eduSourceeduSourceand LORNETand LORNET

Gilbert Paquette, CIRTA, TELUQ and

Griff Richards, SFU

AltiLab 2004 Infrastructure Session

San Francisco, July 20-22 2004

www.edusource.cawww.lornet.org

What is EduSource?

A test bed for a network of Learning Objects A test bed for a network of Learning Objects Repositories Repositories

Suite of Tools, Community of Practice, CANCORE Suite of Tools, Community of Practice, CANCORE profile profile

Founded on international standards (W3C and IMS) Founded on international standards (W3C and IMS) and an open source approach and an open source approach

An 18 months, CANARIE founded project (4,25 M$) An 18 months, CANARIE founded project (4,25 M$)

Terminated since March 2004; a community of Terminated since March 2004; a community of developpers/users to be maintained through developpers/users to be maintained through LORNET and other initiativesLORNET and other initiatives

eduSource Main Partners

SFU

Netera(L.Commons)

AthabascaUniv.

Univ. ofWaterloo

Télé-Université

(Cogigraph) TEL-EDU-NB

POOL

POOL BELLE

CAREO

CLOE

SAVOIRNET

EXPLORA-II

Specs/Standards/ProfilesMetadata FormatsMetadata Formats

IEEE LOM IEEE LOM

Dublin Core (DC)Dublin Core (DC)

CANCORE CANCORE

Communication ProtocolsCommunication ProtocolsOAI, Z39.50OAI, Z39.50

Web ServicesWeb ServicesSOAP, WSDL, UDDISOAP, WSDL, UDDI

Implementation SpecificationsImplementation SpecificationsIMS DRI (Interoperability)IMS DRI (Interoperability)

IMS CP (Content Packaging)IMS CP (Content Packaging)

IMS LD (Learning Design)IMS LD (Learning Design)

ODRL (Digital Rights)ODRL (Digital Rights)

eduSource Results

Cancore 2.0Cancore 2.0

DRM ModelDRM Model

LOR Communities of PracticesLOR Communities of Practices

eduSource suite of toolseduSource suite of toolsArchitecture DocumentsArchitecture Documents

Three Ways to Access Resources: Three Ways to Access Resources: Network search, Network search, eRIB, Repository and Platform connectioneRIB, Repository and Platform connection

ECL connector and gateway, Common Search ECL connector and gateway, Common Search Component, eduSource Registry Services, eRIB toolsComponent, eduSource Registry Services, eRIB tools

Software Specifications for Learning Design, LD Software Specifications for Learning Design, LD content packaging and DRMcontent packaging and DRM

To be developed in LORNETTo be developed in LORNET

LegacyTools

Agents

Comp..

OTHERLCMS

/Agents

Portals

Conceptual framework

DigitizedResourceRepository

MetadataRepository Metadata

RepositoryServices

eLearningMiddlewareServices

ResourceManage.Services

Communication Kernel

DRMservices

eduSource Services

Three ways to use eduSource1 - Infoseeking through Federated Search and Harvesting

2 - Repository-in-the-box (eRIB)

3 - Registering a repository in eduSource (ECL)

1 – Search in the network through the eduSource Portal

General public access General public access to the eduSource to the eduSource network of repositories network of repositories

Limited to infoseeking Limited to infoseeking without data storagewithout data storage

Federated SearchFederated Search

Harvesting possibleHarvesting possible

edusource.licef.teluq.uquebec.ca/ese/en/index.jsp

2- Install and use an edusource eRIB

Create a new eduSource Create a new eduSource Node Node Install an XML DB and a Install an XML DB and a Web interfaceWeb interfaceUse Edusource Tools: Use Edusource Tools: Metatagger, Common Metatagger, Common Search PackageSearch PackageTurnkey, Free, AdaptableTurnkey, Free, AdaptableOpen sourceOpen sourceComplete Access to the Complete Access to the Edusource Network Edusource Network Community of Practice or Community of Practice or Create your ownCreate your own

3 – Connect an existing repository

Translate Translate communication communication protocols protocols Translate Metadata Translate Metadata FORMATSFORMATSHalf a day to Half a day to develop a connectordevelop a connectorGateways for other Gateways for other repositoriesrepositories

The ECL GatewayEnables eduSource to connect to other protocols and Enables eduSource to connect to other protocols and international projectsinternational projects

A special eduSource MDR with an ECL connector to A special eduSource MDR with an ECL connector to pass requests from ECL clients to non eduSource pass requests from ECL clients to non eduSource repositories (Smete, EdNa)repositories (Smete, EdNa)

