edu-area in interacción (tenerife, 12 september 2014)

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Edu-AREA Towards the Recognition of Relevance and Reputation in Edu-AREA Manuel Caeiro Rodríguez, Martín Llamas Nistal, Juan Manuel Santos Gago Universidade Vigo 1

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Initial proposal to calculate reputation and relevance adapting the HITS algorithm

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Page 1: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Edu-AREATowards the Recognition of Relevance and

Reputation in Edu-AREA

Manuel Caeiro Rodríguez, Martín Llamas Nistal, Juan Manuel Santos Gago

Universidade Vigo

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Page 2: Edu-AREA in Interacción (Tenerife, 12 september 2014)

About TELGaliciaTELGalicia: Technology Enhanced Learning in Galicia

Heterogeneous research groups:

✓ Pedagogical side: learning materials, competencies, learning profiles, advertisement, psychology, etc.

✓ Technological side: TEL systems, TEL standards, recommendations, natural language processing, etc.

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Page 3: Edu-AREA in Interacción (Tenerife, 12 september 2014)

TELGalicia Goals

Contribute to teaching innovationFrom technology:

✓Content: video, simulation, games, etc.

✓Devices: tablets, computers, interactive whiteboards, etc.

✓Applications: editors, mapping, communication, collaboration, etc.

From pedagogy:

✓ Collaborative.

✓ Cooperative.

✓ Problem-based.

✓ Project-based.

✓ Flipped classroom.

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Page 4: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Proposal: Edu-AREA

Open Educational Activities, Resources and Experiences

www.edu-area.com4

Page 5: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Edu-AREA Principles

Web 2.x Application

Open Concept Social Curation

- A referatory for resources and a repository for activities and guides-Users provide information records freely

- Links among elements are created automatically in accordance to user operations

“Open Educational Resources (OERs) are any type of educational materials that ... any one can legally and freely copy, use, adapt and re-share them”

2012 Paris OER Declaration

use->copy->modify->share

Automatic classification and ordering or information records, attending to:

- User’s reputation:

+refs -> +reputation

-Relevance of information records

+use + reputation ->+ relevance

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Page 6: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Experiencies

GuidesActivitie

s

Boards

To know what to do in teaching and how

To be used in activities

what can teachers find?

To prepare lesson plans before teaching

To document what has been

done/produced

To organize and curate

Resources

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Page 7: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Resources

Elements to be used

✓ Content✓ Devices✓ Applications✓ Contributors✓ Trips

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Page 8: Edu-AREA in Interacción (Tenerife, 12 september 2014)

ActivitiesProposals to carry out during

teaching/learning

✓ Guidelines for the teachers.

✓Linked to resources.

✓Templates are used to support different kinds of formats.

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Page 9: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Guides

To prepare the lesson plan Educational

Setting+

Technological Setting

+Activities

(Resources)

Guides 9

Page 10: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Experiences

To document what happened during teaching

✓ Reflections✓ Outcomes✓ Evidences

Linked to Guides

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Page 11: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Boards

Personal and social classification

✓ Curation: ‣ Categories ‣ Comments‣ Ratings‣ Tags

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Page 12: Edu-AREA in Interacción (Tenerife, 12 september 2014)

What can teachers do?

✓Retain. “Own” personal copies✓Reuse. Without modifications.✓Revise. Modify, adjust, contextualize.✓Remix. Combine with other.✓Redistribute. Make public.

✓Explore✓View

Discover

5Rs

Contribute Curate

✓Register new resources✓Propose new activities✓Prepare new lesson plans

✓Classify✓Annotate✓Assess

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Page 13: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Reputation and Relevance

Definitions: Relevance: appropriate to the matter at hand.

Reputation: the opinion that others have about a person

Why do we need them?• Many concepts Rankings.

• Many users Experts.

• Curation Quality measurement.

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Page 14: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Reputation and Relevance

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Usages

• Retains• Reuses• Revisions• Remixes• Redistributions

Contributions

• New resources• New activities• New Lesson

plans

Curations

• Comments• Ratings• Collections

Page 15: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Reputation and Relevance

How to calculate?• Information retrieval:

• Page Rank. Relevance of a page globally.

• HITS (Hypertext Induced Topic Search). Relevance taking into account the topic.

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Page 16: Edu-AREA in Interacción (Tenerife, 12 september 2014)

HITS

Pages are classified as:

Authorities. Relevant pages for a certain topic.

Hubs. Contain pointers to authority pages.

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Page 17: Edu-AREA in Interacción (Tenerife, 12 september 2014)

HITS

Algorithm:• 1. Set ai, pi (i=1,..,n) to 1

• 2. Repeat until convergence

• 2.1

• 2.2

• 3. Normalize 17

Page 18: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Adapting HITS to Edu-AREA

Algorithm:• 1. Set ri, qi (i=1,..,n) to 1

• 2. Repeat until convergence

• 2.1

• 2.2

• 3. Normalize 18

Relevance (q)

Reputation (r)

Uses (C)

Page 19: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Conclusions

Edu-AREA is an ongoing project.1. Until now, design and implementation

2. Next stage involving users

• 3. Then, relevance and reputation

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Page 20: Edu-AREA in Interacción (Tenerife, 12 september 2014)

Your contribution is welcome!

Thanks

www.edu-area.com

@edu-area

[email protected]

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