Triple
T21804476
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | InterCity 125 |
E538314
|
entity |
| Predicate | powerCarType |
P1776
|
FINISHED |
| Object | Class 43 locomotive |
—
|
NE NERFINISHED |
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: Class 43 locomotive | Statement: [InterCity 125, powerCarType, Class 43 locomotive]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 43 locomotive Context triple: [InterCity 125, powerCarType, Class 43 locomotive]
-
A.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
B.
Class 86 locomotive
The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
-
C.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
D.
Class 91 locomotive
The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
-
E.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Class 43 locomotive Target entity description: The Class 43 locomotive is a British high-speed diesel-electric power car best known for operating in InterCity 125 train sets and once holding the world speed record for diesel traction.
-
A.
Class 67 locomotive
The Class 67 locomotive is a type of high-speed diesel-electric locomotive used on the British railway network for both passenger and freight services.
-
B.
Class 86 locomotive
The Class 86 locomotive is a British electric locomotive class introduced in the 1960s for high-speed passenger and freight services on the West Coast Main Line and other electrified routes.
-
C.
Class 68 locomotive
The Class 68 locomotive is a modern British diesel-electric locomotive used for passenger and freight services, known for its high performance, reliability, and distinctive angular design.
-
D.
Class 91 locomotive
The Class 91 locomotive is a high-speed electric locomotive used on Britain’s East Coast Main Line, designed for 140 mph operation and commonly paired with Mark 4 coaching stock.
-
E.
Class 57 diesel locomotive
The Class 57 diesel locomotive is a British mainline locomotive type, rebuilt from older Class 47s, widely used for both passenger and freight services including prestigious sleeper and charter trains.
- F. None of above. chosen
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: powerCarType Context triple: [InterCity 125, powerCarType, Class 43 locomotive]
-
A.
vehicleType
chosen
Indicates the specific kind or category of vehicle associated with an entity (e.g., car, bus, bicycle).
-
B.
poweredVehicleFamily
Indicates that one vehicle is part of a family or group of vehicles that share a common powered (motorized) design or platform.
-
C.
carModel
Indicates the specific model designation of a car within a particular make or brand.
-
D.
vehicleFamily
Indicates that two vehicles belong to the same family or category based on shared design, platform, or lineage.
-
E.
vehicleTypeFocus
Indicates that the relationship or action specifically concerns or emphasizes a particular type or category of vehicle.
- F. None of above.
Provenance (3 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_69e0c4733f4081909a86622e7e6d15d2 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69f07801fa8081909098d00947bf8f7f |
completed | April 28, 2026, 9:04 a.m. |
| PD | Predicate disambiguation | batch_69e6be751ce881909badced245ef76c7 |
completed | April 21, 2026, 12:01 a.m. |
Created at: April 16, 2026, 6:53 p.m.