Document (#40668)

Author
Strobel, S.
Marín-Arraiza, P.
Title
Metadata for scientific audiovisual media : current practices and perspectives of the TIB / AV-portal
Source
Metadata and semantics research: 9th Research Conference, MTSR 2015, Manchester, UK, September 9-11, 2015, Proceedings. Eds.: E. Garoufallou et al
Imprint
Cham : Springer
Year
2015
Pages
S.159-170
Series
Communications in computer and information science; 544
Abstract
Descriptive metadata play a key role in finding relevant search results in large amounts of unstructured data. However, current scientific audiovisual media are provided with little metadata, which makes them hard to find, let alone individual sequences. In this paper, the TIB / AV-Portal is presented as a use case where methods concerning the automatic generation of metadata, a semantic search and cross-lingual retrieval (German/English) have already been applied. These methods result in a better discoverability of the scientific audiovisual media hosted in the portal. Text, speech, and image content of the video are automatically indexed by specialised GND (Gemeinsame Normdatei) subject headings. A semantic search is established based on properties of the GND ontology. The cross-lingual retrieval uses English 'translations' that were derived by an ontology mapping (DBpedia i. a.). Further ways of increasing the discoverability and reuse of the metadata are publishing them as Linked Open Data and interlinking them with other data sets.
Theme
Metadaten
Automatisches Indexieren
Multilinguale Probleme
Form
AV-Materialien
Location
D
Hannover
Aid
GND
DBpedia

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