Select a term to navigate ontology


Ontology file last updated 4 March 2016

  • Selected term appears in yellow
  • Green circles are concepts
  • Green squares are data concepts
  • Blue squares are data items
  • Arrows point to broader concepts

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Select items that fall under your selected term in the ontology using the checkboxes on the left. Compare their metadata on the right.

Selected term:


                      


Query the ontology network


  • Inferred data map - shows the path between two or more selected terms (requires two or more terms)
  • IDM with neighbors - shows the path between two or more selected terms as well as nodes that are adjacent to that path (requires two or more terms)
  • Frameworks map - shows the path from selected terms to the top level frameworks
  • Data map - shows concepts, data concepts, and data items that fall under the selected terms as well as terms that directly broader than selected term

Ontology concepts

A concept is an abstract idea that cannot be measured directly without further specificity an empirical property of that idea. For example, 'rain' is a concept but cannot be directly measured without specifying a property such as amount, rate, or duration which can be measured.

Columns in this table

  • dataItemCount - The number of data items that are “under” a concept in the ontology. In the graph structure this is the number of data item nodes that have finite (i.e. defined) paths into a concept, where into means a skos:broader relationship.
  • dataConceptCount - The number of data concepts that are “under” a data concept in the ontology. In the graph structure this is the number of data concept nodes that have finite (i.e. defined) paths into a concept, where into means a skos:broader relationship.
  • HierarchyLevel - The number of links away from Framework. Highest level concepts have hierarchy level 2, e.g. Food System is under FEW Nexus Framework which is under Framework.

Ontology data concepts

A data concept is an empirical property of concept that can be measured.

Ontology data items

A data item is a measurement of an empirical property of a concept.

Concepts at the end of branches

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Data concepts at the end of branches

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