Triple

T11081101
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 50 E261993 entity
Predicate nicknamed P744 FINISHED
Object Hoovers
Hoovers are British Rail Class 50 diesel-electric locomotives, informally named for the distinctive vacuum-cleaner-like sound of their original cooling fans.
 E903758 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: Hoovers | Statement: [British Rail Class 50, nicknamed, Hoovers]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: Hoovers
Context triple: [British Rail Class 50, nicknamed, Hoovers]
  • A. Hoover
    Hoover is a suburban city in the Birmingham metropolitan area of central Alabama, known for its residential communities and shopping centers like the Riverchase Galleria.
  • B. Hoover
    Hoover is a surname most prominently associated with Herbert Hoover, the 31st president of the United States.
  • C. Otis
    Otis is a globally recognized manufacturer of elevators, escalators, and moving walkways, known for pioneering vertical transportation technologies.
  • D. Otis
    Otis is a small rural town in western Massachusetts known for its forests, lakes, and outdoor recreation.
  • E. Otis
    "Otis" is a hip-hop track by Jay-Z and Kanye West featuring a prominent Otis Redding sample, known for its celebratory tone and showcase of their lyrical chemistry.
  • 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: Hoovers
Triple: [British Rail Class 50, nicknamed, Hoovers]
Generated description
Hoovers are British Rail Class 50 diesel-electric locomotives, informally named for the distinctive vacuum-cleaner-like sound of their original cooling fans.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: Hoovers
Target entity description: Hoovers are British Rail Class 50 diesel-electric locomotives, informally named for the distinctive vacuum-cleaner-like sound of their original cooling fans.
  • A. Hoover
    Hoover is a surname most prominently associated with Herbert Hoover, the 31st president of the United States.
  • B. Hoover
    Hoover is a suburban city in the Birmingham metropolitan area of central Alabama, known for its residential communities and shopping centers like the Riverchase Galleria.
  • C. Otis
    Otis is a globally recognized manufacturer of elevators, escalators, and moving walkways, known for pioneering vertical transportation technologies.
  • D. Otis
    Otis is a small rural town in western Massachusetts known for its forests, lakes, and outdoor recreation.
  • E. Otis
    "Otis" is a hip-hop track by Jay-Z and Kanye West featuring a prominent Otis Redding sample, known for its celebratory tone and showcase of their lyrical chemistry.
  • 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_69d6aa9983c08190b0ef61603b69feac completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d79996d9408190b159d14b23c25ed1 completed April 9, 2026, 12:20 p.m.
NED1 Entity disambiguation (via context triple) batch_69e3e789d7248190a40de0bdda539f45 completed April 18, 2026, 8:20 p.m.
NEDg Description generation batch_69e3f2c889dc81909a04c1db0509e3d9 completed April 18, 2026, 9:08 p.m.
NED2 Entity disambiguation (via description) batch_69e3f4746dbc8190a0e28202ad5e6b4f completed April 18, 2026, 9:15 p.m.
Created at: April 8, 2026, 9:27 p.m.