>Central 1</from> <to>Red 2</to> <validUntil>Last Tram</validUntil> <date>31 Jul 06</date> <for>Adult</for> <on>Luas only</on> <timeIssued>21:15</timeissue d> <price>2.90</price> <number>6004375019</numb er> </tramTicket> XML does not DO anything
- 36. DRI Presents: Introduction to Metadata In Sum • Metadata is data about data (description of a file) • Good metadata = rich & consistent metadata • Good metadata = discoverability • Metadata Standards improve consistency and interoperability (play well with others!) • Vocabularies aid in creating consistent and meaningful metadata
- 37. DRI Presents: Introduction to Metadata Thank you @aaocarroll
Editor's Notes
- Define Metadata Identify benefits of using standards-compliant metadata
- The Four Books of Sentences (Libri Quattuor Sententiarum) is a book of theology written by Peter Lombard in the 12th century. Peter Lombard, used extensive margin notes, for citations and this is considered by some to be the direct antecedent of modern scholarly footnotes.
- Proofreading shorthand
- Typesetting Markup
- DRI is a trusted digital repository for Humanities and Social Sciences Data in Ireland, launched June 2015 Provides preservation and access to digital collections Born digital and digitised collections including maps, photographs, letters, audio-visual, sound, books, oral histories, paintings.. Number of collections from different depositors Key challenge – how to describe those collections, how to describe those objects, how to ensure that that people will be able to search across collections and find objects relevant to their interests, from different depositors.
- Technical metadata – hardware, software, file formats, resolution, size Preservation metadata – provenance, authenticity, preservation actions, responsibility (eg. PREMIS) Structural metadata – physical/logical structure of digital resources (eg. METS) Descriptive metadata – describes the digital resource; catalogue records/finding aids
- Metadata: Data With a Purpose Metadata is... ...constructed... (Metadata is wholly artificial, created by human beings.) ... for a purpose ... (There is no universal metadata. For metadata to be useful it has to serve a purpose.) ... to facilitate an activity... (There's something that you do with metadata. Karen Coyle librarian http://www.kcoyle.net/meta_purpose.html
- Why use standard metadata? Using standardised descriptive metadata means adhering to the best practices in your domain. Standardised metadata allows you to control how records are described within your organisation too. Enforcing standards allows greater searchability of your records. Metadata sharing and interoperability is only possible when a standard is used. Quality metadata enables analysis, manipulation and “value-added services”
- Why use standard metadata?
- Dublin Core, EAD, MARC, MODS
- The first example of non-cataloging metadata is Dublin Core. Dublin Core grew out of a meeting in 1995 in Dublin, OHIO, home of OCLC, which has been the key sponsor of the DC initiative. Dublin Core's purpose is to provide a very simple set of metadata so that people can describe Web-based information resources quickly and easily, even people with no formal training in that activity. It has fifteen core elements (thus the name Dublin "Core"). These simple elements can be further defined to create more detailed metadata, but the core elements have found wide use on the Web and elsewhere, as we'll see further on.
- All of the fields in Dublin Core are optional, and all are repeatable. you can create a very minimal record just a date, a description, and a format ie fast, easty to do MODS: 20 top level elements EAD
- Producing metadata A handwritten or typewritten listing or finding aid Can be easily read and understood Can be accessible in physical or digital medium Can be free-text searched
- Machine readable metadata In a format that can be understood by computers Structured representation of information Described using particular standards (eg. XML, HTML, RDF) Allows processing, exchange and analysis “Extensible Markup Language (XML) is a markup language that defines a set of rules for encoding documents in a format that is both human-readable and machine-readable. It is defined by the W3C's XML 1.0 Specification and by several other related specifications, all of which are free open standards.”
- An XML document consists of a set of elements, which can be nested within eachother All elements must have an opening and closing tag of the form <tagname>… </tagname>