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B1G Custom Fields

Field LabelAccess
Field Nameb1g_access_s
PurposeLinks for accessing restricted resources
Entry GuidelinesUse the Licensed Data tab in the GeoBTAA Template. It has three columns: friendlier_id, institution_code, and access_URL. friendlier_id is the ID of the parent record. institution_code is a dropdown value for a BTAA institution. access_URL is the URL for the institution’s library catalog record for the database.
Example Valuehttps://search.lib.umich.edu/databases/record/39117
Controlled Vocabulary?FALSE
Vocabulary Listhttps://docs.google.com/spreadsheets/d/1g7TFqjYQ2KEShhocI0stINnI1cYDoMpoFgD8yWA6tbM/edit?gid=1084902039#gid=1084902039
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryThis field is entered via a secondary spreadsheet and is serialized in output metadata as a JSON object (institution codes → URLs). Codes are used instead of full institution names to reduce field length and avoid spaces. Catalog records provide stable landing pages; users typically authenticate through their institution.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#access
Field LabelAccrual Method
Field Nameb1g_dct_accrualMethod_s
PurposeMethod used to obtain the metadata
Entry GuidelinesSelect one controlled value that reflects how the metadata record was created or obtained.
Example ValueManual curation
Controlled Vocabulary?TRUE
Vocabulary ListAutomated retrieval; Mediated deposit; Manual curation
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryFor programmatically harvested records, child records inherit this value from their parent source (e.g., a website). Parent records should reflect the method used to create or acquire the source-level metadata.
Namespace sourceDCMI
Definition URIhttps://gin.btaa.org/metadata/b1g/#accrual-method
Field LabelAccrual Periodicity
Field Nameb1g_dct_accrualPeriodicity_s
PurposeFrequency at which a website is harvested
Entry GuidelinesSelect one controlled value that best represents how often the resource should be reviewed or reharvested.
Example ValueQuarterly
Controlled Vocabulary?TRUE
Vocabulary Listhttps://www.dublincore.org/specifications/dublin-core/collection-description/frequency/
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryUsed to prioritize automated review and harvest workflows. When possible, prefer time-based values (e.g., “Annual”) over vague values (e.g., “As Needed”) to support regular validation.
Namespace sourceDCMI
Definition URIhttps://gin.btaa.org/metadata/b1g/#accrual-periodicity
Field LabelAdmin Notes
Field Nameb1g_adminNote_sm
PurposeInternal notes about status, issues, or enrichment
Entry GuidelinesEnter plain text as needed to support processing and tracking.
Example ValueMetadata enriched on 2025-10-01. Do not overwrite.
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryInternal-only field for notes about issues, processing decisions, enrichment work, and other record-management context.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#admin-note
Field LabelB1G Image
Field Nameb1g_image_ss
PurposeThumbnail displayed in search results
Entry GuidelinesEnter a secure (https) URL to an image file. Acceptable file types: JPEG or PNG.
Example Valuehttps://media.licdn.com/dms/image/C4E0BAQE10eK4JOVezg/company-logo_200_200/0?e=2159024400&v=beta&t=n-8vqGyWpJW—9v2NxOUwQ3UmPRWLQz36fj-XwEsPYY
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryCan be populated programmatically by harvesting thumbnail URLs.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#image
Field LabelCode
Field Nameb1g_code_s
PurposeInternal grouping or tracking code
Entry GuidelinesDo not enter manually. This value is assigned by GIN staff.
Example Value05a-01
Controlled Vocabulary?TRUE
Vocabulary Listhttps://gin.btaa.org/metadata/codeNamingSchema/
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryCodes support internal tracking and sharable links for groups of records. They encode the provider, hosting type, and a sequence number. Avoid changing codes so existing links continue to work.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#code
Field LabelCoordinate Reference System
Field Nameb1g_dct_conformsTo_sm
PurposeCoordinate reference system of the resource
Entry GuidelinesEnter a resolvable URI (URL) for the coordinate reference system from a known registry.
Example Valuehttps://epsg.io/26915
Controlled Vocabulary?TRUE
Vocabulary Listhttps://epsg.io
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryWe link to CRS definitions rather than encoding them directly in the record (as some geospatial standards do). Prefer EPSG (epsg.io), but other reputable registries are acceptable when EPSG does not provide the CRS.
Namespace sourceDCMI
Definition URIhttps://gin.btaa.org/metadata/b1g/#conforms-to
Field LabelCreator ID
Field Nameb1g_creatorID_sm
PurposeURI identifying the creator (OCLC FAST)
Entry GuidelinesEnter a URI for an authority record from OCLC FAST (use the WorldCat FAST URL).
