Triple

T21951558
Position Surface form Disambiguated ID Type / Status
Subject Metro-Cammell E542081 entity
Predicate notableWork P4 FINISHED
Object British Rail Class 322
The British Rail Class 322 is a type of electric multiple unit train built in the late 1980s for British Rail, primarily used on commuter and airport services in the United Kingdom.
 E1565629 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: British Rail Class 322 | Statement: [Metro-Cammell, notableWork, British Rail Class 322]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 322
Context triple: [Metro-Cammell, notableWork, British Rail Class 322]
  • A. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • B. British Rail Class 321
    The British Rail Class 321 is a type of electric multiple unit train introduced in the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
  • C. British Rail Class 332
    The British Rail Class 332 is an electric multiple unit train type built in the late 1990s specifically for high-speed, premium passenger services between London Paddington and Heathrow Airport.
  • D. British Rail Class 312
    The British Rail Class 312 was a type of electric multiple unit introduced in the 1970s for outer-suburban and commuter services on the British railway network, particularly in the Eastern Region.
  • E. British Rail Class 313
    The British Rail Class 313 is a type of dual-voltage electric multiple unit train introduced in the 1970s for suburban and commuter services in the United Kingdom.
  • 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: British Rail Class 322
Triple: [Metro-Cammell, notableWork, British Rail Class 322]
Generated description
The British Rail Class 322 is a type of electric multiple unit train built in the late 1980s for British Rail, primarily used on commuter and airport services in the United Kingdom.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 322
Target entity description: The British Rail Class 322 is a type of electric multiple unit train built in the late 1980s for British Rail, primarily used on commuter and airport services in the United Kingdom.
  • A. British Rail Class 323
    The British Rail Class 323 is a type of electric multiple unit train widely used on suburban and commuter rail services in the West Midlands and North West England.
  • B. British Rail Class 321
    The British Rail Class 321 is a type of electric multiple unit train introduced in the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
  • C. British Rail Class 332
    The British Rail Class 332 is an electric multiple unit train type built in the late 1990s specifically for high-speed, premium passenger services between London Paddington and Heathrow Airport.
  • D. British Rail Class 312
    The British Rail Class 312 was a type of electric multiple unit introduced in the 1970s for outer-suburban and commuter services on the British railway network, particularly in the Eastern Region.
  • E. British Rail Class 313
    The British Rail Class 313 is a type of dual-voltage electric multiple unit train introduced in the 1970s for suburban and commuter services in the United Kingdom.
  • 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_69e0c47ef0e48190a50e1bcc43f4b3fd completed April 16, 2026, 11:14 a.m.
NER Named-entity recognition batch_69f1243c84d4819097f5a93b128f024b completed April 28, 2026, 9:18 p.m.
NED1 Entity disambiguation (via context triple) batch_6a0bd3574a7c81909c3695d0efe5ee07 completed May 19, 2026, 3:04 a.m.
NEDg Description generation batch_6a0bda47b504819094ddcd90b5b88af3 completed May 19, 2026, 3:34 a.m.
NED2 Entity disambiguation (via description) batch_6a0bdae9b2148190a9f02f44ac47feee completed May 19, 2026, 3:37 a.m.
Created at: April 16, 2026, 7:58 p.m.