Building a semantic vocabulary framework for educational repositories

Edrene conference

Poitiers, October 26-27, 2011

Allard Strijker, SLO

Semantic web YouTube

Questions.. to think about

• How to deal with the meaning of terms in vocabularies?

• Related experiences, research?

Vocabularies used for

• Labelling learning resources • Searching and finding• Interoperability between educational collections

(50+)• Data exchange between schools and

government• Structuring content in Virtual Learning

Environments (VLEs)• Monitoring learners• Data exchange test results

Growing number of vocabularies (88)

• CZP 1.7 structure - LOMv1.0• CZP 1.8 aggregation level - LOMv1.0• CZP 1.8 aggregation level - Recommended• CZP 2.2 status - LOMv1.0• CZP 2.3.1 lifecycle contribute role -

LOMv1.0• CZP 3.2.1 metametadata contribute role -

LOMv1.0• CZP 4.4.1.1 technical requirement type -

LOMv1.0• CZP 4.4.1.2 technical requirement name -

operating system - LOMv1.0• CZP 4.4.1.2 technical requirement name -

operating system - mobile devices (Draft)• CZP 4.4.1.2 technical requirement name -

webbrowser - LOMv1.0• CZP 5.1 interaction type - LOMv1.0• CZP 5.2 learning resource type - LOMv1.0• CZP 5.2 learning resource type -

Recommended• CZP 5.3 interactivity level - LOMv1.0• CZP 5.4 semantic density - LOMv1.0• CZP 5.5 intended end user role - LOMv1.0• CZP 5.6 context - LOMv1.0• CZP 5.6 context - Recommended• CZP 5.8 difficulty - LOMv1.0• CZP 6.1 cost - LOMv1.0• CZP 6.2 copyrights and other restrictions -

LOMv1.0• CZP 7.1 relation kind - LOMv1.0• CZP 9.1 classification purpose - LOMv1.0• CZP 9.1 classification purpose -

Recommended• CZP 9.2 classificatie - SO accessibility

restrictions (Draft)• CZP 9.2 classificatie - SO learner properties

(Draft)• CZP 9.2 classification - general

competency - Multiple intelligence (Draft)• CZP 9.2 classification - general

competency - Thinking skills (Draft)• CZP 9.2 classification - general educational

level - Educational level indicators• CZP 9.2 classification - MBO discipline -

Domain exceeding subjects in secondary Vocational Education and Training (VET) in the Netherlands (Draft)

• CZP 9.2 classification - MBO discipline - Educational domains and study directions in secondary Vocational Education and Training (VET) in the Netherlands 2011 (Draft)

• CZP 9.2 classification - MBO skill level - Reference framework for language and mathatics (Draft)

• CZP 9.2 classification - PO discipline - Subject indicators for primary education (Draft)

• CZP 9.2 classification - VO discipline - Subject indicators for secundary education

• CZP (Submitted) 5.2 NME learning material types

• CZP (Submitted) 6.2 copyrights and other restrictions - NL-LOM

• CZP (Submitted) 9.2 classification - algemeen discipline - Economy learning domains

• CZP (Submitted) 9.2 classification - general competency - NME competencies within methods

• CZP (Submitted) 9.2 classification - general discipline - Arithmatic learning domains

• CZP (Submitted) 9.2 classification - general discipline - Language learning domains

• CZP (Submitted) 9.2 classification - general discipline - LB domains, dimensions and themes

• CZP (Submitted) 9.2 classification - general discipline - Math learning domains

• CZP (Submitted) 9.2 classification - general educational level - Educational level indicators (Proposed changes)

• CZP (Submitted) 9.2 classification - general idea - Arithmatic subjects and tasks

• CZP (Submitted) 9.2 classification - general idea - Design, development, dispersion and use of digital learning materials

• CZP (Submitted) 9.2 classification - general idea - Knowledge clusters for design, development, dispersion and use of digital learning materials

• CZP (Submitted) 9.2 classification - general idea - Language subjects and tasks

• CZP (Submitted) 9.2 classification - general idea - LB topics

• CZP (Submitted) 9.2 classification - general idea - Learner characteristic

• CZP (Submitted) 9.2 classification - general idea - Learning activity characteristic

• CZP (Submitted) 9.2 classification - general idea - Learning activity type

• CZP (Submitted) 9.2 classification - general idea - Math subjects and tasks

• CZP (Submitted) 9.2 classification - general idea - Method type

• CZP (Submitted) 9.2 classification - general idea - NME activity types

• CZP (Submitted) 9.2 classification - general idea - NME location types

• CZP (Submitted) 9.2 classification - general idea - NME organisation types

• CZP (Submitted) 9.2 classification - general idea - NME themes

• CZP (Submitted) 9.2 classification - general idea - Special education kind

• CZP (Submitted) Core Subject Taxonomy for Mathematical Sciences Education according to Nationale Kennisbank Basisvaardigheden Wiskunde (NKBW)

