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The data publishing objects provide  CV Broker Objects which mediate between data stores and catalogues and  presentation objects (virtual laboratories). CV Broker Objects#data_data broker act as intermediaries for access to data held within the data store objects supporting CV Data Curation. Semantic brokers enable semantic interpretation. Brokers are responsible for verifying the agents making access requests and for validating those requests prior to sending them on to the relevant data curation service.

The following examples present two important groups of functionalities provided by the data publishing subsystem: concept mapping and data publishing.

Concept Mapping

The CV Presentation Objects#semantic_semantic laboratory facilitates three actives which support linking data and metadata to one or more global models: (1) Build Global Conceptual Model, (2) Setup Mapping Rule, and (3) Perform Mapping. The CV Broker Objects#semantic_The semantic broker will facilitate updating the data and internal concept model to preserve the mappings by invoking the CV Service Objects#catalogue catalogue service and the CV Component Objects#data_data store _ controller.

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solid title Data Publishing Subsystem - concept mapping
Image Modified Notation of Computational Viewpoint Models#notation_cv_objects

Publishing Data and Metadata

The  CV Presentation Objects#virtual_virtual laboratory facilitates the actives which support publishing data and metadata: (1) reviewing the data to be published, (2) publishing data, and (3) publishing metadata. The  CV Broker Objects#data_data broker will facilitate updating the data and metadata catalogues to stablish that the data has been reviewed, as well as storing the new links that make data and metadata publicly accessible. These actions are performed by invoking the appropriate CV Service Objects#catalogue  catalogue service and the  CV Component Objects#data_data store _ controller.