ReMashed – Recommendation Approaches for Mash-Up Personal Learning Environments in Formal and Informal Learning Settings at MUPPLE09 in ECTEL 2009, Nice, fr

ReMashed – Recommendation Approaches for Mash-Up Personal Learning Environments in Formal and Informal Learning Settings Hendrik Drachsler, Dries Pecceu, Tanja Arts, Edwin Hutten, Peter van Rosmalen, Hans Hummel & Rob Koper

Personal Environments Nowadays … More Information Blog Reader Providers Social Bookmarking Various Communities hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 2 | September 28, 2009

Personal Learning Environments hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 3 | September 28, 2009

Related Work • Pedagogical Scenarios  Formal Learning (e.g. Hermans & Verjans, 2009) Informal Learning (e.g. Wild, Kalz & Palmer, 2008) • Use Case Studies 4 experiments (e.g Van Harmelen, 2008) • Technology Development Language design for a PLE (e.g. Moederitscher, Wild, Sigurdarson, 2008) Widget Interoperability (e.g. Sire, Vagner, 2008) http://mindmeister.com/15237440/r-d-on-mupples hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 4 | September 28, 2009

Selection problem because … …of the amount of data that is emerging in MUPPLEs. …learners can be overwhelmed by the plethora of information. hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 5 | September 28, 2009

Can we create a Recommender System Today, Recommender Systems for MUPPLEs? our decisions supporting hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 6 | September 28, 2009

What is ReMashed? A Mash-up environment that allows you to personalize emerging information of online communities with a recommender system. You tell what kind of Web 2.0 services you use and then you are able to define which contributions of other members you like and do not like. hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 7 | September 28, 2009

Goals for ReMashed 1. End-User level Providing a recommender system for Web 2.0 sources of learners in MUPPLEs. 2. Researcher level 1. Offering researchers a system for the evaluation of recommendation algorithms for learners in MUPPLEs. 2. Creating user-generated-content data sets for recommender systems in MUPPLEs. hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 8 | September 28, 2009

The 1st Release hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 9 | September 28, 2009

The 2nd Release hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 10 | September 28, 2009

The 2nd Release DUINE Prediction Engine Database User Interface of Items hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 11 | September 28, 2009

How does it work? ReMashed uses collaborative filtering to generate recommendations. It works by matching together users with similar tastes (neighbours) on different Web 2.0 resources (delicious, Flickr, blog feeds, Slideshare, Twitter, and YouTube). hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 12 | September 28, 2009

How does it work? Cold-Start = Tag-based recommendation Collaborative Filtering with ratings hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 13 | September 28, 2009

User Profile hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 14 | September 28, 2009

Context Variables Formal Learning (Top-down environments)  Curriculum (Closed-Corpus)  Teacher directed  Predefined learning resources, learning goals  Maintenance Informal Learning (Bottom-up environments)  More self-directed learning goals  Responsible for own learning pace / path  Learning resources from different providers (Open-Corpus)  Lack of maintenance hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 15 | September 28, 2009

Recommendation Approaches Learning settings, environmental conditions and the task greatly affect the design of recommender systems in TEL. systems in TEL. hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 16 | September 28, 2009

Formal Recommendation Approach Adaptive Learning Goal Layer Sequencing (top-down) Conceptual Layer Content Layer hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 17 | September 28, 2009

Informal Recommendation Approach Hierarchical Clustering Layer n clustering (bottom-up) Clustering Layer 1..n Content Layer hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 18 | September 28, 2009

Conclusions Fed by bottom-up approach Fed by top-down approach hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 19 | September 28, 2009

Future R&D hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 20 | September 28, 2009

You can use it as well! Please sign up at: Register at ReMashed remashed.ou.nl. starts mashing. http://remashed.ou.nl Enter your favorite Taste your Web 2.0 potatoes. personal flavor of Web 2.0. Join the community. hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 21 | September 28, 2009

Many thanks for your interest! This slide is available here: http://www.slideshare.com/Drachsler Email: hendrik.drachsler@ou.nl Skype: celstec-hendrik.drachsler Blogging at: http://elgg.ou.nl/hdr/weblog Twittering at: http://twitter.com/HDrachsler hendrik.drachsler@ou.nl EC-TEL 2009, 2nd MUPPLE workshop, Nice, FR Page 22 | September 28, 2009

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ReMashed – Recommendation Approaches for Mash-Up Personal Learning Environments in Formal and Informal Learning Settings at MUPPLE09 in ECTEL 2009, Nice, fr

by Hendrik Drachsler on Oct 02, 2009

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ReMashed – Recommendation Approaches for Mash-Up Personal Learning Environments in Formal and Informal Learning Settings at MUPPLE09 in ECTEL 2009, Nice, fr — Presentation Transcript