Triple

T19015498
Position Surface form Disambiguated ID Type / Status
Subject George Jackson Churchward E465336 entity
Predicate designed P184 FINISHED
Object GWR 2800 Class
The GWR 2800 Class was a series of heavy freight steam locomotives built for the Great Western Railway in the early 20th century, notable for being among the first British 2-8-0 designs specifically intended for hauling long-distance mineral trains.
E1360450 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 2800 Class | Statement: [George Jackson Churchward, designed, GWR 2800 Class]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: GWR 2800 Class
Context triple: [George Jackson Churchward, designed, GWR 2800 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 2221 County Tank Class
    The GWR 2221 County Tank Class was a class of Great Western Railway 4-4-2T steam locomotives used primarily for passenger services in the early 20th century.
  • D. 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.
  • E. GWR Castle class locomotives
    GWR Castle class locomotives were a celebrated class of Great Western Railway 4-6-0 steam engines renowned for their power, speed, and express passenger service performance in the mid-20th century UK rail network.
  • 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 2800 Class
Triple: [George Jackson Churchward, designed, GWR 2800 Class]
Generated description
The GWR 2800 Class was a series of heavy freight steam locomotives built for the Great Western Railway in the early 20th century, notable for being among the first British 2-8-0 designs specifically intended for hauling long-distance mineral trains.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: GWR 2800 Class
Target entity description: The GWR 2800 Class was a series of heavy freight steam locomotives built for the Great Western Railway in the early 20th century, notable for being among the first British 2-8-0 designs specifically intended for hauling long-distance mineral trains.
  • 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 2221 County Tank Class
    The GWR 2221 County Tank Class was a class of Great Western Railway 4-4-2T steam locomotives used primarily for passenger services in the early 20th century.
  • D. 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.
  • E. GWR Castle class locomotives
    GWR Castle class locomotives were a celebrated class of Great Western Railway 4-6-0 steam engines renowned for their power, speed, and express passenger service performance in the mid-20th century UK rail network.
  • 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_6a06f23d70fc81909f29eaf939e2144a completed May 15, 2026, 10:15 a.m.
NEDg Description generation batch_6a06f2b5c02c81909053e02939a19162 completed May 15, 2026, 10:17 a.m.
NED2 Entity disambiguation (via description) batch_6a06f318fdfc819091b4968731225139 completed May 15, 2026, 10:19 a.m.
Created at: April 10, 2026, 12:02 p.m.