Open Knowledge Initiative
description
Transcript of Open Knowledge Initiative
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Open Knowledge Initiative
CSG - Princeton, 05/07/03
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Elements of an enabling architecture/framework for learning systems
What are strategies for interoperability, scalability, and maintainability?
How might we migrate from an environment based on proprietary legacy tools to a standards-based environment that promotes interoperable systems?
What are the requirements for development/authoring tools that enable rapid prototyping, ease of maintenance, content adaptation, and collaborative development?
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Elements of an enabling architecture/framework for learning systems
What is the impact of emerging specifications and standards (e.g., XML, SCORM, IMS, OKI SPECS, the semantic Web.....) on IT-enabled learning, and on managing rapid changes in the technology/tools environment
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Data Specifications – IMS/SCORM
EnterpriseApplication A
EnterpriseApplication B
Data
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An ApplicationBefore O.K.I.
An ApplicationBefore O.K.I.
OKI in a Nutshell
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An ApplicationBefore O.K.I.
OKI in a Nutshell
An ApplicationAfter O.K.I.
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Web Application on O.K.I. Services
HTML HTML
Web ServerStellar
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Web and Client App Interoperability
HTML
Stellar
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O.K.I. is:
Learning Technology Services Architecture
Open Service Interface Definitions (OSIDs)
Open source implementations
Open source educational applications
Community
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O.K.I. Service Interface Definitions (OSIDs)
OSID's define how components of a learning technology environment communicate with: Other learning technology components Other campus systems Common infrastructure services
OSID’s are: Described abstractly and cast as Java APIs Royalty free Stable – license/branding prohibits modification
Supported by reference implementations and documentation
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The OSIDs“Common Services”
Authentication Authorization DBC Logging Shared Filing Dictionary Hierarchy
“Extended Services”
User Messaging Scheduling Workflow
“Educational Services”
Class Admin Digital Repository Assessment Grading
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OSID Abstraction and Bindings
Abstract Service Definition
Generators
Java InterfacesDocumentation
Other…
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OSID Based Projects
University of Michigan
Stanford University
VUE -- Tufts University
Scorm Player --University of Cambridge
Digital Library Systems -- Dspace, Fedora
MIT
Indiana University
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Current O.K.I. SID Community Institutional Partners
MIT, Stanford University, Dartmouth College, North Carolina State University, University of Michigan, Indiana University, University of Pennsylvania, University of Wisconsin-Madison, University of Cambridge
IMS Global Learning Consortium Members Assorted Institutional Projects
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O.K.I. Status
Common Service OSIDs 1.0rc in community review SourceForge Publication SOON!
Educational Service OSID's in beta release Reference implementations and reference code available for
some OSIDs “LMS” systems expected Summer 2003 OKI “Starter Kit” release in Summer 2003 Vendor Engagement
Sun Microsystems Apple WebCT Blackboard
OKI/IMS Interoperabilty Lab 2003 -- July 8,9,10
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Example: Digital Repository OSID
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OKI Digital Repository OSID What functions do Educational Applications
need from Digital Repositories? How can we complement existing and future
data Specifications? How do we allow for systems of record for
learning assets? How do we support multiple Repositories with
multiple protocols
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Many Repositories
IDC
iMac
I
BM
Remote
Local
IDC
Institutional
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Many Protocols
IDC
iMac
I
BM
IDC
SOAPSRW
HTML
Z39.50
File System
METS
Remote
Local
Institutional
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Many Data Specs/Standards
IDC
iMac
I
BM
IDC
SOAPSRW
HTML
Z39.50
File System
OAI
Remote
Local
Institutional
MarkDC
LOM
SCORM
METS
IMS CP
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DR Demo…
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Application Profile
Technology Profile
Technology Profile
Technology Profile
Technology Profile
Service Definitions
DataDefinitions
Domain Profile
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Application Profile
Technology Profile
Technology Profile
Technology Profile
Technology Profile
Service Definitions
DataDefinitions
Domain Profile
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Dimensions of Interoperability
Data Definitions
Technology Choices
UI/Application Frameworks
Service Definitions
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Dimensions of InteroperabilitySe
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Open Knowledge InitiativeSe
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