Repository models: from experimentation to services Stephen Grace Centre for e- Research
Dec 19, 2014
Repository models: from experimentation to services
Stephen GraceCentre for e-Research
2
What is a repository?Content is deposited in a repository, whether by the content creator, owner or third partyRepository architecture manages content as well as metadataRepository offers a minimum set of basic services (put, get, search, access control)Repository must be sustainable and trusted, well-supported and well-managed
Heery and Anderson, Digital repositories review 2005
3
Open Access repositoriesRepository must provide open access to its content (unless there are legal constraints)
Repository must provide open access to its metadata for harvesting
Not all repositories are OA repositories
4
Core requirements for digital archives -1Commitment to digital object
maintenance
Organisational fitness
Legal and contractual rights
Effective and efficient policies
Acquisition and ingest criteria
5
Core requirements for digital archives -2Integrity, authenticity and usability
Provenance
Dissemination
Preservation planning and action
Adequate technical infrastructure
CRL/DCC/DPE/nestor 2007
6
Motivations for establishing repositoriesEnhanced access to resourcesNew modes of publication and peer reviewCorporate information management Data sharingPreservation of digital resourcesExternal pressure
7
Context
Wider information environment
Corporate management systems
Content creation workflows
Personal information environment of users
Services built on repository content
8
Types of repositories
By content type
By coverage
By functionality
By target user group
9
Content types
Raw research data
Derived research data
Pre-prints
Post-prints
E-theses
Technical reports
Learning objects
Corporate records
10
Coverage
Personal (author’s personal archive)
Journal (single or group)
Departmental
Institutional [IR]
Inter-institutional (regional, collaborative, economies of scale)
National
international
11
Functionality
Enhanced access to resources (resource discovery)
Subject access to resources
New modes of dissemination
Institutional asset management
Sharing and re-use of resources
Digital preservation
12
Target user group
Learners
Teachers
Researchers
Administrators
Regulators
General public
Can you think of other user groups served by existing repositories?
13
OAIS
Does a repository have to conform to or otherwise follow OAIS (ISO 14721)?
14
OAIS Information Model
15
OAIS Functional Model
16
A national election is called!Web archiving project
Dark archive, dissemination issues later
Rights issues already fixed
Funding has already been found
Write a use case
17
Use case
Summary
Actors and goals – people and what they want to achieve
Stakeholders and interests
Main success scenario
18
Sustaining an Institutional RepositoryMedium-large university
Active research and teaching
Integrated library and IT function
Start up was externally funded
Deliver a business case to the Principal
19
Business case
Strategic objectives
Business need
Critical success factors
Stakeholders
Delivery mechanism
High-level cost estimate
Time and resources required
Risks
Preferred way forward
20
Thank you
Stephen Grace
Preservation Manager
Centre for e-Research
King’s College London
+44 207 848 1972