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Resource Classes

Collections

The BTAA Geoportal interprets the Resource Class, Collections, as top-level, custom groupings. These reflect our curation activities and priorities.

Other records are linked to Collections using the Member Of field. The ID of the parent record is added to the child record only. View all of the current Collections in the geoportal at this link: https://geo.btaa.org/?f%5Bgbl_resourceClass_sm%5D%5B%5D=Collections


Websites

The BTAA Geoportal uses the Resource Class, Websites, to create parent records for data portals, digital libraries, dashboards, and interactive maps. These often start off as standalone records. Once the items in a website have been indexed, they will have child records.

Individual Datasets, Maps, or Web services are linked to the Website they came from using the Is Part Of field. The ID of the parent record is added to the child record only.

View all of the current Websites in the geoportal at this link: https://geo.btaa.org/?f%5Bgbl_resourceClass_sm%5D%5B%5D=Websites


Datasets, Maps, and Web services

The items in this Resource Class represent individual data layers, scanned map files, and/or geospatial web services. (Some items may have multiple Resource Classes attached to the same record.)

This item class is likely to have the most relationships specified in the metadata. A typical Datasets record might have the following:

  1. Member Of a Collections record
  2. Is Part Of a Websites record
  3. If the data was digitized from a paper map in the geoportal, it can be linked to the Maps record via the Source relation
  4. a general Relation to a research guide or similar dataset

Multipart Items

Many items in the geoportal are multipart. There may be individual pages from an atlas, sublayers from a larger project, or datasets broken up into more than one download. In these cases, the Is Part Of field is used.

As a result, these items may have multiple Is Part Of relationships- (1) the parent for the multipart items and (2) the original website.


Last update: August 23, 2022