Triple
T6488181
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 172 |
E146566
|
entity |
| Predicate | family |
P566
|
FINISHED |
| Object |
Bombardier Turbostar
Bombardier Turbostar is a family of diesel multiple-unit passenger trains built by Bombardier Transportation for regional and suburban services in the United Kingdom.
|
E622774
|
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: Bombardier Turbostar | Statement: [British Rail Class 172, family, Bombardier Turbostar]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Bombardier Turbostar Context triple: [British Rail Class 172, family, Bombardier Turbostar]
-
A.
Bombardier Voyager family
The Bombardier Voyager family is a series of high-speed diesel-electric multiple unit trains used for intercity passenger services in the United Kingdom.
-
B.
De Havilland Canada Dash 7
The De Havilland Canada Dash 7 is a four-engine regional turboprop airliner renowned for its short takeoff and landing (STOL) capabilities, enabling operations from short and rough runways.
-
C.
Bombardier M5000
The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
-
D.
Beechcraft Duchess
The Beechcraft Duchess is a light twin-engine training and touring aircraft known for its reliability and use in multi-engine pilot instruction.
-
E.
Canadair Challenger business jet
The Canadair Challenger business jet is a family of large-cabin, long-range corporate aircraft whose design later formed the basis for Bombardier’s successful CRJ regional jet series.
- 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: Bombardier Turbostar Triple: [British Rail Class 172, family, Bombardier Turbostar]
Generated description
Bombardier Turbostar is a family of diesel multiple-unit passenger trains built by Bombardier Transportation for regional and suburban services in the United Kingdom.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Bombardier Turbostar Target entity description: Bombardier Turbostar is a family of diesel multiple-unit passenger trains built by Bombardier Transportation for regional and suburban services in the United Kingdom.
-
A.
Bombardier Voyager family
The Bombardier Voyager family is a series of high-speed diesel-electric multiple unit trains used for intercity passenger services in the United Kingdom.
-
B.
De Havilland Canada Dash 7
The De Havilland Canada Dash 7 is a four-engine regional turboprop airliner renowned for its short takeoff and landing (STOL) capabilities, enabling operations from short and rough runways.
-
C.
Bombardier M5000
The Bombardier M5000 is a modern, low-floor light rail tram used extensively on the Manchester Metrolink network in the United Kingdom.
-
D.
Beechcraft Duchess
The Beechcraft Duchess is a light twin-engine training and touring aircraft known for its reliability and use in multi-engine pilot instruction.
-
E.
Canadair Challenger business jet
The Canadair Challenger business jet is a family of large-cabin, long-range corporate aircraft whose design later formed the basis for Bombardier’s successful CRJ regional jet series.
- 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_69c0090158c08190af0df9a2348d2d52 |
completed | March 22, 2026, 3:21 p.m. |
| NER | Named-entity recognition | batch_69c06a97fff88190b6f993c14df62649 |
completed | March 22, 2026, 10:18 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c72f6db074819089795c29cb4f6699 |
completed | March 28, 2026, 1:31 a.m. |
| NEDg | Description generation | batch_69c73015a7d48190857b9b3e98ccf450 |
completed | March 28, 2026, 1:34 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69c73066c2c88190a8466c88208ce77b |
completed | March 28, 2026, 1:35 a.m. |
Created at: March 22, 2026, 4:52 p.m.