• CZP (Submitted) Mapping 1.8 aggregation level - EduStandaard to IEEE-LOM vocabulary

• CZP (Submitted) Mapping 1.8 aggregation level - IEEE-LOM to EduStandaard vocabulary

• CZP (Submitted) Mapping 5.2 learning resource type - EduStandaard to IEEE-LOM vocabulary

• CZP (Submitted) Mapping 5.2 learning resource type - IEEE-LOM to EduStandaard vocabulary

• CZP (Submitted) Mapping 5.6 context - EduStandaard to IEEE-LOM vocabulary

• CZP (Submitted) Mapping 5.6 context - IEEE-LOM to EduStandaard vocabulary

• CZP (Submitted) Mapping 9.2 classification - MBO discipline - 2009 version to 2010 version vocabulaire

• CZP (Submitted) Relation 5.6 Context to 9.2 Educational level vocabulary

• CZP (Submitted) Relation 9.2 Educational level to Disciplines vocabulary

• CZP (Withdrawn) 9.2 classification - general discipline - Subject areas

• CZP (Withdrawn) 9.2 classification - MBO discipline - Educational domains and study directions in secondary Vocational Education and Training (VET) in the Netherlands 2009

• CZP (Withdrawn) 9.2 classification - general educational level - Educational level indicators 2006

• CZP (Withdrawn) classification - Domains/clusters of final objectives in secondary / pre-vocational education VMBO

• CZP (Withdrawn) classification - Domains/clusters of final objectives in senior general secondary / pre-university education HAVO/VWO

• CZP classification - Competencies in secondary Vocational Education and Training (VET) in the Netherlands (Draft)

• CZP classification - Core objectives for lower secondary education

• CZP classification - Core objectives for primary education

• CZP classification - Learning areas in lower secundary education

• CZP classification - Legal subject names in secondary education conform CFI/IB-groep (Submitted)

• CZP classification - Occupational outflows in secondary Vocational Education and Training (VET) in the Netherlands (Draft)

• CZP classification - Profiles in second phase for senior general secondary / pre-university education HAVO/VWO (Submitted)

• CZP classification - Qualification files in secondary Vocational Education and Training (VET) in the Netherlands (Draft)

• CZP classification - Sectors in pre-vocational secondary education VMBO (Submitted)

• Edustandaard's relatie termen• ISO 2788 Term Relationships for

Monolingual Thesauri as Used by the IMS Vocabulary Definition Exchange Specification (Submitted)

• ISO 5964 Degrees of Equivalance for Multilingual Thesauri as Used by the IMS Vocabulary Definition Exchange Specification (Submitted)

• NTA2035 demographics typename - Unique number types

• NTA2035 ext_identification - Field names Dutch extensions

• NTA2035 IMS LIP default vocabularies

Inconsistency in vocabulairies

• Users• Function• Naming• Location• Relations

• Versions• Metadata• Structure• Coverage• Communication

Vocabulary framework

• One master set of unique terms (>>5000)

• Clear classification of terms

• Vocabularies as collections

• Clear relations between subsets

Chemistry

Biology

Electrical enignering

Geography

Boston

Dutch

Mathematics

Human Care

Programming

Level 2

Level 1

English

Water

Narrow Term

Explain why some people think that Poitiers was a Roman Capital

Classification

Framework

Educational

Learning objectives Levels Content

Organizational Technical

Subjects

Secondaryeducation

Primary education

Vocationaleducation

Chemistry

Biology

Electrical enignering

Geography

English

Dutch

Mathematics

Vocabularies as Collections

Human Care

Programming

Science

Relations

Content

Learning objectivesLevels

Boston

2nd grade secondary education

Explain why Boston is important

Semantic vocabularies

• Terms with multiple meanings like Boston– Each meaning a unique identifier– Terms have a shared caption– Shared captions are also used as identifier– Describing learning materials most specific

• ID: UUID1• Description: Boston the city in England• Caption; Boston• Classification: Content

• ID: UUID2• Description: Boston the band• Caption; Boston• Classification: Content

Vocabularies

• Geography Narrower Term Cities in England• Cities in England Narrower Term Boston

• Vocabulary– UUIDA Narrower Term UUIDB– UUIDB Narrower Term UUID2

Thank you!

• More information– Allard Strijker– a.strijker@slo.nl