SWITCH - LOR Digital Asset Management an Hochschulen, Wien Rolf Brugger Christian Rohrer
Dec 19, 2015
SWITCH - LOR Digital Asset Management an Hochschulen, Wien
Rolf BruggerChristian Rohrer
© 2007 SWITCH
Current Situation
• Digital learning content production is increasing• Distribution of content
– LMS: institutional - local - private
– CMS, website: institutional - local - private generally not public, not retrievable, not persistent digital heritage of universities not preserved
• Content sharing and transfer:– Classical way: “Google”
– Web 2.0 approaches: (technology, tools, services, way-of-thinking) Social - networking Wikipedia, YouTube, Digg, delicious, ... potential copyright issues
– Repositories: Merlot, Ariadne, CAREO, LORnet, EdNA, ...
• Web2.0: easy, attractive, flexible, social
© 2007 SWITCH
Goals and Motivation
• Re-use e-learning content• Enhance collaboration (intra- and inter-institutional)• Make teaching activities visible to peers and to the public• Attract students• Long-term archiving and distribution of content with stable
URL (content lifecyle)• Make teaching activities citable and referenceable• Single point of entry for all kinds of e-learning contents -
independently from distribution platform
© 2007 SWITCH
Scenarios and Benefits of a LOR
• Personal content management: Lecturers can use their content in different LMS (i.e. as visiting lecturer) and lower migration cost in case of changes
Corporate content management: Projects or working groups can share common resources and deploy them in different LMS
• Distributed working groups can collaborate and build contents for common courses
• Institutions with one ore more LMS can manage their content independently from the LMS which is currently used
• Inter-institutional degrees (e.g. Master degrees at UAS, small institutes at universities) can use a common content platform with the LMS provided by the institutions
• I have a concept that my students frequently struggle with and need to find better ways to demonstrate it.
• I need an assignment for a new topic area I want to include in my course.
Establish a media library on faculty level of an institution
© 2007 SWITCH
LOR Criteria as defined by working groups
• Ease of use– Publish: one-click export from LMS to repository– Retrieve: full-text search, metadata search, Google search, browse– Re-use: try it online, download standardized package
• Metadata– Simple metadata model (low number of mandatory tags)– Adaptable model (extensible with optional tags)– Re-use existing metadata
• Quality assurance– Quality of metadata (editorial department)– Quality of content (peer reviews)
• Access rights– Authors control access to their contents– Control levels: individual (private), group, institution, world (public)– Authentication by AAI
© 2007 SWITCH
LOR Criteria (cont.)
• Federated architecture:– Possibility to run institutional repository that is part of a federation
• User interface– Adaptable:
simple interface with few functions or advanced, special purpose interfaces
– Support for multiple languages: en, fr, de, it
• Federation– International federation: possibility to cooperate with foreign
repositories– LOR complies with OAI-PMH standard
• Extensible architecture– Flexibility to integrate special applications, e.g. manage e-tests,
manage x-ray images, implement workflows
© 2007 SWITCH
Proposed Architecture
• Federation• Institutional integration• The user's perspective• Metadata• Technical integration• Access and usage control
© 2007 SWITCH
General decisions
• restrictions, requirements– currently, only learning objects– national level– higher education
• no restrictions or constraints– granularity: course, module, lesson, image, video clip, pdf-doc, ...– license: creative commons, commercial, ...– access rights: public, group, private– no formal quality criteria or reviewing
• national system based on open source software– Fedora– Meresco, PKP Harvester, Fez(?)
© 2007 SWITCH
Architecture: Federation
• hierachical organization• autonomous decision
about structure and organization
UniZH
Math-Nat Philosoph. Vet'medizin Medizin Wirtschaftsw. Rechtswiss. Theologie
FHO
Tech / IT / BauGesundheitsw.Planung / Wirtsch.Soziale Arbeit
St. GallenRappersw.BuchsChur
EPFL
Arch / Civil Eng. Chem / Math / Phys Engineering Inform. / Communic. Life Science Humanities Tech. Management
© 2007 SWITCH
Integration
• LMS-Integration– publish course to LOR demo
– view course in LOR demo
• Integration with existing portals
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
QuickTime™ and aTIFF (Uncompressed) decompressor
are needed to see this picture.
