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.