WebVTT
E856211
WebVTT is a web standard format for displaying timed text tracks such as subtitles and captions in HTML5 video.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Web Video Text Tracks | 2 |
| WebVTT canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T10329207 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: WebVTT Context triple: [Open Web Platform, hasComponent, WebVTT]
-
A.
MPEG-DASH
MPEG-DASH is an international standard for adaptive bitrate streaming of multimedia content over HTTP, enabling high-quality video delivery across varying network conditions and devices.
-
B.
IPTC Video Metadata Hub
IPTC Video Metadata Hub is a standardized metadata framework designed to consistently describe, manage, and exchange information about video content across different systems and workflows.
-
C.
TTS
TTS is a U.S. General Services Administration organization that helps federal agencies modernize their technology, improve digital services, and adopt innovative solutions.
-
D.
Living Videotext
Living Videotext was an early software company best known for developing pioneering outliner and scripting tools for personal computers in the 1980s.
-
E.
Shockwave Player
Shockwave Player is a browser plug-in developed by Adobe for playing multimedia content, interactive applications, and games created with Adobe Director.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: WebVTT Target entity description: WebVTT is a web standard format for displaying timed text tracks such as subtitles and captions in HTML5 video.
-
A.
MPEG-DASH
MPEG-DASH is an international standard for adaptive bitrate streaming of multimedia content over HTTP, enabling high-quality video delivery across varying network conditions and devices.
-
B.
IPTC Video Metadata Hub
IPTC Video Metadata Hub is a standardized metadata framework designed to consistently describe, manage, and exchange information about video content across different systems and workflows.
-
C.
TTS
TTS is a U.S. General Services Administration organization that helps federal agencies modernize their technology, improve digital services, and adopt innovative solutions.
-
D.
Living Videotext
Living Videotext was an early software company best known for developing pioneering outliner and scripting tools for personal computers in the 1980s.
-
E.
Shockwave Player
Shockwave Player is a browser plug-in developed by Adobe for playing multimedia content, interactive applications, and games created with Adobe Director.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
W3C web standard
ⓘ
caption file format ⓘ subtitle file format ⓘ timed text format ⓘ |
| abbreviationOf |
Web Video Text Tracks
ⓘ
linked to:
WebVTT
|
| basedOn | SRT subtitle format ⓘ |
| compatibleWith |
HTML track kind="captions"
ⓘ
HTML track kind="chapters" ⓘ HTML track kind="metadata" ⓘ HTML track kind="subtitles" ⓘ |
| designGoal |
accessibility support for video
ⓘ
human-readable text format ⓘ synchronization of text with media ⓘ |
| encoding | UTF-8 ⓘ |
| fileExtension | .vtt ⓘ |
| fullName |
Web Video Text Tracks
ⓘ
linked to:
WebVTT
|
| introducedFor | HTML5 track element ⓘ |
| mediaType | text/vtt ⓘ |
| relatedStandard |
SRT
ⓘ
TTML ⓘ |
| standardizedBy |
W3C Timed Text Working Group
ⓘ
World Wide Web Consortium ⓘ |
| supports |
cue alignment
ⓘ
cue line settings ⓘ cue positioning ⓘ cue settings ⓘ cue size settings ⓘ cue text formatting ⓘ language tags ⓘ metadata cues ⓘ regions ⓘ timestamps ⓘ voice tags ⓘ |
| syntaxFeature |
NOTE comments
ⓘ
REGION blocks ⓘ STYLE blocks ⓘ WEBVTT file header ⓘ cue identifier ⓘ cue payload text ⓘ end timestamp ⓘ start timestamp ⓘ |
| timeFormat | hours:minutes:seconds.milliseconds ⓘ |
| usedBy |
Vimeo
ⓘ
linked to:
Vimeo (historically, prior to spin-off)
YouTube ⓘ major web browsers ⓘ |
| usedFor |
captions
ⓘ
chapters ⓘ metadata tracks ⓘ subtitles ⓘ |
| usedIn |
HTML5 audio
ⓘ
HTML5 video ⓘ web browsers ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: WebVTT Description of subject: WebVTT is a web standard format for displaying timed text tracks such as subtitles and captions in HTML5 video.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: WebVTT