Triple
T21269597
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | First North Western |
E524219
|
entity |
| Predicate | fleetIncluded |
P10916
|
FINISHED |
| Object | Class 175 Coradia diesel multiple units |
—
|
NE NERFINISHED |
How this triple was built (3 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 175 Coradia diesel multiple units | Statement: [First North Western, fleetIncluded, Class 175 Coradia diesel multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 175 Coradia diesel multiple units Context triple: [First North Western, fleetIncluded, Class 175 Coradia diesel multiple units]
-
A.
Class 153 diesel multiple unit
The Class 153 diesel multiple unit is a single-car British regional train used primarily for local and rural passenger services on non-electrified lines.
-
B.
Class 158 diesel multiple unit
The Class 158 diesel multiple unit is a British regional passenger train built in the late 1980s and early 1990s, known for its air-conditioned interiors and use on longer-distance services across the UK rail network.
-
C.
Class 170 diesel multiple unit
The Class 170 diesel multiple unit is a British Turbostar family regional train used extensively for passenger services across the UK rail network.
-
D.
Class 156 diesel multiple unit
The Class 156 diesel multiple unit is a British two-car regional train type introduced in the late 1980s for local and medium-distance passenger services.
-
E.
Class 150 diesel multiple unit
The Class 150 diesel multiple unit is a British two- or three-car regional passenger train introduced in the 1980s and widely used on local and suburban services across the UK rail network.
- 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 175 Coradia diesel multiple units Target entity description: The Class 175 Coradia diesel multiple units are British regional passenger trains built by Alstom for higher-speed, comfortable services on non-electrified routes.
-
A.
Class 153 diesel multiple unit
The Class 153 diesel multiple unit is a single-car British regional train used primarily for local and rural passenger services on non-electrified lines.
-
B.
Class 158 diesel multiple unit
The Class 158 diesel multiple unit is a British regional passenger train built in the late 1980s and early 1990s, known for its air-conditioned interiors and use on longer-distance services across the UK rail network.
-
C.
Class 170 diesel multiple unit
The Class 170 diesel multiple unit is a British Turbostar family regional train used extensively for passenger services across the UK rail network.
-
D.
Class 156 diesel multiple unit
The Class 156 diesel multiple unit is a British two-car regional train type introduced in the late 1980s for local and medium-distance passenger services.
-
E.
Class 150 diesel multiple unit
The Class 150 diesel multiple unit is a British two- or three-car regional passenger train introduced in the 1980s and widely used on local and suburban services across the UK rail network.
- F. None of above. chosen
Provenance (2 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_69e0b5156d7881909bd4f83676590715 |
completed | April 16, 2026, 10:08 a.m. |
| NER | Named-entity recognition | batch_69e73651115081908b5083ba818a6bb1 |
completed | April 21, 2026, 8:33 a.m. |
Created at: April 16, 2026, 4:01 p.m.