Future of vocabularies
description
Transcript of Future of vocabularies
Future of vocabularies
14 November 2013
SCIS and linked data
Ben Chadwick, Metadata analyst
Where are we now?
2012• Why vocabularies? • How to manage multiple
vocabularies?
2013• Linked data• Curriculum vocabularies
Reynolds, Leo 2006, niche, CC-by-nc-sa
Controlled vocabularies
"High levels of precision and recall, the two ways in which we judge any information retrieval system, are dependent on controlled vocabularies and national and international standards - they cannot be obtained by other systems not involving human intervention.”
Michael Gorman foreword to Conversations with Catalogers in the 21st Century, Libraries Unlimited, 2011 (p. viii)
How do vocabularies help search?
• Search expansion and faceting• Navigation and browsing• Collections• Redirects (“See”)• Related topics (“See also”)• Mapping between repositories
scot.curriculum.edu.au/search.asp
Australian Education Vocabularies
ScOT thesaurus
scot.curriculum.edu.au
o About school curriculum and the teaching professiono 9232 conceptso 10 top conceptso 9441 broader/narrower
relationso 7775 alternate labels/
synonymso Used since 2003 for tagging
education resourceso Used since 2011 to tag the
Australian Curriculum
About ScOT
Ecosystems
http://vocabulary.curriculum.edu.au/scot/2458
Ecosystems
Biodiversity; Biogeochemical cycles; Bioindicators; Biomes; Competition (Ecology); Ecological niches; Ecological succession; Food webs; Habitats; Land degradation; Native species; Populations (Ecology); Symbiosis
Ecology
Use for resources about communities of living organisms interacting with each other and with their environment, including the processes that take place.
生態系 ; 生态系统 ; Mātauranga taupuhi kaiao; Ekosistem; بيئي Ökosystem; Οικοσύστημα; Ecosistema; 생태계 ;نظام ;
Hệ sinh thái; Ekosistem; Ecosistema; पा�रि�स्थि�तिक �त्र; Écosystème
http://id.loc.gov/authorities/sh85040752#concept
http://dbpedia.org/resource/Ecosystem
• Unique Identifiers for concepts• Linked to other unique identifiers (inside and
outside the vocabulary)• Open:
– Available for consumption on the open web– Expressed in a standard, machine-readable
format (RDF)
ScOT as Linked Open Data
e-Portfolio
teacherstandards.aitsl.edu.au/elements
Australian Curriculum
australiancurriculum.edu.au
Architecture of the curriculum
Learning Areas
• English• Mathematics• Science• History• Geography
• Arts F-10• Health & Phys Ed F-10• Civics and Citizenship 3-10• Economics & Business 5-
10• Languages F-10• Technologies F-10• Work Studies 9-10
Cross-curriculum priorities
• Aboriginal and Torres Strait Islander histories and cultures
• Asia and Australia’s engagement with Asia
• Sustainability
ScOT in curriculum content descriptions
Tagging the curriculumo 1000+ taggedo 5 curriculum areas
published so faro ACARA endorsed
Aligning existing resources to the Australian Curriculum one of three top priorities of school library staff
Schools want Curriculum Alignment
Softlink 2013 Australian School Library Survey
Adriaen van Utrecht, 1647 Public Domain
Scootle
www.scootle.edu.au
Tagging resources
20,000 resources tagged in Scootle
350,000 resources tagged in SCIS MARC records
o Common vocabularyo Leverage past taggingo Exploit hierarchy
Inference
Curriculum
Link content with high correlation of SCOT
tags
ScOT in Australian Curriculum
Curriculum
Link content with high correlation of SCOT tags
Exploiting the hierarchy
ScOT’s Curriculum Connect tool
• Curriculum alignment: to MARC or not to MARC?• Old records without ScOT terms• Non-subject vocabularies: Audience? Learning area?• Increased records for digital learning resources• Retrospective updates of schools’ SCIS records• Viability of Linked Open Data (LOD) authorities?• A new model for Authority File subscriptions?• Viability of LOD records. What would this mean?
Directions for SCIS
658 Curriculum Objective Element
Curriculum vocabularies in MARC
Number of records with this field in WorldCat:• 4,679 total as of 1 Jul 2013• overall number of holdings: 63,847
SCIS Subject Headings test project
http://stage.poolparty.vocabulary.curriculum.edu.au/scis.html
LOD for Bib Records – final thoughts
What would it mean for SCIS? For systems?• Capacity to pull data. Automatic updating• Local copies versus dynamic querying
Exposing local holdings to the web, with semantic markup • LRMI (schema.org)• BIBFRAME (Library of Congress)
Useful links
Pages URL
ScOT scot.curriculum.edu.au
Solutions scot.curriculum.edu.au/solutions
Curriculum Connect scot.curriculum.edu.au/indexing
API vocabulary.curriculum.edu.au/PoolParty/sparql/scot
Downloads vocabulary.curriculum.edu.au
ScOT blog schoolsonlinethesaurus.edublogs.org
SCIS Subject Headings esa.edu.au/scis
SCIS blog scis.edublogs.org