LAK14 Data Challenge
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The document discusses the LinkedUp project, which focuses on the use of open data for educational applications, including a data challenge and various initiatives aimed at enhancing learning analytics. Key topics include the evaluation framework for open data applications, various competition entries that utilize linked data, and the importance of collaboration between educational institutions. The document also highlights the LAK (Learning Analytics and Knowledge) dataset and its significance for research in learning analytics.
![09/04/13
LAK
Challenge
–
sponsored
by
LinkedUp
§ EC-‐funded
support
ac#on,
started
in
11/2012
§ Three
pillars:
§ LinkedUp
Challenge:
open
data
compe==on
(over
1.5
years)
[
hVp://linkedup-‐challenge.org
]
§ Linked
Educa#on
Data:
data
&
catalog
for
large-‐scale
educa=onal
Web
data
applica=ons
§ Evalua#on
Framework
for
open
data
applica=ons
http://www.linkedup-project.eu/
Partners
Stefan Dietze](https://image.slidesharecdn.com/lak14datachallengelinkedup-140325201514-phpapp01/85/LAK14-Data-Challenge-5-320.jpg)
LAK14 Data Challenge
- 1. Mo#va#on Data on the Web Some eyecatching opener illustra#ng growth and or diversity of web data LAK – Data Challenge 2014 #LAKdata14 Stefan Dietze , Eelco Herder (L3S Research Center, DE) Mathieu d’Aquin (The Open University, UK) Davide Taibi (Ins=tute for Educa=onal Technologies CNR, IT) Hendrik Drachsler (Welten Ins=tute, Open Universiteit Nederland, NL) 09/04/13Hendrik Drachsler
- 2. 26 March 2014Hendrik Drachsler 2
- 3. 3 • Assistant Professor on Technology-‐Enhanced Learning • Research topics: Personaliza=on, Recommender Systems, Learning Analy=cs, Mobile devices • Applica=on domains: Science 2.0 Health 2.0 WhoAmI
- 5. 09/04/13 LAK Challenge – sponsored by LinkedUp § EC-‐funded support ac#on, started in 11/2012 § Three pillars: § LinkedUp Challenge: open data compe==on (over 1.5 years) [ hVp://linkedup-‐challenge.org ] § Linked Educa#on Data: data & catalog for large-‐scale educa=onal Web data applica=ons § Evalua#on Framework for open data applica=ons http://www.linkedup-project.eu/ Partners Stefan Dietze
- 8. LinkedUp Data Catalogue hVp://data.linkededuca=on.org/linkedup/catalog/
- 9. LinkedUp Data Catalog in a nutshell Stefan Dietze 26 March 2014 hVp://data.linkededuca=on.org/linkedup/categories-‐explorer § RDF dataset catalog of Linked Open Data for learning § Browse, explore and query across the LOD cloud § Federated queries
- 11. § Open & focused track(s) § Final events at ESWC2014 (May, Crete) § Open Track only § Final events at OKCon 2013 (September 2013, Geneva) § Open track & focused tracks § Submission details and calls to be released soon § Final events at ISWC2014 (October, Riva del Garda, Italy) May –September 2013 October 2013 – May 2014 May 2014 – October 2014 ?