Example Valuehttp://id.worldcat.org/fast/549575
Controlled Vocabulary?TRUE
Vocabulary Listhttps://fast.oclc.org/searchfast/
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryMay support linked-data use cases in the future. Currently useful for identifying which Creator values have FAST authority records and normalizing them to a consistent source.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#creator-id
Field LabelDate Accessioned
Field Nameb1g_dateAccessioned_dt
PurposeDate the record was added
Entry GuidelinesEnter the date the record was harvested or added to the geoportal, in yyyy-mm-dd format.
Example Value2025-01-01
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeDate
Multivalued?FALSE
Required?FALSE
CommentaryIndicates when this record was added. It applies to the record itself and does not automatically apply to related records (e.g., child records).
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#date-accessioned
Field LabelDate Retired
Field Nameb1g_dateRetired_dt
PurposeDate the record was removed or unpublished
Entry GuidelinesEnter the date the record was removed/unpublished, in yyyy-mm-dd format.
Example Value2025-12-15
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeDate
Multivalued?FALSE
Required?FALSE
CommentaryIndicates when a record was unpublished. Records are typically retained (not deleted) for analytics and auditing. In some cases, records may reappear at the source and be republished later.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#date-retired
Field LabelDeprioritize
Field Nameb1g_deprioritized_b
PurposeFlag that lowers a record’s ranking in search results
Entry GuidelinesEnter true or false.
Example Valuetrue
Controlled Vocabulary?TRUE
Vocabulary ListTrue; False
Field TypeBoolean
Multivalued?FALSE
Required?FALSE
CommentaryUse to lower a record’s ranking in search results. Note: there is no corresponding “prioritize” flag.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#child-record
Field LabelEndpoint Description
Field Nameb1g_dcat_endpointDescription_s
PurposeType of API or link used to access the resource
Entry GuidelinesUse an existing standardized value when possible. Enter “downloads page” for static web pages that provide downloads but no API or other programmatic access point.
Example ValueDCAT API
Controlled Vocabulary?TRUE
Vocabulary ListTBD
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryDescribes the functionality/behavior of the access or handoff point. For programmatically harvested records, child records inherit this value from their parent source entity (e.g., a website).
Namespace sourceDCAT
Definition URIhttps://gin.btaa.org/metadata/b1g/#endpoint-description
Field LabelEndpoint URL
Field Nameb1g_dcat_endpointURL_s
PurposeURL from which the resource was harvested
Entry GuidelinesEnter the full URL of the API endpoint, metadata feed, landing page, or query used to harvest the resource.
Example Valuehttps://opendata.minneapolismn.gov/api/feed/dcat-us/1.1.json
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryMetadata feed URLs often end in .json. For programmatically harvested records, child records may inherit this value from their parent source entity.
Namespace sourceDCAT
Definition URIhttps://gin.btaa.org/metadata/b1g/##endpoint-url
Field LabelGeoNames
Field Nameb1g_geonames_sm
PurposeURI for a place name from the GeoNames database
Entry GuidelinesEnter a GeoNames Semantic Web Service URI in the form http://sws.geonames.org//.
Example Valuehttp://sws.geonames.org/2988507
Controlled Vocabulary?TRUE
Vocabulary Listhttps://www.geonames.org
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryMay support linked-data use cases in the future.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#geonames
Field LabelHarvest Workflow
Field Nameb1g_harvestWorkflow_s
PurposeWorkflow that produced the record
Entry GuidelinesEnter the code/name for the corresponding harvest workflow used to generate the record.
Example Valuepy_arcgis_hub
Controlled Vocabulary?TRUE
Vocabulary Listhttps://gin.btaa.org/metadata/harvest-workflows
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryFor programmatically harvested records, child records inherit this value from their parent source entity (e.g., a website).
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#harvest-workflow
Field LabelIs Harvested
Field Nameb1g_isHarvested_b
PurposeWhether the website is actively harvested
Entry GuidelinesEnter true or false.
Example Valuetrue
Controlled Vocabulary?TRUE
Vocabulary ListTrue; False
Field TypeBoolean
Multivalued?FALSE
Required?FALSE
CommentaryUse for source-level records (websites/platforms) to indicate whether harvesting is active.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#is-harvested
Field LabelLanguage String
Field Nameb1g_language_sm
PurposeHuman-readable language label
Entry GuidelinesDo not enter manually.
