The Ontology Plug-in is an authority tool in the submission process of any repository, document or content management system. Although the tool was developed in the context of AgriOceanDSpace, it is an independent plug-in that can be used with other applications.

About the Ontology Plug-In

 The ontology plug-in was created by Dimitri Surinx, Jeroen Vaelen and Niki Vandesbosch (students at Hasselt University) in August 2012. The first version was realized under supervision of Dirk Leinders, ICT Department, and in cooperation with Christophe Dupriez (Destin). The plug-in is very useful as an authority tool in the submission process of any repository, document or content management system. Characteristics The ontology plug-in searches multiple thesauri and ontologies simultaneously by using a web service broker. The broker can be configured to access any web service. At this moment, it searches FAO’s Agrovoc webservice, and an ASKOSI server containing the AGROVOC, ASFA, Plant Ontology, NERC-C19 (An Oceanographic Geographical ontology) ontology and OceanExpert. 

The application has the following technical specifications: 

  • An ontology server, JAVA – servlet based, that implements the search and browse API by delegating requests to other web services. 
  • An ontology web client for the user interface which calls the ontology server, using Javascript and JQuery. The plug-in can be integrated in external applications, such as metadata submission applications for institutional repositories and library catalogues. 

The ontology plug-in expects the following configuration parameters: ontologies to search, and relations (e.g., broader, narrower) to show. The ontology plug-in delivers as output a list of selected concepts, where each concept has a URI (or unique ID), a preferred label with optional language definition and the ontology from which the concepts has been selected. The external application can integrate this list of concepts in its workflow.

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