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Portfolio SIG, Manchester, 21 June 2007
Portfolio Interoperability
Scott Wilson
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This work is licensed under a Attribution-NonCommercial-ShareAlike 2.0 licence
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The Scenarios
• Institutional system <-> institutional system (e.g FE -> HE)• Institutional system <-> employer system• Institutional system <-> personal system• Institutional system <-> govt. agency system• Personal system <-> personal system• Personal system <-> employer system• Interaction with admissions process, recruitment process,
assessment process, accreditation process• Etc.
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Many kinds of (data) interoperability
• identities• profiles & preferences• permissions• content• structures & relationships• official competencies, credits etc
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Identities
• Provisioning– SPML– IMS Enterprise– DirXML/DSML
• Distributed identity– OpenID– CardSpace– Shibboleth
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Permissions
• No easy way to do this today
• XACML?
• Proprietary permissions negotiation?
• Inference via FOAF groups?
• A new language?
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Content: The Big Five
• (X)HTML• Atom/RSS• UBL• ODF• DocBook
+ also things like AAC, MP3, MPEG, QT, WMV, SVG, PDF, LaTEX, MS Word, TEI (the list goes on…)
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Structure
• Atom/RSS/etc for simple structures• RDF+OWL for complex structuring
– isPartOf– isVersionOf– Inheritance– Specialised (e.g. Leap2.0 relations)
• XML Topic Maps• Regular links• IMS Content Packaging/RAMLET/MPEG-21
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Roll Your Own XML Spec
• “neither easy nor fun”
• “pass/fail ratio”
• “software pain”
• “restating Metcalfe”
• “opportunity cost”
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Public ‘middleware’ services as sharing intermediaries• Portfolio -> Slideshare/Flickr/Facebook/EduSpaces -> employer
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What’s supported today?
• Elgg: Atom, RSS, FOAF, various content formats
• Moodle: Atom, RSS, various content formats
• Employer HR systems: MS Word, HR-XML(?)
• PebblePad: IMS CP, HR-XML Europass, Shibboleth, RSS, UKLEAP, IMS EP
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