© 2007 SWITCH
Customizable Interface
• Simple / advanced• Adapted to content type• Adapted to corporate identity• To enforce workflows
• Web-Services interface for custom front ends
Repository Engine
Uni A
Uni B: CMS
Videoportal
Web Services
API
LMSadapter
Image Library
adapter
© 2007 SWITCH
Fedora
• Open source repository system• Evaluation at http://www.switch.ch/els/LOR/evaluation.html
• Supports federation• Flexible• Modular
© 2007 SWITCH
Metadata Model
• Simple Common Schema– Common schema within
federation
– Simple basic schema with possibility for extensions
• Extensible Model
Mandatory
• ID
• Title*
• Contributor
• Copyright*
• Cr/Mod Date
• Format
• Institution
• Location
OptionalTags
• Description
• Keywords
• Language
• Domain
• Issue Date
• Instructional Method
• Learning Resource Type
• Context
• Access Rights
► Uni Basel► Economy
► Introduction I► Introduction II
► Psychology► Life Science
► Uni Bern ► Uni Geneva
► Video► Economy► Psychology► Life Science
► PDF ► JPEG
+ ECTS
+ MPEG7
+ Dublin Core
only possible to extend schema fnm-austria
© 2007 SWITCH
Metadata Model MappingMandatory Basic Extended Dublin Core IMS Metadata self-
defined
ID ID ID ID ...
Title Title title title
Language Language language language
Contributor Contributor creator creator
Location Location (~ID) Location
Copyright Copyright rights rights
format type format
keywords subject/keywds
keywords
description description description
instructional method
coverage coverage
creation date date role
learning res type audience interactivity type
context publisher semantic density
access rights signature context
... ...
common pool of metadata schemas!
© 2007 SWITCH
Metadata: Dictionaries
• Domain / Areas / categoriesExample: SNF CategoriesHuman and Social Sciences Philosophy, Psychology, Educational science and
Religious sciences Legal and Social sciences, Economics History Archaeology, Ethnology and Visual arts Linguistics and Literature Fields for UASMathematics, Natural- and Engineering Sciences Mathematics Astronomy, Astrophysics and Spatial Sciences Chemistry Physics Engineering Sciences Environmental Sciences Earth SciencesBiology and Medicine Basic Biological Research General Biology Basic Medical Sciences Experimental Medicine Clinical Medicine Preventive Medicine (Epidemiology/Early
Diagnosis/Prevention) Social Medicine
• Categories:– not too fine: 1 or 2 categories
should describe domain of a teacher
– not too coarse: to be specific enough
• Institutions• Languages• Data formats• Access rights
• Translate dictionaries to en, fr, de, it
common pool of dictionaries!
© 2007 SWITCH
Content Model
Typical Object:• Obj ID (FOXML)• Metadata (according one schema of metadata pool)• License (FOXML) <rights><license>• Visibility, read permissions (FOXML) <rights><accessrights>• Collection (RELS-EXT)• binary datastream (optional)
© 2007 SWITCH
Access and Usage Control
• Authors control read access rights and usage policies– Creative commons: commercial use? modifications? citations?
• Control levels: private, group, institution, world• Authentication: AAI
© 2007 SWITCH
Persistent Identifiers
Uniform Resource Name (URN)• Syntax: Namespace Identifier:Namespace specific string• NSS: "ISBN", "MPEG", "SWIFT", "ISO",...• Examples:
– urn:isbn:0451450523– urn:ietf:rfc:2648
URN
Handle
DOI
URI
© 2007 SWITCH
Institutional Integration
• Support social tagging• Support peer reviews• Honor teaching• Generate reports• Teacher/teaching rewarding system
– for those who share– for those who re-use
• eLearning award or quality label
• Political support and cultural change!
© 2007 SWITCH
Pilot Project
• started in summer '07• 4 partners: UniGE, FHZ, ZHAW, USI/SUPSI• basic agreements on architecture and interfaces• test & development installations• specifications
– access & authorization – metadata management– ingest API for LMS
• set up federation• implement LMS integration• implement browse&search UI
© 2007 SWITCH
Thanks
• e-Learning Services– Vista
– LOR
– more activitieshttp://www.switch.ch/els
• eConferencing– Collaboration: Adobe Connect
– Streaming: Play
– Video Conferencinghttp://www.switch.ch/econf/