Reserved metadata fields that you can use to query your Data Rows.

You can upload metadata to Data Rows to centralize my storage of ML data and to help power analytics, search, and data selection on the platform.

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Note

Importing metadata via JSON is not yet supported. See this guide to learn how to attach metadata to existing Data Rows.

Data types

Name

Notes

Filters

Embedding

Used for similarity. A float vector of length 128

Similarity

String

Free text field

Equals & prefix matching

Enum

Enum with options

Option (Enum)

Option of an enum

Equals

DateTime

An ISO 8601 datetime field. All times must be in UTC timezone

Equals, greater than, less than, between

Number

Integer or Float

Equals, greater than, less than, between

Reserved fields

Parameter

Type

Description

tag

string

A free-text field.

split

enum

Indicates whether the Data Row is part of a training, validation, or testing dataset. The reserved values are valid, train & test.

captureDateTime

datetime

ISO-8601 datetime field. All times must be in UTC.

embedding

float

A list of 128 32-bit floats used for similarity search. Labelbox will round each of the 128 items in the list to 32-bit floats.