Example Valueeng
Controlled Vocabulary?TRUE
Vocabulary Listhttps://www.loc.gov/standards/iso639-2/php/code_list.php
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryAutomatically populated based on the Language code.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#language-string
Field LabelLast Harvested
Field Nameb1g_lastHarvested_dt
PurposeDate the website was last harvested
Entry GuidelinesEnter a date in yyyy-mm-dd format.
Example Value2025-01-01
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeDate
Multivalued?FALSE
Required?FALSE
CommentaryIntended for website/source records to track lifecycle and harvest schedules. Do not use for standalone item records without child records.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#last-harvested
Field LabelLocal Collection
Field Nameb1g_localCollectionLabel_sm
PurposeSubcollection defined by the Publisher or Provider
Entry GuidelinesEnter plain text.
Example ValueCoastal
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryRepresents source-defined groupings/collections. In the UI it displays as a clickable facet value rather than as a structured relationship (e.g., Is Part Of).
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#local-collection
Field LabelMediator
Field Nameb1g_dct_mediator_sm
PurposeInstitutions that provide authentication for licensed resources
Entry GuidelinesEnter the full BTAA institution name as listed on the Institutions page.
Example ValueUniversity of Minneapolis
Controlled Vocabulary?TRUE
Vocabulary Listhttps://gin.btaa.org/team/institutions/
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryUsed as a facet so users can filter to licensed resources accessible via their institution. Stored as plain text.
Namespace sourceDCMI
Definition URIhttps://gin.btaa.org/metadata/b1g/#mediator
Field LabelProvenance
Field Nameb1g_dct_provenance_sm
PurposePlain-language summary of how the record was obtained
Entry GuidelinesEnter complete sentences describing when, where, and how the record was obtained. Values may be entered manually or generated programmatically.
Example ValueThe metadata for this resource was last retrieved from U.S. Fish and Wildlife Service Open Data on 2025-08-24.
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryThis is the only provenance-related field visible to end users. It should summarize the information in other provenance fields in plain language.
Namespace sourceDCMI
Definition URIhttps://gin.btaa.org/metadata/b1g/#provenance-statement
Field LabelPublication State
Field Nameb1g_publication_state_s
PurposeWhether the record is visible in the geoportal
Entry GuidelinesEnter one of the three allowed values.
Example Valuedraft
Controlled Vocabulary?TRUE
Vocabulary Listdraft; published; unpublished
Field TypeString
Multivalued?FALSE
Required?TRUE
CommentaryControls whether users can discover the record in the geoportal (search and relationship browsing). Regardless of state, the direct link to the resource will be accessible.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#publication-state
Field LabelSpatial Resolution as Text
Field Nameb1g_dcat_spatialResolutionInMeters_s
PurposeHuman-readable description of spatial resolution
Entry GuidelinesEnter a scale, distance, or other descriptive free text.
Example ValueScale [1:1,140,480]
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryAnalogous to scale for map records; may also convey recommended resolution for GIS datasets.
Namespace sourceDCAT
Definition URIhttps://gin.btaa.org/metadata/b1g/#spatial-resolution-as-text
Field LabelSpatial Resolution in Meters
Field Nameb1g_dcat_spatialResolutionInMeters_sm
PurposeNumeric spatial resolution of a raster dataset
Entry GuidelinesEnter a numeric resolution in meters.
Example Value100
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryIntended for raster datasets only.
Namespace sourceDCAT
Definition URIhttps://gin.btaa.org/metadata/b1g/#spatial-resolution-in-meters
Field LabelTags
Field Nameb1g_adminTags_sm
PurposeAdministrative keywords for internal tracking
Entry GuidelinesUse tags only for internal categories.
Example Value2022-creator-sprint
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeArray of strings
Multivalued?TRUE
Required?FALSE
CommentaryInternal searchable tags for workflow tracking (e.g., cleanup sprints, batch updates).
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#admin-tags
Field LabelWebsite Platform
Field Nameb1g_websitePlatform_s
PurposeTechnology platform used by the website
Entry GuidelinesUse a standardized platform value when possible. If unclear, use “custom data portal” or “other”.
Example ValueArcGIS Hub
Controlled Vocabulary?FALSE
Vocabulary List
Field TypeString
Multivalued?FALSE
Required?FALSE
CommentaryHelps characterize the technology landscape across sources and supports selection of appropriate harvesting workflows.
Namespace sourceLocal
Definition URIhttps://gin.btaa.org/metadata/b1g/#website-platform