- 12. Veni shortlist & winners DataConf. KnowNodes Mismuseos ReCredible YourHistory 26 March 2014 hVp://www.globe-‐town.org/ WeShare -‐ 3rd price / people‘s choice GlobeTown -‐ 2nd price hVp://seek.cloud.gsic.tel.uva.es/weshare/ hVp://www.polimedia.nl/ PoliMedia – 1st price
- 13. 1st Place: PoliMedia Exploring poli=cal debates & events 09/04/13Stefan Dietze § Explora#on of poli#cal debates and news coverage § Automa=cally generated links between transcripts debates, newspaper ar#cles, § Generated data available as Linked Data ( hVp://data.polimedia.nl) § Data sources: 1) newspapers in their original layout of the historical newspaper archive, and 2) radio bulle=ns of the Dutch Na=onal Press Agency (ANP) § 9000+ debates (1945 – 1995) § Over 3000 media links Mar=jn Kleppe, Max Kemman, Henri Beunders (Erasmus Universiteit RoVerdam), Laura Hollink Damir Juric (Vrije Universiteit Amsterdam), Johan Oomen Jaap Blom (Nederlands Ins=tuut voor Beeld en Geluid) hVp://www.polimedia.nl/
- 14. 2nd Place: GlobeTown Open data for sustainable development 09/04/13Stefan Dietze § Exploring interac=on between data about environment, economy and society (cause and effect in complex systems) § Diverse open government data: § SWERA renewable energy data: hVp://swera.unep.net/, § UN Comtrade trade data: hVp://comtrade.un.org/, § Country names and codes: hVp://opengeocode.org, § OECD sta=s=cs: hVp://stats.oecd.org/, § World Bank: hVp://data.worldbank.org § Top three at Apps4Climate compe==on, held by the World Bank Jack Townsend, Andrea Prieto-‐Vega, Richard Gomer, Will Fyson, Dom Hobson, Huw Fryer (University of Southampton, UK) hVp://www.globe-‐town.org/
- 15. 3rd Place/Peoples Choice: WeShare Exploring, annota=ng, ra=ng educa=onal ICT tools Stefan Dietze 26 March 2014 § Social & seman=c annota#on applica=on for educa#onal ICT tools § Aids educators to find tools to support teaching at all educa=onal levels § Gathers and enriches data from exis=ng registries and datasets § Currently: approx. 7000 tool descrip#ons § Crowdsourcing: educators, tutors etc can modify and enrich data Adolfo Ruiz-‐Calleja, Guillermo Vega-‐Gorgojo, Juan I. Asensio-‐Pérez, Eduardo Gómez-‐Sánchez, Miguel L. Bote-‐Lorenzo, Carlos Alario-‐Hoyos Universidad de Valladolid, Universidad Carlos III de Madrid, Valladolid, Spain hVp://seek.cloud.gsic.tel.uva.es/weshare/
- 16. Veni Awards, OKCon, Geneva • Live streaming of awards • 900+ at event • Video of awards online
- 18. Vidi Compe##on Focused Tracks Looking for prototypes that solve a particular problem Open Track
- 19. Overview • 14 entries from 12 countries • Currently being looked at by review panel • Assessing using evaluation framework • Winners will be announced at ESWC in Crete, May 2014 • Prizes for open track and focused track • People’s Choice Vidi Compe##on
- 20. May – October 2013 • Soon to be launched! • Awards ceremony at ISWC, Italy, October 2014
- 21. Learning Analy#cs & Knowledge Data & Challenge Facilita=ng Research on Learning Analy=cs and EDM 26 March 2014 hVp://lak.linkededuca=on.org/ LAK Dataset (450 publica#ons in RDF/R) § ACM Interna=onal Conference on Learning Analy=cs and Knowledge (LAK) (2011-‐13) § Interna=onal Conference on Educa=onal Data Mining (2008-‐13) § Journal of Educa=onal Data Mining (2008-‐12) LAK Data Challenge § Analyse, explore correlate the LAK Dataset § At ACM LAK 2014 (April 2014, Indianapolis)
