Triple

T1227366
Position Surface form Disambiguated ID Type / Status
Subject Derby railway works E26355 entity
Predicate hasPart P35 FINISHED
Object Railway Technical Centre
The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
E143329 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: Railway Technical Centre | Statement: [Derby railway works, hasPart, Railway Technical Centre]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: Railway Technical Centre
Context triple: [Derby railway works, hasPart, Railway Technical Centre]
  • A. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • B. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • C. Chiltern Railways
    Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
  • D. Horwich Works
    Horwich Works was a major railway locomotive construction and maintenance facility in Horwich, England, historically associated with the Lancashire and Yorkshire Railway.
  • E. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • 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: Railway Technical Centre
Triple: [Derby railway works, hasPart, Railway Technical Centre]
Generated description
The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: Railway Technical Centre
Target entity description: The Railway Technical Centre is a major British rail research and development facility in Derby that has historically served as the central hub for engineering, testing, and innovation for the UK railway industry.
  • A. British Rail Engineering Limited
    British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
  • B. Crewe Works
    Crewe Works is a historic railway engineering and manufacturing facility in Crewe, England, renowned for building and maintaining locomotives and rolling stock since the 19th century.
  • C. Chiltern Railways
    Chiltern Railways is a British train operating company providing passenger rail services primarily between London and the Midlands.
  • D. Horwich Works
    Horwich Works was a major railway locomotive construction and maintenance facility in Horwich, England, historically associated with the Lancashire and Yorkshire Railway.
  • E. British Rail
    British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
  • 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_69a49484688c8190a1bf285eb396a8b6 completed March 1, 2026, 7:33 p.m.
NER Named-entity recognition batch_69a4be3b32a08190a36e96a3e51976eb completed March 1, 2026, 10:31 p.m.
NED1 Entity disambiguation (via context triple) batch_69ac93bcdbbc8190a5eb1f4285faa8d4 completed March 7, 2026, 9:08 p.m.
NEDg Description generation batch_69ac9453f4488190a13ebabf3c8e07a5 completed March 7, 2026, 9:10 p.m.
NED2 Entity disambiguation (via description) batch_69ac952f74d48190b075919e0acd513d completed March 7, 2026, 9:14 p.m.
Created at: March 1, 2026, 7:47 p.m.