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http://www. WindMusic .org

Example of the new possibilities for DSpace

when adding SKOS

thesaurus and authority lists management

DSUG 2009, Göteborg, Sweden

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Centre d’Informations musicales

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Dominicans’ cloister in Guebwiller

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La Marguerite

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Adding to DSpace, SKOS compatible

thesaurus and authority lists management

 Why ?

 What are the results achieved ?

 How has it been done ?

 What’s next ?

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 Sverige

 Sweden

 Suède

 Zweden

 Schweden

 Suecia

 Svezia

 Σουηδία

 Ruotsi

 Szwecja…

Internet is worldwide and World is

MULTILINGUAL

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Exhaustivity = x  y  z

Sverige

x documents

Göteborg

y documents

Stockholm

z documents

Sweden Swedish Kingdom

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Encoding for PRECISION Suède

Country_SE

“ Blue Suede Shoes Y documents written by a Swedish author

X documents

published

in Sweden

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Data Quality

Suiden Suéde

Suédoise

Sveridge

Country_SE

→Sverige

→Sweden

→Suède

→Zweden

→Schweden

→Suecia

→Svezia

→Σουηδία

→Ruotsi

→Szwecja

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Controlling Field Values

Multilingual

Precise Concept

Specific Concepts for Exhaustive Retrieval

Synonyms

Better Retrieval & Data Quality

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WindMusic Demo

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Simple Knowledge Organization System

Scheme of Concepts

Concept

Concept

Concept Concept Concept

Labels EN, DE, FR…

ids

W3C SKOS

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Thesauri and Authority Lists sources

 SQL Dynamic Sources

 DSpace Collections

 Any existing databases from another application

 CSV (Tabular) files

 XML

 RDF to be implemented

All sources are made accessible

with a common SKOS compatible API

(32)

DSpace Integration - Encoding

1. The user selects a Concept Label using “Auto-complete”

 to Add a value to a Metadata field

 to Change a value

 to select a concept to be Searched

2. The concept code is stored (or searched) by DSpace

Labels also have to be mapped to concept codes when Importing new data…

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DSpace Indexing

– Explode concepts with all their labels and their broader concepts

 Add to Lucene all translations and synonyms for each concept referred by metadata:

Enables word searches using any of those terms

 Add to Lucene all broader concepts for each code referred by metadata:

 Search can include narrower concepts

 Search can start from a category of authority list entries (e.g. all records with an author born in a given country)

 Count removed and added concept references:

 Concepts are displayed with usage

statistics in each index and application

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DSpace Metadata Rendering:

Decoding

concept references to users

 Best available concept label for the user language

 Count of concept usage in different applications and for different search indexes

 Exporting metadata fields in OAI or RSS

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What’s next ?

 Dublin Core Application

Profile (DCAP) to standardize Metadata Processing

Parameterization

 Integration with SolR : Faceted Browsing, BlackLight?

 SHAME for data update

 SKOS RDF support

Project information can be found at

http://www.ASKOSI.org

References

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