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Preservation of Interoperability and Interoperability of Preservation DL.org Autumn School – Athens, 3-8 October 2010 Seamus Ross, University of Toronto.

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Presentation on theme: "Preservation of Interoperability and Interoperability of Preservation DL.org Autumn School – Athens, 3-8 October 2010 Seamus Ross, University of Toronto."— Presentation transcript:

1 Preservation of Interoperability and Interoperability of Preservation DL.org Autumn School – Athens, 3-8 October 2010 Seamus Ross, University of Toronto 4 October 2010

2 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 What is a digital library “A digital library is the infrastructure, policies and procedures, and organisational, political and economic mechanisms necessary to enable access to and preservation of digital content”. Source: Ross, S., Digital Library Development Review. Final report, National Library of New Zealand, July 2003, http://eprints.erpanet.org/50/01/ross_report.pdf http://eprints.erpanet.org/50/01/ross_report.pdf

3 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Trains, Cars and DLs Some folks teaching with Complexity, Ian Ayres, SuperCrunchers Processable articles

4 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Interoperability: Yet Another Definition “Interoperability is a property referring to the ability of diverse systems and organizations to work together (inter-operate). The term is often used in a technical systems engineering sense, or alternatively in a broad sense, taking into account social, political, and organizational factors that impact system to system performance.” 4 Source: http://en.wikipedia.org/wiki/Interoperability

5 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 But what is interoperability? Is it a representation problem? Is it a semantic problem? Is it a process problem? Is it possibility to define generic interoperability objectives? Can we create transformation services to enable interoperability across time?

6 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Seven Key Interoperability Issues Process – what is the boundary between static content, representations, linkages Authenticity – how do we (people and machines) know ‘it’ is authentic Quality – how do we measure quality and does it change overtime Change over time – how do we create ‘dynamic interoperability’ frameworks Policy – how do we reconcile policies in a contemporary context and how do we handle policy drift Legal – how can we address issues related to legal aspects Preservation – how do we preserve ‘interoperability potentiality’ what do we preserve.

7 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Interoperability Value and Benefits of addressing lack of interoperability Layered Approach across systems, space and time Levels of Abstraction – functionality, data Interoperability Parameters – Syntactical – Semantic – Content – Functionality – Context Object binding, boundaries and change

8 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Which priorities for interoperability? Understand the uses that those at the leading edge are making or want to make of DLs Use qualitative as well as quantitative approaches Partner with researchers in the social sciences Study users in various disciplines

9 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Who is creating digital libraries? Traditional libraries (universities, governments, etc.) Researchers Students General public

10 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Actual and potential interoperability Interoperate with: – People – metadata – simple and compound digital items (text, still and moving images, audiovisual files, 3D files) – data – services and environments – ……..

11 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Interoperate with biological journals, reference tools, species collections? iSpecies.org A researcher at University of Glasgow creates a species search engine yielding many types of data (text, GIS, pics..)

12 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Hub Zero and nanoHUB at Purdue Access to collaborative simulation tools Access to Grid environment Collaborative Web 2.0 environment Oriented to teaching and learning http://nanohub.org/

13 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Librarian-created video at iSchool, University of Washington http://www.youtube.com/watch?v=a_uzUh1VT98

14 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 European Interoperability Framework 2.0. EC, 2008

15 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Which workflow for interoperability? (1) Draft of possible interoperability workflow, Rome DL.ORG Mtg Dec 2009

16 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Which workflow for interoperability? (2)

17 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 DELOS Digital Library Reference Model DL Ref Model makes a nod to preservation (Section II.3.2) It makes a nod to interoperability in terms of for example Section II.3.1 and C156, Interoperability Support It does not make a nod to the importance of preservation in terms of interoperability We look at content preservation – wherecontent is data/docs 17

18 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Interoperability and preservation http://www.youtube.com/watch?v=3-kIXxER73E&feature=related

19 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Digital Libraries like all Objects Break Inaccessibility of digital object – Object becomes lost – Degradation of storage medium means content can not be read. – Technological obsolescence Syntactical interpretation or representation failures Semantic opaqueness – Lack of contextual information (e.g. suitable metadata) – Loss of Process & dynamic nature Legal impediments The organisation and its staff – Lack of organisational will – visible benefits – Decentralised and node-based organisation © HATII UofGlasgow, 2005 Historic Media on Display at the Launch of the UK Digital Curation Centre (DCC), November 04 http://www.dcc.ac.uk

20 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 High-level Preservation View bit stream (01100101101010010) information content (e.g. images, sounds, text) Context of Information (e.g. linkages, interrelatedness) Experience (e.g., speed, layout, quality of display device, input device characteristics)

21 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Objectives of digital longevity Digital preservation aims to ensure that future users will be able discover, retrieve, render, manipulate, interpret and use digital information in the face of constantly changing technology It involves conservation, renewal, restoration, selection, destruction, enhancing, updating, and annotating It is a risk management activity at all stages of the longevity pathway It is about translating uncertainties into manageable risks In the digital age we are all digital curators whether in our work, in our community or in our personal life Digital Preservation is an ongoing activity. Charles Dollar visits HATII, 2004 © HATII UofGlasgow, 2005

22 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Preservation Risk is Actual It is technological. It is social. It is organisational. And it is cultural. Actual risks can be assessed and measured— actual risks can be managed.

23 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 What needs to be considered Bit stream, information content, context, experience Syntactical Content Semantic Functionality Context

24 Seamus Ross, DL.org Autumn School Digital Libraries and Digital Repositories: Modelling, Best Practices & Interoperability Athens, 3-8 October 2010 Seven Key Interoperability Issues Process – what is the boundary between static content, representations, linkages Authenticity – how do we (people and machines) know ‘it’ is authentic Quality – how do we measure quality and does it change overtime Change over time – how do we create ‘dynamic interoperability’ frameworks Policy – how do we reconcile policies in a contemporary context and how do we handle policy drift Legal – how can we address issues related to legal aspects Preservation – how do we preserve ‘interoperability potentiality’ what do we preserve.

25 Thank you 25

26

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