Triple

T19015497
Position Surface form Disambiguated ID Type / Status
Subject George Jackson Churchward E465336 entity
Predicate designed P184 FINISHED
Object GWR 4000 Star Class
The GWR 4000 Star Class was a pioneering class of early 20th-century British 4-6-0 steam locomotives for the Great Western Railway, noted for their power, speed, and influence on later express locomotive designs.
E1359215 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: GWR 4000 Star Class | Statement: [George Jackson Churchward, designed, GWR 4000 Star Class]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: GWR 4000 Star Class
Context triple: [George Jackson Churchward, designed, GWR 4000 Star Class]
  • A. GWR 2900 Saint Class
    The GWR 2900 Saint Class was a pioneering class of Great Western Railway 4-6-0 steam locomotives that strongly influenced subsequent British express passenger locomotive design.
  • B. GWR Hall Class
    The GWR Hall Class was a highly successful class of mixed-traffic 4-6-0 steam locomotives designed by Charles Collett for the Great Western Railway in the UK, renowned for their versatility and reliability.
  • C. GWR King class locomotives
    The GWR King class locomotives were powerful express passenger steam engines built for the Great Western Railway in the 1920s, renowned as some of the most capable and prestigious British steam locomotives of their era.
  • D. British Rail Class 57
    The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
  • E. British Rail Class 40
    The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
  • 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: GWR 4000 Star Class
Triple: [George Jackson Churchward, designed, GWR 4000 Star Class]
Generated description
The GWR 4000 Star Class was a pioneering class of early 20th-century British 4-6-0 steam locomotives for the Great Western Railway, noted for their power, speed, and influence on later express locomotive designs.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: GWR 4000 Star Class
Target entity description: The GWR 4000 Star Class was a pioneering class of early 20th-century British 4-6-0 steam locomotives for the Great Western Railway, noted for their power, speed, and influence on later express locomotive designs.
  • A. GWR 2900 Saint Class
    The GWR 2900 Saint Class was a pioneering class of Great Western Railway 4-6-0 steam locomotives that strongly influenced subsequent British express passenger locomotive design.
  • B. GWR Hall Class
    The GWR Hall Class was a highly successful class of mixed-traffic 4-6-0 steam locomotives designed by Charles Collett for the Great Western Railway in the UK, renowned for their versatility and reliability.
  • C. GWR King class locomotives
    The GWR King class locomotives were powerful express passenger steam engines built for the Great Western Railway in the 1920s, renowned as some of the most capable and prestigious British steam locomotives of their era.
  • D. British Rail Class 57
    The British Rail Class 57 is a rebuilt diesel-electric locomotive class for the UK rail network, created by re-engineering older locomotives with updated engines and systems to extend their service life and improve performance.
  • E. British Rail Class 40
    The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
  • 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_69d8dd025c188190a1d81f5b4ec7e2c6 completed April 10, 2026, 11:20 a.m.
NER Named-entity recognition batch_69e5d6d9f2a081908c0e923809da88e2 completed April 20, 2026, 7:33 a.m.
NED1 Entity disambiguation (via context triple) batch_6a05e65d17848190a766c7feed636a5f completed May 14, 2026, 3:12 p.m.
NEDg Description generation batch_6a05e87f0f80819082d124bd27f3755e completed May 14, 2026, 3:21 p.m.
NED2 Entity disambiguation (via description) batch_6a05e8cf25148190bbbe0c6474bc2d11 completed May 14, 2026, 3:22 p.m.
Created at: April 10, 2026, 12:02 p.m.