Triple
T5493704
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 158 |
E123762
|
entity |
| Predicate | manufacturer |
P490
|
FINISHED |
| Object |
BREL Derby
BREL Derby was a major British railway engineering works in Derby that built and maintained rolling stock for the UK rail network.
|
E524217
|
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: BREL Derby | Statement: [British Rail Class 158, manufacturer, BREL Derby]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: BREL Derby Context triple: [British Rail Class 158, manufacturer, BREL Derby]
-
A.
The Derby
The Derby is one of the most prestigious and historic flat horse races in the world, forming part of the British Classics and run annually at Epsom Downs.
-
B.
Intu Derby
Intu Derby was a large shopping centre in Derby, England, formerly operated under the Intu Properties brand before being rebranded as Derbion.
-
C.
401 Derby
401 Derby is the Major League Soccer rivalry between Toronto FC and CF Montréal, named after the Ontario Highway 401 that connects the two cities.
-
D.
Dorney
Dorney is a village and civil parish in Buckinghamshire, England, best known for Dorney Lake, a major rowing venue used in the 2012 London Olympics.
-
E.
78 Derngate
78 Derngate is a renowned early 20th-century townhouse in Northampton, England, celebrated for its interior redesign by the architect Charles Rennie Mackintosh.
- 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: BREL Derby Triple: [British Rail Class 158, manufacturer, BREL Derby]
Generated description
BREL Derby was a major British railway engineering works in Derby that built and maintained rolling stock for the UK rail network.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: BREL Derby Target entity description: BREL Derby was a major British railway engineering works in Derby that built and maintained rolling stock for the UK rail network.
-
A.
The Derby
The Derby is one of the most prestigious and historic flat horse races in the world, forming part of the British Classics and run annually at Epsom Downs.
-
B.
Intu Derby
Intu Derby was a large shopping centre in Derby, England, formerly operated under the Intu Properties brand before being rebranded as Derbion.
-
C.
401 Derby
401 Derby is the Major League Soccer rivalry between Toronto FC and CF Montréal, named after the Ontario Highway 401 that connects the two cities.
-
D.
Dorney
Dorney is a village and civil parish in Buckinghamshire, England, best known for Dorney Lake, a major rowing venue used in the 2012 London Olympics.
-
E.
78 Derngate
78 Derngate is a renowned early 20th-century townhouse in Northampton, England, celebrated for its interior redesign by the architect Charles Rennie Mackintosh.
- 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_69bd464a2d908190869324ce176779c8 |
completed | March 20, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69bd9281a0148190bb7a8dae9c991b9c |
completed | March 20, 2026, 6:31 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf6c8fb5688190b29f27ce13324943 |
completed | March 22, 2026, 4:14 a.m. |
| NEDg | Description generation | batch_69bf6d7d2ff48190acee9baab4d54ef2 |
completed | March 22, 2026, 4:18 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69bf6e62f03481908fbbeb931defcc05 |
completed | March 22, 2026, 4:21 a.m. |
Created at: March 20, 2026, 2:10 p.m.