Semantic mediation of vocabularies for ocean observing systems

  • Authors:

  • John Graybeal;Anthony W. Isenor;Carlos Rueda

  • Affiliations:

  • Monterey Bay Aquarium Research Institute, Marine Metadata Interoperability Project, 7700 Sandholdt Rd., Moss Landing, CA 95039, USA;Defence R&D Canada-Atlantic, P.O. Box 1012, 9 Grove Street, Dartmouth, Nova Scotia, Canada B2Y 3Z7;Monterey Bay Aquarium Research Institute, Marine Metadata Interoperability Project, 7700 Sandholdt Rd., Moss Landing, CA 95039, USA

  • Venue:
  • Computers & Geosciences
  • Year:
  • 2012

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Abstract

The collective terminology used in a community of interest identifies the important concepts used by that community. These concepts are related to the research activities of the community and therefore to the types of data that the community creates and uses. Such data may be obtained through direct measurement, through laboratory analysis, or through the numerical or physical modeling conducted by community members. The terminology associated with the data, collectively referred to as a vocabulary, often develops within subgroups of a larger community. When these subgroups are brought together, the disjointed nature of the vocabularies must be addressed for the data to be consolidated into a single, consistent data resource. This consolidation represents a critical challenge for the construction of an ocean observing system. The work presented here describes a semantic mediation framework, which is used to relate multiple oceanographic vocabularies, thereby allowing data consolidation. The framework is described in terms of capabilities required to manage the diverse vocabularies from the organizations that support an ocean observing system. The framework implementation then illustrates the required semantic mediation between the oceanographic vocabularies of the smaller communities, allowing an ocean observing system to appear as a coherent single system, producing coherent data resources from the originally disjoint systems.