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.