- 22. Learning Analy#cs & Knowledge (LAK) Dataset § A corpus of metadata and full-‐text of all learning analy=cs & educa=onal data mining publica=ons § Freely, openly available in variety of structured formats § Open access as well as previously non-‐public resources Publica#on # of papers Proceedings of the ACM Interna#onal Conference on Learning Analy#cs and Knowledge (LAK) (2011-‐12) 66 The open access journal Educa#onal Technology & Society special issue on “Learning and Knowledge Analy#cs”: Educa=onal Technology & Society (Special Issue on Learning & Knowledge Analy=cs, edited by George Siemens & Dragan Gašević), 2012, 15, (3), pp. 1-‐163. 10 Proceedings of the Interna#onal Conference on Educa#onal Data Mining (2008-‐12) 239 Journal of Educa#onal Data Mining (2008-‐12) 16 Special permission from ACM 26 March 2014 22Hendrik Drachsler
- 23. Learning Analy#cs & Knowledge (LAK) Dataset Extrac=on process 26 March 2014 Further reading: Taibi, D., Dietze, S., Fostering Analytics on Learning Analytics Research: the LAK Dataset, in: CEUR WS Proceedings Vol. 974, Proceedings of the LAK Data Challenge, held at LAK2013 – The Third Conference on Learning Analytics and Knowledge, April 2013., URL: http://ceur-ws.org/Vol-974/lakdatachallenge2013_preface.pdfHendrik Drachsler
- 24. LAK Challenge Submissions (accepted)in a nutshell 4% 7% 4% 17% 3% 3% 21% 17% 14% 10% authors Brazil Canada France Germany Italy Netherlands Serbia Spain United Kingdom 26 March 2014 24Hendrik Drachsler
- 25. LAK Challenge Proceedings, CEUR Vol-‐974 a nutshell http://ceur-ws.org/Vol-974
- 26. #LAKdata13– the many faces of a small dataset Analysis Exploration & Visualisation Search & Recommendation Correlation & Enrichment
- 27. #LAKdata13 – Most used Technologies 2013 1. 2. 3. 4. 5. 6. 7. 8. 9. Cr 26 March 2014LinkedUp – Dr. Hendrik Drachsler 27
- 28. #LAKdata13 – Authors (mostly EDM) 26 March 2014 28 Hendrik Drachsler
- 29. #LAKdata13 – Authors (purely LAK) 26 March 2014 29 Hendrik Drachsler
- 30. #LAKdata13 – Central countries • • 26 March 2014 30 Hendrik Drachsler
- 31. #LAKdata13 – Central topics • Learners-‐model-‐data Student-‐model-‐parameter-‐skill • Model-‐data-‐features-‐predic=on • network-‐community-‐discussion-‐analysis (2011 ) 26 March 2014 31 Hendrik Drachsler EDM LAK • Intelligent tutoring systems • Accuracy of different types of predic=ve models • Revealing unexpected paVerns • Feature extrac=on • Types of parameter • automa=c support for edu. Processes • Adapta=on and personaliza=on of learning • predic=on, accuracy and precision • More focused on Teacher Support with LA to support students • Promo=ng reflec=on for students and instructors • Informal learning • Leverage human judgment on informing and empowering instructors • Empowering learners to reflect over learning processes • Network-‐community-‐social-‐users Shared topics
- 32. #LAKdata13 – EDM vs. LAK 26 March 2014 32 Hendrik Drachsler
- 33. #LAKdata13 – EDM & LAK 26 March 2014 33 Hendrik Drachsler | 2011 – 1st LAK
- 34. 26 March 2014 34 #LAKdata14 – LAK Data Challenge 2014 Hendrik Drachsler
- 35. #LAKdata14 – Agenda 26 March 2014LinkedUp – Dr. Hendrik Drachsler 35 Chance for some awesome gadgets:
- 36. Mo#va#on Data on the Web Some eyecatching opener illustra#ng growth and or diversity of web data LAK – Data Challenge 2015 #LAKdata15 -‐= FOCUS TASKS =-‐ Stefan Dietze , Eelco Herder (L3S Research Center, DE) Mathieu d’Aquin (The Open University, UK) Davide Taibi (Ins=tute for Educa=onal Technologies CNR, IT) Hendrik Drachsler (Welten Ins=tute, Open Universiteit Nederland, NL) 09/04/13Hendrik Drachsler
- 37. LAK Challenge – and the winners are... 09/04/13
- 38. LAK Challenge – and the winners are... 09/04/13
- 39. LAK Challenge – and the winners are... 09/04/13
- 40. LAK Challenge – and the winners are... 09/04/13
- 41. 41 This silde is available at: http://www.slideshare.com/Drachsler Email: hendrik.drachsler@ou.nl Skype: celstec-hendrik.drachsler Blogging at: http://www.drachsler.de Twittering at: http://twitter.com/HDrachsler Many thanks for your attention! 26 March 2014LinkedUp – Dr. Hendrik Drachsler 41