Provides 2-way translation between IEEE-LOM and Provides 2-way translation between IEEE-LOM and DC for OAI MDRs (eventually for Z39.50)DC for OAI MDRs (eventually for Z39.50)

Enables OAI servers to search the eduSource Enables OAI servers to search the eduSource Newwork for LOMsNewwork for LOMs

The Gateway can be easily updated to other external The Gateway can be easily updated to other external MDRs and standardsMDRs and standards

External communication for eduSource can be External communication for eduSource can be handled by more than one Gateway handled by more than one Gateway

eduSource Gateways and Clients

The ECL Connector1) SOAP-ECL request from ECL client extracted1) SOAP-ECL request from ECL client extracted

2) Connector creates a Java request2) Connector creates a Java request

3) Sends requests to Repositories3) Sends requests to Repositories

4) Java search object created and launched within 4) Java search object created and launched within

metadata repositoriesmetadata repositories

5) For eduSource repositories: 6 OAI-Gather methods5) For eduSource repositories: 6 OAI-Gather methods

6) Results (LOM records) serialized back in a SOAP 6) Results (LOM records) serialized back in a SOAP

messagemessage

7) SOAP engine sends the list of LOMs to the ECL client7) SOAP engine sends the list of LOMs to the ECL client

The Common Search Component (CSC)

FederatorClient

HarvestorClient

PtoPClient

CSC

SearchResultDisplay

The eduSource Registry of Services (ERS)

A UDDI registry grouping A UDDI registry grouping information provided by each information provided by each metadata repository (MDR) metadata repository (MDR) managers when they first managers when they first register to eduSource or when register to eduSource or when they update or add servicesthey update or add services

Makes each MDR known to the Makes each MDR known to the eduSource networkeduSource network

Enables ECL clients to find end Enables ECL clients to find end points and create their own points and create their own community of repositoriescommunity of repositories

Enables publication of new Enables publication of new Web services provided by Web services provided by different stakeholdersdifferent stakeholders

Connection of a platform to eduSource

(The EXPLOR@-II case)

Explor@ - II, a eLearning system that:Explor@ - II, a eLearning system that:Aggregates resources, activities and actors for Aggregates resources, activities and actors for learning or knowledge workinglearning or knowledge working

Builds and manages research repositories Builds and manages research repositories (SavoirNet)(SavoirNet)

Offers open integration of resources found using a Offers open integration of resources found using a search enginesearch engine

Manages all kinds of ressources, including its own Manages all kinds of ressources, including its own tools for search, access protection and aggregationtools for search, access protection and aggregation

eduSource adds search in multiple repositories eduSource adds search in multiple repositories (adding an ECL connector)(adding an ECL connector)

eduSource Search within Explor@

Explor@-II Extended Search

Integration and Delivery

LORNET:A major Canadian Initiative in Learning

and Semantic Web technologies

Over 8 M $ in 5 years on learning and knowledge-based technologies

Joint research with 27 industrial partners and organizations

A team of 129 researchers, students and professionals.

Consolidation of 7 research labs and centers and 4 Research Chairs

Convergence of complementary research areas

Interaction with leading international projects: OKI, IMS, CETIS, COLIS, Kaleidoscope

LORNET Industrial Partners

Bell Canada

BCcampus

BMO, Institute for learning

CAE

Credo Interactive Inc.

CRIM

ETraffic Solutions

FDO-Axion

Hydro-Québec

Immersion Canada

Infotel Group

Knexa

Mentor-AGTI 

Neptec

PDS

Recombo

SGI Canada

Technologies Cogigraph Inc.

TR Labs-Saskatchewan

Vestec

1.Interoperabilityand Metadata Tom Calvert

Simon Fraser, U.

2. Aggregation and

Multi- actorDesigns

Gilbert Paquette TELUQ

5.Advanced

MultimediaObjects

Nicolas D. Georganas U. Ottawa

4. Object Mining

and KnowledgeExtraction Mohammed Kamel

U.Waterloo

3. Active and Adaptive

Learning Objects

G.McCalla/J.GreerU.Sask.

6. TelelearningOperations

System (TELOSS. Pierre/G.Paquette

POLY/TELUQ

LORNET Theme Structure

Theme 1 - Interoperability of Learning Objects Repositories

2

53

4

6

The key to interoperability is linking and communicating in a meaningful way. Learning Objects Repositories provide a practical research arena for the semantic Web.

