E-learning 2.0: you are We-LCoME!

Stefano FerrettiSilvia MirriLudovico A. MuratoriMarco RoccettiPaola Salomoni

Department of Computer Science

Università di Bologna

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Summary

Introduction E-learning + Web 2.0 = E-learning 2.0 Our approach Our prototype:

Design issuesArchitectureUse case

Conclusions

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Introduction

E-learning:Standards (SCORM, IMS LIP, IMS

ACCLIP, IMS ACCMD, …)Platforms (Moodle, ATutor, Claroline, …)

Tools (E-mailing lists, Newsgroups, Whiteboards, Chats, Forums, Online presentations)

Actors (teachers, tutors, learners, …)

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Introduction

Accessible “traditional” e-learning:allows distance and flexible educational

activities decreases the risk of excluding

individuals with particular access capabilities

increases the social inclusion of non-typical learners

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Introduction

Web 2.0Open participation Data decentralizationAssembly from diverse sourcesFreedom to share and re-use Users’ Cooperation and CollaborationNew Applications and technologies (Blogs,

Wikis, Podcasting, Media sharing, …)

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E-learning 2.0

E-learning + Web 2.0 = E-learning 2.0new tools and methodologies to work as in

an on line communityLearning objects may be dinamically

created, aggregated, classified, syndicated and shared by each e-learning actor

Learner may become “prosumer” (consumer+producer)

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E-learning 2.0

If I hear it, I will forget it.If I see it, I will remember it. If I do it, I will understand it.

~Chinese Proverb

And what about if I collaborate?

Collective intelligence

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E-learning 2.0: accessibility

Dangers for accessibility may be embedded in every innovation

The complexity and the technologies of collaborative 2.0 tools represents a risk of exclusion for people with disabilities

The participation of people to the creation and management of contents is a great potential for e-learning accessibility

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E-learning 2.0: accessibility

Lecturers and learning technologies are charged with accessibility of “traditional” e-learning contents

New e-learning 2.0 methodologies and tools could be used to make accessible e-learning in practice, by supporting processes that engage all the different actors, from lecturers to students, including people with disabilities, join to work together

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Our approach

Exploit users’ contribution to cooperatively produce learning objects

Improve learning objects accessibility by allowing users to add textual annotations and alternative contents

Collaboration on the Web WikiWikitext used to produce HTML pagesNo rich media contents

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Our approach

No collaborative editing system available for multimedia contents

A wiki-like system neededTo add text-based data

CaptionsAnnotations

To add media data Contribution: collaborative system for

(multimedia) e-learning contents SMIL documents

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Our prototype

We-LCoME (Wiki e-Learning Compound Multimedia Environment) allows the cooperative creation and sharing of

SMIL-based multimedia resources makes each user able to create, add, modify,

delete each single media composing a didactical resourse and its alternatives

provides suitable workflows to bind users adding meta information about media contents and their accessibility

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Design issues

SMIL: allows to describe the spatial and temporal relations inside compound multimedia

DokuWiki: extended to allowaccessible collaborative editingenhanced wiki-syntaxaccessible SMIL and HTML documents

generation IMS ACCMD: Accessibility MetaData

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Actors and functions

phase 2: captioning

phase 3:add resources

contentrepository

editing system

adaptationsystem

Ac2

Ac3

client

We-LCoME

phase 1: add raw video

lecture

Ac1

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Architecture

Wiki

CONTENT ANALYZER

We-LCoME

Syntax Interprete

r

SMIL Parser

Adaptation System Web

Web Service

Web Service

Web Service

client Broker

ACCMD Manager

User Profile

DB

content repository

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Use case

1. The lecturer adds a video lecture

2. Elements are provided by the students support service staff and the teacher

3. Learners enjoy the lecture and spontaneously enrich it

4. The lecturer corrects and confirms the notes of the previous item of the list

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Adding Videolecture

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Adding Captions

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Adding Captions

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Adding Captions

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Adding Captions

$$0__$15 Good morning, my name is $$0__$15 Good morning, my name is Alessandro Amoroso, I am Alessandro Amoroso, I am professor of Computer Science professor of Computer Science at the University of Bolognaat the University of Bologna

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Adding Captions

$$0__$15 Good morning, my name is $$0__$15 Good morning, my name is Alessandro Amoroso, I am Alessandro Amoroso, I am professor of Computer Science professor of Computer Science at the University of Bolognaat the University of Bologna

SMIL file<textstream src="captions.rt" region="region_caption" …/>

captions.rt<Time begin="0:00:00.0" end="0:00:15.0"/><clear/> Good morning, my name is ...

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Adding Metadata

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Adding Metadata

<accessibility> <resourceDescription> <primary hasAuditory="true“ hasTactile="false“ hasText="false” hasVisual="false"/> </resourceDescription></accessibility>

<accessibility> <resourceDescription> <primary hasAuditory="true“ hasTactile="false" hasText="false“ hasVisual="false"/> <equivalentResource> http://www.criad.unibo.it/We-LCoME/file1.txt </equivalentResource> </resourceDescription></accessibility>

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Conclusions

We-LCoME aim is to mashup compound multimedia potentials with the “collective intelligence”

Final e-learning media contents represent a sort of added value, coming from the iterated process of noting and enriching contents.

We-LCoME provides a simple interface (based on the wiki way) to access each media of SMIL based video lectures.

A suitable interface is provided to manage the ACCMD metadata about the accessibility of added contents.

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Future Works

Improving the authoring interface spatial dimension of SMIL based video lectures tagging research content (tags and metadata)

Adaptation system: Sharing transcoding loads

Assessment: Wider group of user Longer period Evaluation of:

accessibility of didactical materialsavailability of didactical materialsmetadata

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Contacts

Thank you for your attention!

For further information:silvia.mirri@unibo.it