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CERN workshop on Innovations in Scholarly Communication (OAI5) 18-20 April 2007 Tutorial 4 - Object models and object representation   Julie Allinson and Mahendra Mahey Repositories Research Officers, UKOLN, University of Bath with Herbert van de Sompel  Los Alamos National Laboratory A centre of expertise in digital information management www.ukoln.ac.uk
Order of play ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Overview and introduction Julie Allinson
Unpacking the tutorial title ,[object Object],[object Object],[object Object]
Looking at …  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
What is a digital object? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Compound and complex digital objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Examples – digital objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Examples – compound objects ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Towards a repository ecology – compound objects complex-ified ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Scenario for the tutorial ,[object Object],[object Object],[object Object],[object Object],[object Object]
Some areas for consideration ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Exploring options for metadata modelling Julie Allinson
Overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metadata : what?  ,[object Object],[object Object],[object Object]
Why? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],metadata: Joan Miro ‘Chicago’, detail describes
When? Where? Who? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
How? metadata semantics … ,[object Object],[object Object],[object Object],[object Object],[object Object]
Metadata semantics diagram this is very basic! …  over-simplified from the Dublin Core Abstract Model http:// dublincore .org/documents/abstract-model/ value property resource description 1 0..n 1..n 1 describes statement statement statement statement
Example, based on our scenario ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Metadata example diagram ,[object Object],[object Object],value property 1 0..n 1..n a conference paper resource description 1 describes statement statement statement statement type or title ConferencePaper Text Signed metadata : method and  application
Hang on, there’s more …  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
A metadata framework? Abstract Model Metadata Vocabularies Application profiles Metadata formats properties values Application models XML, RDF/XML, XHTML UK LOM Core, CanCore, RSLP Schema, AGRIS, Scholarly Works AP, NDLTD (theses), DDF-MXD, DiVA DCMI Abstract Model Embedded data models conforms to DCMES, MODS,  LOM,  ISO 19115,  e-GMS, PREMIS, FOAF DCMI Type, DDC, LCSH,  TGN,  MARC Relator Codes
Taking the next metadata step – from ‘flat’ to ‘modelled’ ,[object Object],[object Object],[object Object],[object Object]
Some of the possible resources and relationships in our scenario publisher related  materials version 1.0 electronic book image version 2.0 published  proceedings pdf pdf 0..n is published by author author 0..n is created by 0..n see also 0..n has version 0..n is part of 0..n has part 0..n has format
Metadata is not flat! ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Dublin Core as a case study ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide courtesy of Andy Powell, Eduserv Foundation http://www.slideshare.net/eduservfoundation/the-dublin-core-abstract-model-a-packaging-standard
Dublin Core Abstract Model summary record (encoded as HTML, XML or RDF/XML) description set description (about a resource (URI)) statement property (URI) value (URI) vocabulary encoding scheme (URI) value string language (e.g. en-GB) Slide courtesy of Andy Powell, Eduserv Foundation http://www.slideshare.net/eduservfoundation/the-dublin-core-abstract-model-a-packaging-standard syntax encoding scheme (URI)
Dublin Core Abstract Model contd. ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide courtesy of Andy Powell, Eduserv Foundation http://www.slideshare.net/eduservfoundation/the-dublin-core-abstract-model-a-packaging-standard
Scholarly Works Application Profile ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
FRBR for eprints ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
the application model ScholarlyWork Expression 0..∞ isExpressedAs Manifestation isManifestedAs 0..∞ Copy isAvailableAs 0..∞ isPublishedBy 0..∞ 0..∞ isEditedBy 0..∞ isCreatedBy 0..∞ isFundedBy isSupervisedBy AffiliatedInstitution Agent
vertical vs. horizontal relationships ScholarlyWork Expression isExpressedAs Expression isExpressedAs Manifestation Manifestation isManifestedAs isManifestedAs hasFormat hasVersion hasTranslation hasAdaptation
Example properties ScholarlyWork: title subject abstract affiliated institution identifier Agent: name type of agent date of birth mailbox homepage identifier Expression: title date available status version number language genre / type copyright holder bibliographic citation identifier Manifestation: format date modified Copy: date available access rights licence identifier
Considering the scenario in DC
Multiple expressions, manifestations and copies scholarly work (work) version (expression) format (manifestation) copy (item) signed metadata doc institutional repository copy published proceedings no digital copy available (metadata only) e-book  copy institutional repository copy pdf conference repository  copy institutional repository copy pdf xml print copy pdf2 institutional repository copy Accepted MS Version 2.0 Author’s Submitted MS  Version 1.0 Translation (Spanish)
Boundaries of this profile ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
MODS overview ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Considering the scenario in MODS <mods> records for each version <relatedItem> sub-element used within a <mods> description for see also, has part, is part of  relationships published proceedings e-book  copy conference repository  copy Accepted MS Version 2.0 Author’s Submitted MS  Version 1.0 Translation (Spanish) <modsCollection>  can be used to wrap together several <mods> records
MODS observations ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Other approaches ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Entities described by DDF-MXD ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Slide courtesy of Mogens Sandfaer,  Tech nical Knowledge Center of Denmark
Data model Slide courtesy of Mogens Sandfaer,  Tech nical Knowledge Center of Denmark An article in the journal by the author presented at the conference published by from the project
Thoughts about metadata ,[object Object],[object Object],[object Object],[object Object],[object Object]
Towards content packaging ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Content packaging standards Mahendra Mahey and  Herbert van de Sompel
Final thoughts …  ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]
Final, final thoughts ,[object Object],[object Object],[object Object],[object Object],[object Object]

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Object models and object representation

  • 1. CERN workshop on Innovations in Scholarly Communication (OAI5) 18-20 April 2007 Tutorial 4 - Object models and object representation Julie Allinson and Mahendra Mahey Repositories Research Officers, UKOLN, University of Bath with Herbert van de Sompel Los Alamos National Laboratory A centre of expertise in digital information management www.ukoln.ac.uk
  • 2.
