Triple

T19015448
Position Surface form Disambiguated ID Type / Status
Subject Swindon Works E465335 entity
Predicate produced P490 FINISHED
Object 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.
E1355846 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 King class locomotives | Statement: [Swindon Works, produced, GWR King class locomotives]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: GWR King class locomotives
Context triple: [Swindon Works, produced, GWR King class locomotives]
  • A. 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.
  • 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. BR Standard Class steam locomotives
    BR Standard Class steam locomotives were a series of steam engines designed and built in the 1950s for British Railways to standardize and modernize its steam fleet in the final years before diesel and electric traction took over.
  • D. 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.
  • E. LMS Coronation Class
    The LMS Coronation Class was a fleet of powerful British express passenger steam locomotives built for the London, Midland and Scottish Railway in the 1930s, renowned for their streamlined design and high-speed performance.
  • 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 King class locomotives
Triple: [Swindon Works, produced, GWR King class locomotives]
Generated description
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.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: GWR King class locomotives
Target entity description: 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.
  • A. 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.
  • 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. BR Standard Class steam locomotives
    BR Standard Class steam locomotives were a series of steam engines designed and built in the 1950s for British Railways to standardize and modernize its steam fleet in the final years before diesel and electric traction took over.
  • D. 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.
  • E. LMS Coronation Class
    The LMS Coronation Class was a fleet of powerful British express passenger steam locomotives built for the London, Midland and Scottish Railway in the 1930s, renowned for their streamlined design and high-speed performance.
  • 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_6a05c54064688190a9b4a08d119f3265 completed May 14, 2026, 12:51 p.m.
NEDg Description generation batch_6a05c7d2be608190b1ddbdf2f01a45dd completed May 14, 2026, 1:02 p.m.
NED2 Entity disambiguation (via description) batch_6a05c85c15ac819085ce32b4018f1edf completed May 14, 2026, 1:04 p.m.
Created at: April 10, 2026, 12:02 p.m.