LAK Dataset and Challenge (April 2013)

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This slideset introduces the LAK Dataset and Challenge, held at the Learning Analytics & Knowledge (LAK) conference in Leuven, Belgium, April 2013. Further information about the dataset and submissions is available at http://ceur-ws.org/Vol-974/ as well as http://www.solaresearch.org/events/lak/lak-data-challenge/.

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LAK Dataset and Challenge (April 2013)

  1. 1. MotivationData on the WebSome eyecatching opener illustrating growth and or diversity of web data Learning Analytics and Knowledge (LAK) – Dataset and Challenge Stefan Dietze , Eelco Herder (L3S Research Center, DE, @stefandietze) Mathieu d’Aquin (The Open University, UK) Hendrik Drachsler (Open Universiteit Nederland, Netherlands) Davide Taibi (Institute for Educational Technologies CNR, Italy) Stefan Dietze 09/04/13
  2. 2. LAK Data Challenge in a nutshellhttp://www.solaresearch.org/events/lak/lak-data-challenge/ 1. Price iPad, 64 GB 2. Price iPad, 16 GB 3. Price iPod, 16 GB + additional publicity through LinkedUp (if actually desired)
  3. 3. LAK Challenge – sponsored by LinkedUp http://www.linkedup-project.eu/ Partners  EC-funded support action, started in 11/2013  Three pillars:  LinkedUp Challenge: open data competition (over 1.5 years) [ http://linkedup-challenge.org ]  Linked Education Data: data & catalog for large-scale educational Web data applications  Evaluation Framework for open data applications Stefan Dietze 09/04/13
  4. 4. Learning Analytics & Knowledge (LAK) DatasetExtraction process CKAN linkededucation http://www.solaresearch.org/resources/lak-dataset/ LAK tutorial LAK Data LAK challenge LILE2013 @ www
  5. 5. Learning Analytics & Knowledge (LAK) Dataset A corpus of metadata and full-text of 331 learning analytics & educational data mining publications Freely, openly available in variety of structured formats Open access as well as previously non-public resources Publication # of papers Proceedings of the ACM International Conference on Learning Analytics 66 and Knowledge (LAK) (2011-12) The open access journal Educational Technology & Society special issue 10 on “Learning and Knowledge Analytics”: Educational Technology & Society (Special Issue on Learning & Knowledge Analytics, edited by George Siemens & Dragan Gašević), 2012, 15, (3), pp. 1-163. Special permission from ACM Proceedings of the International Conference on Educational Data 239 Mining (2008-12) Journal of Educational Data Mining (2008-12) 16 Stefan Dietze 09/04/13
  6. 6. Learning Analytics & Knowledge (LAK) DatasetExtraction process 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: Stefan Dietze http://ceur-ws.org/Vol-974/lakdatachallenge2013_preface.pdf
  7. 7. Learning Analytics & Knowledge (LAK) DatasetHow to access? http://www.solaresearch.org/resources/lak-dataset/ Dumps in zipped RDF/XML file format for download from the SoLAR Website => [ http://data.linkededucation.org/lak/xml-dump.zip ] => [ http://data.linkededucation.org/lak/edm-xml-dump.zip ] Dumps in R format => [ http://crunch.kmi.open.ac.uk/people/~acooper/data/LAK-Dataset.RData ] Linked Data endpoint with a public SPARQL interface providing access to structured RDF metadata according to LOD principles => [ http://data.linkededucation.org/request/lak-conference/sparql?query=... ] => Example resource: http://data.linkededucation.org/resource/lak/conference/edm2010/paper/162 Stefan Dietze 09/04/13
  8. 8. Learning Analytics & Knowledge (LAK) DatasetHow to access? Used schemas Semantic Web Conference ontology http://data.semanticweb.org/ns/swc/ontology Linked Education schema http://data.linkededucation.org/ns/linked-education.rdf
  9. 9. LAK Data Challenge in a nutshellhttp://www.solaresearch.org/events/lak/lak-data-challenge/ 1. Price iPad, 64 GB 2. Price iPad, 16 GB Objectives:  Analysis & assessment of the emerging LAK community (topics, people, citations or connections with other fields) 3. Price iPod, 16 GB  Innovative applications to explore, navigate and visualise the dataset (and/or its correlation with other datasets)  Usage of the dataset as part of recommender systems + additional publicity through LinkedUp (if actually desired)
  10. 10. LAK Challenge – the many faces of a small datasetAnalysis Exploration & VisualisationSearch & Recommendation Correlation & Enrichment
  11. 11. LAK Challenge Submissions (accepted)in a nutshell authors 4% Brazil 4% Canada 10% 7% 14% France 17% Germany 17% Italy Netherlands 21% 3% Serbia 3% Spain United Kingdom Stefan Dietze 09/04/13
  12. 12. Ranking of the LAK Challenge papers Small-scale version for the evaluation of the LAK data submission available here: http://bit.ly/LAK13 Stefan Dietze 17/04/13 12
  13. 13. Ranking of the LAK Challenge papershttp://bit.ly/LAK13 Please use for submission ID the plain number from the CEUR proceedings. Stefan Dietze 17/04/13 13
  14. 14. LAK Challenge Proceedings, CEUR Vol-974 a nutshell http://ceur-ws.org/Vol-974 Video presentation: http://youtu.be/Y3PHgjAFd0o Video presentation Video presentation
  15. 15. Thank you! Contact  http://purl.org/dietze | @stefandietze See also (general)  http://linkedup-project.eu  http://linkedup-challenge.org http://linkededucation.org  http://lile2013.linkededucation.org  http://linkeduniversities.org See also (data)  http://datahub.io/group/linked-education  http://data.linkededucation.org/linkedup/catalog/  http://www.solaresearch.org/resources/lak-dataset/ Stefan Dietze 09/04/13

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