Triple

T6370372
Position Surface form Disambiguated ID Type / Status
Subject Railway Technical Centre E143329 entity
Predicate hasPart P35 FINISHED
Object British Rail Research laboratories
The British Rail Research laboratories were a major UK railway research facility known for pioneering work in rail technology, safety, and high-speed train development.
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: British Rail Research laboratories | Statement: [Railway Technical Centre, hasPart, British Rail Research laboratories]
NED1 Entity disambiguation (via context triple) gpt-5-mini-2025-08-07
Target entity: British Rail Research laboratories
Context triple: [Railway Technical Centre, hasPart, British Rail Research laboratories]
  • 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. 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.
  • C. Transport Research Laboratory
    Transport Research Laboratory is a leading UK-based center for transport and mobility research, providing evidence-based analysis and consultancy to improve road safety, infrastructure, and transportation policy worldwide.
  • D. 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.
  • E. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • 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: British Rail Research laboratories
Triple: [Railway Technical Centre, hasPart, British Rail Research laboratories]
Generated description
The British Rail Research laboratories were a major UK railway research facility known for pioneering work in rail technology, safety, and high-speed train development.
NED2 Entity disambiguation (via description) gpt-5-mini-2025-08-07
Target entity: British Rail Research laboratories
Target entity description: The British Rail Research laboratories were a major UK railway research facility known for pioneering work in rail technology, safety, and high-speed train development.
  • 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. Railway Technical Centre chosen
    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.
  • C. Transport Research Laboratory
    Transport Research Laboratory is a leading UK-based center for transport and mobility research, providing evidence-based analysis and consultancy to improve road safety, infrastructure, and transportation policy worldwide.
  • D. 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.
  • E. Anglia Railways
    Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
  • F. None of above.

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_69c008d8c61081908bcaf61510d881ed completed March 22, 2026, 3:20 p.m.
NER Named-entity recognition batch_69c068277f6c81908e6a55e006f0c229 completed March 22, 2026, 10:07 p.m.
NED1 Entity disambiguation (via context triple) batch_69c6386f361c819098dbe01b0cb07b06 completed March 27, 2026, 7:57 a.m.
NEDg Description generation batch_69c6395e934c81909bfa10ee1b8e517f completed March 27, 2026, 8:01 a.m.
NED2 Entity disambiguation (via description) batch_69c63a0a4a108190b474555d8cb1540c completed March 27, 2026, 8:04 a.m.
Created at: March 22, 2026, 4:33 p.m.