Triple

T22814498
Position Surface form Disambiguated ID Type / Status
Subject Media Source Extensions E565064 entity
Predicate hasInterface P12981 FINISHED
Object SourceBufferList
SourceBufferList is a Web API interface in the Media Source Extensions specification that represents and manages the ordered collection of SourceBuffer objects associated with a MediaSource.
E1557287 NE FINISHED

How this triple was built (4 steps)

Every LLM step that produced this triple, in pipeline order — named-entity classification, the disambiguation choices (the exact options shown, with the pick highlighted), and the generated description. The batch + timestamp of each is in the Provenance table below.

NER Named-entity recognition gpt-5-mini
Instruction
Given a phrase, classify it is english named entity (e.g., persons, organizations, works of art) in Latin script, or not (e.g., literals, dates, URLs, verbose phrases). For disambiguation, the statement where the phrase occurs as object is also given. Please return a JSON object with `phrase` (string, the phrase being analyzed) and `is_ne` (boolean, indicating whether the phrase is a Named Entity).
Input
Phrase: SourceBufferList | Statement: [Media Source Extensions, hasInterface, SourceBufferList]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: SourceBufferList
Context triple: [Media Source Extensions, hasInterface, SourceBufferList]
  • A. SourceBuffer
    SourceBuffer is a Web API interface used in Media Source Extensions to manage and append media segments to a media stream for HTMLMediaElement playback.
  • B. MediaSource.addSourceBuffer()
    MediaSource.addSourceBuffer() is a JavaScript method that creates and returns a new SourceBuffer object for appending media segments to a MediaSource-backed HTMLMediaElement.
  • C. MediaSource
    MediaSource is a web API interface that enables JavaScript to generate and manage media streams for adaptive, buffer-based audio and video playback in browsers.
  • D. 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.
  • E. MediaElementAudioSourceNode
    MediaElementAudioSourceNode is a Web Audio API interface that lets you use the audio output of an HTML media element (like `<audio>` or `<video>`) as a source node in an audio processing graph.
  • F. None of above. chosen
  • G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg Description generation gpt-5.1
Instruction
Generate a one-sentence description of the target entity. 
You are given a context triple in the form (subject, predicate, object), where the object is the target entity. 
# Instructions
Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. 
Avoid repeating the information from the triple, unless really essential.
# Response Format
Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: SourceBufferList
Triple: [Media Source Extensions, hasInterface, SourceBufferList]
Generated description
SourceBufferList is a Web API interface in the Media Source Extensions specification that represents and manages the ordered collection of SourceBuffer objects associated with a MediaSource.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: SourceBufferList
Target entity description: SourceBufferList is a Web API interface in the Media Source Extensions specification that represents and manages the ordered collection of SourceBuffer objects associated with a MediaSource.
  • A. SourceBuffer
    SourceBuffer is a Web API interface used in Media Source Extensions to manage and append media segments to a media stream for HTMLMediaElement playback.
  • B. MediaSource.addSourceBuffer()
    MediaSource.addSourceBuffer() is a JavaScript method that creates and returns a new SourceBuffer object for appending media segments to a MediaSource-backed HTMLMediaElement.
  • C. MediaSource
    MediaSource is a web API interface that enables JavaScript to generate and manage media streams for adaptive, buffer-based audio and video playback in browsers.
  • D. 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.
  • E. MediaElementAudioSourceNode
    MediaElementAudioSourceNode is a Web Audio API interface that lets you use the audio output of an HTML media element (like `<audio>` or `<video>`) as a source node in an audio processing graph.
  • F. None of above. chosen

Provenance (5 batches)

The batch behind each pipeline step, in order, with when it ran. Timestamps are batch-level — stages were processed in waves, so the object chain (NER → NED1 → NEDg → NED2) reads in order, but predicate / elicitation batches can sit in a different wave.

Step Stage Batch ID Status When
creating Elicitation batch_69e2458426188190b58b8ab4844fe420 completed April 17, 2026, 2:36 p.m.
NER Named-entity recognition batch_69f17d62b0ec8190ac22909192e8a876 completed April 29, 2026, 3:39 a.m.
NED1 Entity disambiguation (via context triple) batch_6a0ba7a674908190a3d08c2c7210028e completed May 18, 2026, 11:58 p.m.
NEDg Description generation batch_6a0ba82b00648190887a3164ececc66d completed May 19, 2026, midnight
NED2 Entity disambiguation (via description) batch_6a0ba87ed5148190a96c0ea7e1cbb865 completed May 19, 2026, 12:02 a.m.
Created at: April 17, 2026, 3:33 p.m.