Triple

T10857096
Position Surface form Disambiguated ID Type / Status
Subject British Rail Class 37 E256295 entity
Predicate primeMover P19407 FINISHED
Object English Electric 12CSVT
The English Electric 12CSVT is a turbocharged 12-cylinder diesel engine widely used in British Rail locomotives, most notably the Class 37.
E889001 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: English Electric 12CSVT | Statement: [British Rail Class 37, primeMover, English Electric 12CSVT]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: English Electric 12CSVT
Context triple: [British Rail Class 37, primeMover, English Electric 12CSVT]
  • A. Perkins CV12-6A V12 diesel
    The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
  • B. Rolls-Royce CV12 TCA diesel
    The Rolls-Royce CV12 TCA diesel is a British 12-cylinder turbocharged diesel engine developed for use in main battle tanks and other heavy armored vehicles.
  • C. Rolls-Royce Viper
    The Rolls-Royce Viper is a compact British turbojet engine widely used in military trainer and light attack aircraft from the mid-20th century.
  • D. Rolls-Royce Kestrel V12 engine
    The Rolls-Royce Kestrel V12 engine is a British liquid-cooled aircraft piston engine of the interwar period, widely used in RAF fighters and other military aircraft as an important step in Rolls-Royce’s development of high-performance aero engines.
  • E. Bentley W12 petrol engine
    The Bentley W12 petrol engine is a powerful twin-turbocharged 12-cylinder engine renowned for delivering exceptionally smooth, high-performance propulsion in Bentley’s flagship grand tourers.
  • 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: English Electric 12CSVT
Triple: [British Rail Class 37, primeMover, English Electric 12CSVT]
Generated description
The English Electric 12CSVT is a turbocharged 12-cylinder diesel engine widely used in British Rail locomotives, most notably the Class 37.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: English Electric 12CSVT
Target entity description: The English Electric 12CSVT is a turbocharged 12-cylinder diesel engine widely used in British Rail locomotives, most notably the Class 37.
  • A. Perkins CV12-6A V12 diesel
    The Perkins CV12-6A is a 12-cylinder turbocharged diesel engine used as the powerplant for the British Challenger 2 main battle tank.
  • B. Rolls-Royce CV12 TCA diesel
    The Rolls-Royce CV12 TCA diesel is a British 12-cylinder turbocharged diesel engine developed for use in main battle tanks and other heavy armored vehicles.
  • C. Rolls-Royce Viper
    The Rolls-Royce Viper is a compact British turbojet engine widely used in military trainer and light attack aircraft from the mid-20th century.
  • D. Rolls-Royce Kestrel V12 engine
    The Rolls-Royce Kestrel V12 engine is a British liquid-cooled aircraft piston engine of the interwar period, widely used in RAF fighters and other military aircraft as an important step in Rolls-Royce’s development of high-performance aero engines.
  • E. Bentley W12 petrol engine
    The Bentley W12 petrol engine is a powerful twin-turbocharged 12-cylinder engine renowned for delivering exceptionally smooth, high-performance propulsion in Bentley’s flagship grand tourers.
  • 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_69d6aa83d1448190a66d93c32394d21f completed April 8, 2026, 7:20 p.m.
NER Named-entity recognition batch_69d7513695ac8190b5812e977a422c37 completed April 9, 2026, 7:11 a.m.
NED1 Entity disambiguation (via context triple) batch_69deb197808c8190b1c80aeb2144a909 completed April 14, 2026, 9:28 p.m.
NEDg Description generation batch_69dec25660dc8190a4444a1099e7e40c completed April 14, 2026, 10:40 p.m.
NED2 Entity disambiguation (via description) batch_69dec7cdcd988190bb6508838bea48de completed April 14, 2026, 11:03 p.m.
Created at: April 8, 2026, 9:20 p.m.