A series of terms or concepts which are tightly defined and used uniformly within data to ensure common meaning. This applies to concepts such as named locations, taxa, users, organisations, spatial d [..]

Is the process of describing the origins of the data in terms of collection process, any limitations inherent in the data, and factors contributing to its interpretation and or quality.

  Data submitted to the ÆKOS system can be embargoed, meaning that access to the data via the portal is prohibited for a specified length of time (determined by the data submitter). Data embargoes are [..]

  Data is referred to as federated when it is restated from various diverse sources against a common ontology with values drawn from a controlled vocabulary

  A connected series of data components (or entities). All information and knowledge can be expressed as a network or graph of connected entities if required.

  Traits that are used in indexing.

A process of recording details extracted from data which allow browsing, searching and filtering of data without having to look inside the stored data itself.

  The process of applying additional linkages between data to define their relationships. Data from a single source are typically integrated already with explicitly relevant relationships defined. The [..]

The process of bringing data into the ÆKOS system which may involve the transfer of metadata, opaque data archives, or the assessment of content and creation of mapping to a federated data model to in [..]

In its simplest form, metadata is "data about data". For example, information on measurements used, protocols followed, datums referenced, etc...