taxonomies for government interoperability e-government unit colette coles, cabinet office ankara,...
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Taxonomies for government
interoperability
e-Government Unit
Colette Coles, Cabinet Office
Ankara, Turkey
16-18 March 2005
The problem with words is….
e-Government Unit
• That they can mean different things
• Machines do not understand meaning
• Need to define concepts and applications of terms
Example the word
green
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Information is complex
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• Different methods of treating a word • free text• fields• relationships
• Different types of information• structured and unstructured
Need for controlled vocabularies
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• Tools for assigning appropriate term to resource
• Used in metadata as encoding schemes
• Enable semantic interoperability
Controlled vocabularies features
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• List of terms or headings• Assigned meaning• Classifying, indexing and searching• Types of CVs
• Taxonomy• Thesaurus• Ontology
Creating your own controlled vocabulary
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1. Audit of current vocabularies2. Type of controlled vocabulary3. Purpose4. Users5. Consultation6. Maintenance7. Governance
eGMS vocabularies
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1. Audience
• eGMS Audience Encoding Scheme (eGMSAES) DRAFT
• indicates the people or groups the content is aimed at
2. Subject.category
• Government Category List (GCL)
• structured list of categories
3. Type
• eGMS Type Encoding Scheme (eGMSTES)
• list of document and other types, for use by the UK public sector
eGMS Audience Encoding Scheme
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Carers Non UK residents
Children Older people
Disabled people Parents
Employees Professionals
Employers Businesses
Ethnic minorities Students
Gay and lesbian Voluntary sector
Jobseekers Women
Low income households Young people
Men
GCL – 12 top level headings
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Agriculture, environment and natural resources
Government, politics and public administration
Arts, recreation and travel Health, nutrition and care
Business and industry Information and communication
Crime, law, justice and rights International affairs and defence
Economics and finance People, communities and living
Education, careers and employment Science, technology and innovation
eGMS Type Encoding Scheme
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Publications/correspondence
Financial/purchasing
Graphical/non-text
Legislation/parliamentary/ local government
News/Meetings/conferences
Personnel/Organisational
Web guidance
eGMS vocabularies
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Government Data Standard Catalogue (GDSC)
• Contributor
• Creator
• Publisher
• Subject.person
Lots more in eGMS…
Conclusion
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• Controlled v uncontrolled language
• Controlled vocabularies remove ambiguity
• Semantic interoperability
Thank you
Any questions?
Colette Coles, eGoverment Unit
e-Government Unit