ISO AggregationInformation

From NGDC Wiki
Jump to: navigation, search
MD_AggregateInformation Object
The ISO AggregateInformation object provides a powerful mechanism for grouping multiple metadata records into sets based on a number of relationships described by the AssociationType and InitiativeTypeCodes. Note that the sets are identified by MD_Identifiers which suggests that they could have metadata records of their own.


Aggregation Example
Scientific Earth Drilling Information Service: This metadata for a core from an ocean drill hole includes a section called "Relations" which provides access to groups of information from a single hole or to groups of holes from a single expedition.

XML Examples

International Ocean Drilling Program (IODP)

See examples at

Using aggregateInfo for Programs/Projects

Many datasets are collected as part of projects or programs. The aggregateInfo object allows you to identify those. They can be identified as largerWorkCitations or crossReferences.