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Book (stand-alone)Reengineering Thesauri for New Applications: the AGROVOC Example 2004
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No results found.Existing classification schemes and thesauri are lacking in well-defined semantics and structural consistency. Empowering end users in searching collections of ever increasing magnitudes with performance far exceeding plain free-text searching (as used in many Web search engines), and developing systems that not only find but also process information for action, requires far more powerful and complex knowledge organization systems (KOSs). The paper presents a conceptual structure and transition procedure to support the shift from a traditional KOS towards a full-fledged and semantically rich KOS. The proposed structure also complies with other interoperability approaches like RDFS and XML in the Web environment. AGROVOC, a traditional thesaurus developed and maintained by the Food and Agriculture Organization (FAO) of the United Nations, serves as a case study for exploring the reengineering of a traditional thesaurus into a fully-fledged ontology. We start the process of developing an inventory of specific relationship types with well-defined semantics for the agricultural domain and explore the rules-as-you-go approach to streamlining the reengineering process. -
Book (stand-alone)The Mapping Schema from Chinese Agricultural Thesaurus to AGROVOC 2005
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No results found.This paper introduces the criteria and the procedures for mapping the Chinese Agricultural Thesaurus (CAT) to FAO’s multilingual agricultural thesaurus AGROVOC. It proposes modifications to the interthesaurus mapping rules provided in the Simple Knowledge Organization System (SKOS) specification. It outlines in detail the criteria for the application of each of the mapping rules. We will describe the procedure for the application for these rules and give concrete examples taken from both thesaur i. -
Book (stand-alone)From AGROVOC to the Agricultural Ontology Service / Concept Server
An OWL model for creating ontologies in the agricultural domain
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This paper illustrates the conversion from a traditional thesaurus in agriculture (AGROVOC) to a new system, the Agricultural Ontology Service Concept Server (AOS/CS). The Concept Server will serve as a multilingual repository of concepts in the agricultural domain providing ontological relationships and a rich, semantically sound terminology. The Food and Agriculture Organization recently developed the underlying model for this new system in the Web ontology language OWL. In this paper, we desc ribe the purpose of this conversion and the use of OWL and highlight in particular the core features of the developed OWL model. We go on to explain how it evolves and differs from the traditional thesaurus approach.
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