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Abstract

Die Videos des TIB / AV-Portals werden mit insgesamt 63.356 GND-Sachbegriffen aus Naturwissenschaft und Technik automatisch verschlagwortet. Neben den deutschsprachigen Videos verfügt das TIB / AV-Portal auch über zahlreiche englischsprachige Videos. Die GND enthält zu den in der TIB / AV-Portal-Wissensbasis verwendeten Sachbegriffen nur sehr wenige englische Bezeichner. Es fehlt demnach ein englisches Indexierungsvokabular, mit dem die englischsprachigen Videos automatisch verschlagwortet werden können. Die Lösung dieses Problems sieht wie folgt aus: Die englischen Bezeichner sollen über ein Mapping der GND-Sachbegriffe auf andere Datensätze gewonnen werden, die eine englische Übersetzung der Begriffe enthalten. Die verwendeten Mappingstrategien nutzen die DBpedia, LCSH, MACS-Ergebnisse sowie den WTI-Thesaurus. Am Ende haben 35.025 GND-Sachbegriffe (mindestens) einen englischen Bezeichner ermittelt bekommen. Diese englischen Bezeichner können für die automatische Verschlagwortung der englischsprachigen Videos unmittelbar herangezogen werden. 11.694 GND-Sachbegriffe konnten zwar nicht ins Englische "übersetzt", aber immerhin mit einem Oberbegriff assoziiert werden, der eine englische Übersetzung hat. Diese Assoziation dient der Erweiterung der Suchergebnisse.

Content

Beitrag als ausgearbeitete Form eines Vortrages während des 103. Deutschen Bibliothekartages in Bremen. Vgl.: https://www.o-bib.de/article/view/2014H1S197-204.

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Abstract

Purpose The purpose of this paper is threefold: to focus on the process of multilingual concept scheme construction and the challenges involved; to addresses concrete challenges faced in the construction process and especially those related to equivalence between terms and concepts; and to briefly outlines the translation strategies developed during the process of concept scheme construction. Design/methodology/approach The analysis is based on experience acquired during the establishment of the Finnish thesaurus and ontology service Finto as well as the trilingual General Finnish Ontology YSO, both of which are being maintained and further developed at the National Library of Finland. Findings Although uniform resource identifiers can be considered language-independent, they do not render concept schemes and their construction free of language-related challenges. The fundamental issue with all the challenges faced is how to maintain consistency and predictability when the nature of language requires each concept to be treated individually. The key to such challenges is to recognise the function of the vocabulary and the needs of its intended users. Social implications Open science increases the transparency of not only research products, but also metadata tools. Gaining a deeper understanding of the challenges involved in their construction is important for a great variety of users - e.g. indexers, vocabulary builders and information seekers. Today, multilingualism is an essential aspect at both the national and international information society level. Originality/value This paper draws on the practical challenges faced in concept scheme construction in a trilingual environment, with a focus on "concept scheme" as a translation and mapping unit.