Triple

T21951550
Position Surface form Disambiguated ID Type / Status
Subject Metro-Cammell E542081 entity
Predicate notableWork P4 FINISHED
Object 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.
 E1552093 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 313 | Statement: [Metro-Cammell, notableWork, British Rail Class 313]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 313
Context triple: [Metro-Cammell, notableWork, British Rail Class 313]
  • A. British Rail Class 317
    The British Rail Class 317 is a type of electric multiple unit train introduced in the early 1980s for commuter services in and around London and the East of England.
  • B. British Rail Class 319
    The British Rail Class 319 is a dual-voltage electric multiple unit train introduced in the late 1980s for cross-London services, notably on the Thameslink route.
  • C. 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.
  • 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 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the late 1980s for commuter and regional services in the UK, widely used in East Anglia and other routes before being superseded by newer fleets.
  • 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 313
Triple: [Metro-Cammell, notableWork, British Rail Class 313]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07 
Target entity: British Rail Class 313
Target entity description: 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.
  • A. British Rail Class 317
    The British Rail Class 317 is a type of electric multiple unit train introduced in the early 1980s for commuter services in and around London and the East of England.
  • B. British Rail Class 319
    The British Rail Class 319 is a dual-voltage electric multiple unit train introduced in the late 1980s for cross-London services, notably on the Thameslink route.
  • C. 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.
  • 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 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.
  • 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_6a0b8fabf9fc81909cb79b5caa7d5312 completed May 18, 2026, 10:16 p.m.
NEDg Description generation batch_6a0b90cfe3108190bbf69c9a6041399e completed May 18, 2026, 10:21 p.m.
NED2 Entity disambiguation (via description) batch_6a0b9163f1b481908cc4091b389bced4 completed May 18, 2026, 10:23 p.m.
Created at: April 16, 2026, 7:58 p.m.