Tesaurusser
En tesaurus er et kontrolleret og struktureret vokabular, hvor begreber repræsenteres af mærkater. Hvad angår EU-vokabularer, er en tesaurus en flersproget udgave af den foregående grundlæggende definition, hvor det samme begreb på alle de understøttede sprog repræsenteres af et enkelt foretrukket mærkat. Der er mulighed for, at et eller flere alternative mærkater også kan knyttes til hver enkelt sprogversion af et begreb.
Parallelt med de foretrukne og alternative mærkater kan hvert begreb forbindes inden for tesaurussen ud fra tre mulige sammenhænge: et givet begreb kan stå i et bredere, snævrere eller associativt forhold til andre begreber.
Inden for en enkelt tesaurus kan der defineres en række mikrotesaurusser.
Endelig gælder det, at tesaurusser kan forbindes gennem tilpasning af bestemte begreber fra hver enkelt af dem. De tilpasninger, der kan defineres mellem begreber fra forskellige tesaurusser, falder inden for følgende sammenhænge:
- Has exact match (Nøjagtigt match)
- Has close match (Næsten nøjagtigt match)
- Has broad match (Bredt match)
- Has narrow match (Snævert match)
- Has related match (Forbundet match)
Tilgængelige tesaurusser:
The Digital Europa Thesaurus (DET) is a multilingual thesaurus covering the main subject matters of the European Commission's public communications.
Dating from 1978 when catalogues of the Central Library of the Commission of the European Communities (now the European Union) were computerised, ECLAS is a thesaurus created by the Central Library of the Commission of the European Communities for indexing the publications and documents acquired by the Central Library of the Commission. ECLAS was based on the Macrothesaurus of OECD and complemented by the ILO thesaurus. After creation of EUROVOC in 1984, convergence started in order to bring ECLAS in line with EUROVOC, but it was never complete. ECLAS contains nineteen areas of interest in a hierarchical tree structure consisting of four levels. ECLAS is fully available in English and in French.
The OP COMM ECLAS is maintained by the Publications Office of the European Union on the EU Vocabularies website.
EuroVoc is a multilingual, multidisciplinary thesaurus covering the activities of the EU. It contains terms in 24 EU languages (Bulgarian, Croatian, Czech, Danish, Dutch, English, Estonian, Finnish, French, German, Greek, Hungarian, Irish, Italian, Latvian, Lithuanian, Maltese, Polish, Portuguese, Romanian, Slovak, Slovenian, Spanish and Swedish), plus in three languages of countries which are candidate for EU accession: Albanian, Macedonian and Serbian.
EuroVoc is managed by the Publications Office of the European Union, which moved forward to ontology-based thesaurus management and semantic web technologies conformant to W3C recommendations as well as latest trends in thesaurus standards. The thesaurus is disseminated on the EU Vocabularies website.
EuroVoc users include the European Union institutions, the Publications Office of the EU, national and regional parliaments in Europe, plus national governments and private users around the world.
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