  • 3. Overview and introduction Julie Allinson
  • 4.
  • 5.
  • 6.
  • 7.
  • 8.
  • 9.
  • 10.
  • 11.
  • 12.
  • 13. Exploring options for metadata modelling Julie Allinson
  • 14.
  • 15.
  • 16.
  • 17.
  • 18.
  • 19. Metadata semantics diagram this is very basic! … over-simplified from the Dublin Core Abstract Model http:// dublincore .org/documents/abstract-model/ value property resource description 1 0..n 1..n 1 describes statement statement statement statement
  • 20.
  • 21.
  • 22.
  • 23. A metadata framework? Abstract Model Metadata Vocabularies Application profiles Metadata formats properties values Application models XML, RDF/XML, XHTML UK LOM Core, CanCore, RSLP Schema, AGRIS, Scholarly Works AP, NDLTD (theses), DDF-MXD, DiVA DCMI Abstract Model Embedded data models conforms to DCMES, MODS, LOM, ISO 19115, e-GMS, PREMIS, FOAF DCMI Type, DDC, LCSH, TGN, MARC Relator Codes
  • 24.
  • 25. Some of the possible resources and relationships in our scenario publisher related materials version 1.0 electronic book image version 2.0 published proceedings pdf pdf 0..n is published by author author 0..n is created by 0..n see also 0..n has version 0..n is part of 0..n has part 0..n has format
  • 26.
  • 27.
  • 28. Dublin Core Abstract Model summary record (encoded as HTML, XML or RDF/XML) description set description (about a resource (URI)) statement property (URI) value (URI) vocabulary encoding scheme (URI) value string language (e.g. en-GB) Slide courtesy of Andy Powell, Eduserv Foundation http://www.slideshare.net/eduservfoundation/the-dublin-core-abstract-model-a-packaging-standard syntax encoding scheme (URI)
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  • 30.
  • 31.
  • 32. the application model ScholarlyWork Expression 0..∞ isExpressedAs Manifestation isManifestedAs 0..∞ Copy isAvailableAs 0..∞ isPublishedBy 0..∞ 0..∞ isEditedBy 0..∞ isCreatedBy 0..∞ isFundedBy isSupervisedBy AffiliatedInstitution Agent
  • 33. vertical vs. horizontal relationships ScholarlyWork Expression isExpressedAs Expression isExpressedAs Manifestation Manifestation isManifestedAs isManifestedAs hasFormat hasVersion hasTranslation hasAdaptation
  • 34. Example properties ScholarlyWork: title subject abstract affiliated institution identifier Agent: name type of agent date of birth mailbox homepage identifier Expression: title date available status version number language genre / type copyright holder bibliographic citation identifier Manifestation: format date modified Copy: date available access rights licence identifier
  • 36. Multiple expressions, manifestations and copies scholarly work (work) version (expression) format (manifestation) copy (item) signed metadata doc institutional repository copy published proceedings no digital copy available (metadata only) e-book copy institutional repository copy pdf conference repository copy institutional repository copy pdf xml print copy pdf2 institutional repository copy Accepted MS Version 2.0 Author’s Submitted MS Version 1.0 Translation (Spanish)
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  • 38.
  • 39. Considering the scenario in MODS <mods> records for each version <relatedItem> sub-element used within a <mods> description for see also, has part, is part of relationships published proceedings e-book copy conference repository copy Accepted MS Version 2.0 Author’s Submitted MS Version 1.0 Translation (Spanish) <modsCollection> can be used to wrap together several <mods> records
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  • 43. Data model Slide courtesy of Mogens Sandfaer, Tech nical Knowledge Center of Denmark An article in the journal by the author presented at the conference published by from the project
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  • 46. Content packaging standards Mahendra Mahey and Herbert van de Sompel
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  • 48.