Vision

Research AreasLightweight ontology mapping

Semantic cobblestones

Ontological educational markup languages

Ontology-based communication tools

Sustainable learning objects ecosystems

Mobile learning environments

TeamSemantic Tech Lab, Simon Fraser University

Thomas Calvert, Marek Hatala, Vive Kumar, Rob Woodbury, Griff Richards, Samuel Pierre

Theme 2 - Learning Object Design and Aggregation

1

53

4

6

Learning objects become significant through the activities they support.

Dynamic aggregation models provide multi-actor adaptive interfaces and

assistance.

Vision

LICEF-CIRTA Research Center and CRC, TELUQGilbert PaquetteJacqueline Bourdeau, Aude Dufresne, Olga Marino, Hamadou Saliah, Ioan Rosca

TeamResearch Areas

Educational modeling languages

Multi-actor workflow models

Knowledge representation of actors, activities and resources

Adaptive assistance to actors

Theme 3 - Active and Adaptive Learning Objects2

1

5

4

6Learning objects must be active.

Learning objects must adapt to learners and other learning objects.

Vision

ARIES Lab. U. of SaskatchewanGordon McCalla, Jim Greer, John Cooke, Julita Vassileva, Ralph Deters

Team Research AreasAgent-based learning objects

Active learner modeling

Context integration in learner modeling

Learning object re-purposing

Instructional planning with learning objects

Negotiated coalition formation

Theme 4 - Object Mining and Knowledge Extraction

21

53

6

Data mining and knowledge extraction techniques can provide context and facilitate interactions, efficient organization, efficient delivery, navigation and retrieval of LOs

Vision

TeamPAMI Lab and CRC, U. Waterloo Mohamed KamelOtman Basir, Fakhri Karray, Hamid Tizhoosh, Andrew Wong, Yang Wang

Knowledge from text: classification, clustering, discovering topics, learning associationKnowledge from images

Knowledge from interactions

Building knowledge structures

Knowledge sharing ontologies and mechanisms

Research Areas

Theme 5 - Advanced Multimedia Objects

21

3

4

6

Advanced multimedia “objects” can create a very rich learning environment.

The objects must adapt to user preferences, contexts and network QoS conditions.

Use the new capacities of broadband networks.

Vision

MCR Lab and CRC, U. of OttawaNicolas D. GeorganasÉric Dubois, Abed El Saddik, Sherwin Shirmohammadi Jiying Zhao

Team Research AreasVirtual reality user interface for LOR navigation

Objects and GUI for augmented and virtual reality

Multilayer digital watermarking for multimedia learning object protection

Dynamic adaptation of advanced multimedia learning objects

Theme 6 - TeleLearning Operating system (TELOS)

21

53

4

66A multi-actor environmentInteroperable with other tools or platformsBased on a model of the actors, activities and resources Integrating tools and methods developed by themes 1 to 5Promoting a diversity of pedagogical and delivery models.

Vision

TeamGilbert Paquette, Samuel Pierre, Jacqueline Bourdeau, Marc Couture, Marek Hatala, France Henri, Ioan Rosca, Chris Brooks, Otman Basir

Research AreasTELOS System Architecture and technological infrastructure

Software engineering and system development applied methods

TELOS application designs

Test and validation methods of the TELOS system and applications

TELOSVision and System’s Levels

TELOSSYSTEM

SystemEngineers TELOS

LKMS 1

TELOSLKMS 2

TELOSLKMS 3

Environment Builders

TELOSLKMA 2.1

TELOSLKMA 2.2

TELOSLKMA 2.3

Designers

Environment 2.2 A

Environment

2.2 B

Environment 2.2 C

Environment

2.2 D

Learners & Facilitators

Expected ResultsNew knowledge

On Semantic Web techniques and applications

On ICT support to Knowledge Management and training

On learning objects creation, processing and use

Tools and methodsFor ontologies creation and use

For design, static and dynamic aggregation of LOs

For content repurposing and adaptive assistance

For knowledge extraction to model learning objects

For advanced multimedia creation, search, delivery

SystemsTELOS infrastructure, kernel, API

5 evolutionary prototype applications

Interoperability Results -Interoperability Results -from eduSourcefrom eduSource

and LORNET and LORNET Gilbert Paquette, TELUQ

and Griff Richards, SFU

AltiLab 2004 Demo SessionIMS

San Francisco, July 20-22 2004

www.edusource.cawww.lornet.org