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  • × author_ss:"Doerr, M."
  • × theme_ss:"Wissensrepräsentation"
  1. Riva, P.; Doerr, M.; Zumer, M.: FRBRoo: enabling a common view of information from memory institutions (2008) 0.00 
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    Abstract
    In 2008 the FRBR/CRM Harmonisation Working Group has achieved a major milestone: a complete version of the object-oriented definition of FRBR (FRBRoo) was released for comment. After a brief overview of the history and context of the Working Group, this paper focuses on the primary contributions resulting from this work. - FRBRoo is a self-contained document which expresses the concepts of FRBR using the objectoriented methodology and framework of CIDOC CRM. It is an alternative view on library conceptualisation for a different purpose, not a replacement for FRBR. - This 'translation' process presented an opportunity to verify and confirm FRBR's internal consistency. - FRBRoo offers a common view of library and museum documentation as two kinds of information from memory institutions. Such a common view is necessary to provide interoperable information systems for all users interested in accessing common or related content. - The analysis provided an opportunity for mutual enrichment of FRBR and CIDOC CRM. Examples include: - - Addition of the modelling of time and events to FRBR, which can be seen in its application to the publishing process - - Clarification of the manifestation entity - - Explicit modelling of performances and recordings in FRBR - - Adding the work entity to CRM - - Adding the identifier assignment process to CRM. - Producing a formalisation which is more suited for implementation with object-oriented tools, and which facilitates the testing and adoption of FRBR concepts in implementations with different functional specifications and in different environments.
    Content
    Beitrag während: World library and information congress: 74th IFLA general conference and council, 10-14 August 2008, Québec, Canada.
  2. Doerr, M.: ¬The CIDOC CRM, an ontological approach to schema heterogeneity (2005) 0.00 
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    Abstract
    The creation of the World Wide Web has had a profound impact an the ease with which information can be distributed and presented. Now with more and more information becoming available, there is an increasing demand for targeted global search, comparative studies, data transfer and data migration between heterogeneous sources of cultural and scholarly contents. This requires interoperability not only at the encoding level - a task solved well by XML for instance - but also at the more complex semantics level, where lie the characteristics of the domain. In the meanwhile, the reality of semantic interoperability is getting frustrating. In the cultural area alone, dozens of "standard" and hundreds of proprietary metadata and data structures exist, as well as hundreds of terminology systems. Core systems like the Dublin Core represent a common denominator by far too small to fulfil advanced requirements. Overstretching its already limited semantics in order to capture complex contents leads to further loss of meaning.

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