Triple

T12076453
Position Surface form Disambiguated ID Type / Status
Subject Bombardier BiLevel Coach E287560 entity
Predicate operator P179 FINISHED
Object Sound Transit Sounder
Sound Transit Sounder is a commuter rail service in the Seattle metropolitan area that connects surrounding communities with downtown Seattle using bi-level passenger coaches.
E964553 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: Sound Transit Sounder | Statement: [Bombardier BiLevel Coach, operator, Sound Transit Sounder]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Sound Transit Sounder
Context triple: [Bombardier BiLevel Coach, operator, Sound Transit Sounder]
  • A. Downtown Train
    "Downtown Train" is a popular rock ballad best known from Rod Stewart’s hit 1989 cover of Tom Waits’ original song.
  • B. This Train
    "This Train" is a traditional American gospel song popularized by Sister Rosetta Tharpe, celebrated for its driving rhythm and moralistic lyrics about a righteous journey to salvation.
  • C. This Train
    "This Train" is a song by reggae artist International Herb, likely reflecting his roots-influenced style and themes.
  • D. Sleep Train
    Sleep Train is a former American mattress retail chain known for its extensive network of bedding stores, particularly in the western United States.
  • E. Go By Train
    "Go By Train" is the iconic neon-lit slogan displayed atop Portland Union Station that promotes rail travel and has become a recognizable symbol of the city.
  • 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: Sound Transit Sounder
Triple: [Bombardier BiLevel Coach, operator, Sound Transit Sounder]
Generated description
Sound Transit Sounder is a commuter rail service in the Seattle metropolitan area that connects surrounding communities with downtown Seattle using bi-level passenger coaches.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Sound Transit Sounder
Target entity description: Sound Transit Sounder is a commuter rail service in the Seattle metropolitan area that connects surrounding communities with downtown Seattle using bi-level passenger coaches.
  • A. Downtown Train
    "Downtown Train" is a popular rock ballad best known from Rod Stewart’s hit 1989 cover of Tom Waits’ original song.
  • B. This Train
    "This Train" is a traditional American gospel song popularized by Sister Rosetta Tharpe, celebrated for its driving rhythm and moralistic lyrics about a righteous journey to salvation.
  • C. This Train
    "This Train" is a song by reggae artist International Herb, likely reflecting his roots-influenced style and themes.
  • D. Sleep Train
    Sleep Train is a former American mattress retail chain known for its extensive network of bedding stores, particularly in the western United States.
  • E. Go By Train
    "Go By Train" is the iconic neon-lit slogan displayed atop Portland Union Station that promotes rail travel and has become a recognizable symbol of the city.
  • 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_69d6ab4846e081908ee7bbd66a6d3459 completed April 8, 2026, 7:23 p.m.
NER Named-entity recognition batch_69d9045ceeec81909427cae8972eed26 completed April 10, 2026, 2:08 p.m.
NED1 Entity disambiguation (via context triple) batch_69f5f660f48881908d50bf27b0892953 completed May 2, 2026, 1:04 p.m.
NEDg Description generation batch_69f5ff815b748190932bfe163ea2847d completed May 2, 2026, 1:43 p.m.
NED2 Entity disambiguation (via description) batch_69f6018b4088819092b8b97089068fae completed May 2, 2026, 1:52 p.m.
Created at: April 8, 2026, 9:48 p.m.