Motivation Data on the Web

Some 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)

09/04/13 Stefan Dietze

LAK Data Challenge in a nutshell http://www.solaresearch.org/events/lak/lak-data-challenge/

2. Price iPad, 16 GB

1. Price iPad, 64 GB

3. Price iPod, 16 GB

+ additional publicity through LinkedUp (if actually desired)

09/04/13

LAK Challenge – sponsored by LinkedUp

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

http://www.linkedup-project.eu/

Partners

Stefan Dietze

Learning Analytics & Knowledge (LAK) Dataset Extraction process

CKAN linkededucation

LAK tutorial

LAK Data

LAK challenge

LILE2013 @ www

http://www.solaresearch.org/resources/lak-dataset/

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 and Knowledge (LAK) (2011-12)

66

The open access journal Educational Technology & Society special issue 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.

10

Proceedings of the International Conference on Educational Data Mining (2008-12)

239

Journal of Educational Data Mining (2008-12) 16

Special permission from ACM

09/04/13 Stefan Dietze

Learning Analytics & Knowledge (LAK) Dataset Extraction 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:

http://ceur-ws.org/Vol-974/lakdatachallenge2013_preface.pdf Stefan Dietze

Learning Analytics & Knowledge (LAK) Dataset How 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

09/04/13 Stefan Dietze

Learning Analytics & Knowledge (LAK) Dataset How 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

LAK Data Challenge in a nutshell http://www.solaresearch.org/events/lak/lak-data-challenge/

Objectives: Analysis & assessment of the emerging LAK community (topics, people, citations or connections with other fields)

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

2. Price iPad, 16 GB

1. Price iPad, 64 GB

3. Price iPod, 16 GB

+ additional publicity through LinkedUp (if actually desired)

LAK Challenge – the many faces of a small dataset

Analysis Exploration & Visualisation

Search & Recommendation Correlation & Enrichment

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

09/04/13 Stefan Dietze

Ranking of the LAK Challenge papers

17/04/13 Stefan Dietze 12

Small-scale version for the evaluation of the LAK data

submission available here:

http://bit.ly/LAK13

Ranking of the LAK Challenge papers

17/04/13 Stefan Dietze 13

http://bit.ly/L

AK13

Please use for

submission ID

the plain

number from

the CEUR

proceedings.

LAK Challenge Proceedings, CEUR Vol-974 a nutshell

Video presentation: http://youtu.be/Y3PHgjAFd0o

Video presentation

Video presentation

http://ceur-ws.org/Vol-974

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/

09/04/13 Stefan Dietze