Field Categories

Field categories organize the YouTube Core Dataset’s 40+ fields into logical groupings for easier understanding and implementation.

Channel Fields

Channel-level metadata and statistics from YouTube.

Field	Type	Description
channel_id	UUID	Primary Key - Immutable Babbl Labs internal unique identifier
channel_uri	UUID	Immutable YouTube’s unique identifier for channel
channel_custom_url	STRING	Mutable custom URL for channel
channel_name	STRING	Channel title from YouTube metadata
channel_description	STRING	Channel description from YouTube metadata
channel_locale	ENUM	Channel geographic country (ISO 3166-1 alpha-2)
channel_view_count	INT	Most recent channel total view count
channel_subscriber_count	INT	Most recent channel total subscriber count
channel_video_count	INT	Most recent channel total video count
channel_published_at	TIMESTAMP	Timestamp when channel was created
channel_coverage_initiated_at	TIMESTAMP	Timestamp when we initiated coverage
channel_last_updated_at	TIMESTAMP	Timestamp when we last polled YouTube metadata

Video Fields

Video-level metadata and engagement metrics from YouTube.

Field	Type	Description
video_id	UUID	Primary Key - Unique YouTube video identifier
video_view_count	INT	Most recent view count recorded
video_like_count	INT	Most recent video like count recorded
video_comment_count	INT	Most recent video comment count recorded
video_published_dt	TIMESTAMP	Timestamp when video was originally published
video_transcribed_at	TIMESTAMP	Timestamp when we originally transcribed video
video_scored_at	TIMESTAMP	Timestamp when we originally processed video
video_last_updated_at	TIMESTAMP	Timestamp when we last polled YouTube metadata
video_title	STRING	Video title from YouTube metadata
video_description	STRING	Video description from YouTube metadata
video_language	STRING	Video language code (ISO 639-1)

Processing Fields

Model and processing metadata for transcription and analysis.

Field	Type	Description
model_transcription_tag	STRING	Identifier for transcription model used
model_scoring_tag	STRING	Identifier for scoring model used

Segment Fields

Transcript segment timing and content information.

Field	Type	Description
segment_start	FLOAT	Starting point of segment - seconds from start of video
segment_end	FLOAT	End point of segment - seconds from start of video
segment_text	STRING	Transcribed text (50 words before/after entity mention)

Speaker Fields

Speaker identification and context information.

Field	Type	Description
speaker_name	STRING	Name of speaker in this segment
speaker_associated_entity	UUID	Entity (company) speaker is associated with (FIGI)
speaker_position	STRING	Known title of speaker in this segment
speaker_role_context	ENUM	Role of speaker (Host, Guest, ReferencedSource, Other)

Entity Fields

Named entity recognition and financial instrument mapping.

Field	Type	Description
entity_id	UUID	Immutable identifier of entity referenced
entity_symbol	STRING	Public company ticker symbol (ORG entities only)
entity_figi_id	UUID	Financial Instrument Global Identifier (FIGI)
entity_type	ENUM	Type of entity (ORG, PERSON, PRODUCT)
entity_name	STRING	Mapped entity name from raw anchor
entity_name_raw_anchor	STRING	Raw string of named entity detected

Sentiment Fields

Multi-layered sentiment analysis for entity mentions.

Field	Type	Description
entity_sentiment_overt_buy_sell	ENUM	Overt buy/sell sentiment (POSITIVE, NEGATIVE, NONE_EXPRESSED, NULL)
entity_sentiment_generic	ENUM	General sentiment (POSITIVE, NEGATIVE, NONE_EXPRESSED, NEUTRAL)

Data Types & Constraints

Type	Format	Example
UUID	36-character identifier	550e8400-e29b-41d4-a716-446655440000
STRING	Variable-length text	"Bloomberg Technology"
INT	Integer number	12906
FLOAT	Floating-point number	168.7303438
TIMESTAMP	UTC timestamp	1747251178
ENUM	Predefined values	POSITIVE, NEGATIVE, NEUTRAL

All timestamp fields use UTC timezone. Geographic codes follow ISO 3166-1 alpha-2, language codes follow ISO 639-1.