Triple
T21568790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Anglia Great Northern |
E532229
|
entity |
| Predicate | usedRollingStockType |
P1305
|
FINISHED |
| Object | Class 322 electric 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 322 electric multiple units | Statement: [West Anglia Great Northern, usedRollingStockType, Class 322 electric multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 322 electric multiple units Context triple: [West Anglia Great Northern, usedRollingStockType, Class 322 electric multiple units]
-
A.
Class 323 electric multiple unit
The Class 323 electric multiple unit is a type of British suburban electric train widely used for high-frequency commuter services around cities such as Birmingham and Manchester.
-
B.
Class 321 electric multiple unit
The Class 321 electric multiple unit is a British suburban and commuter train type introduced in the late 1980s for high-capacity, overhead-electrified passenger services.
-
C.
Class 331 electric multiple unit
The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
-
D.
Class 350 electric multiple units
The Class 350 electric multiple units are a family of British dual-voltage commuter trains built by Siemens for regional and intercity services on the UK rail network.
-
E.
Class 315 electric multiple unit
The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
- 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 322 electric multiple units Target entity description: The Class 322 electric multiple units are British suburban electric trains built in the early 1990s, primarily used for commuter and airport services in the UK.
-
A.
Class 323 electric multiple unit
The Class 323 electric multiple unit is a type of British suburban electric train widely used for high-frequency commuter services around cities such as Birmingham and Manchester.
-
B.
Class 321 electric multiple unit
The Class 321 electric multiple unit is a British suburban and commuter train type introduced in the late 1980s for high-capacity, overhead-electrified passenger services.
-
C.
Class 331 electric multiple unit
The Class 331 electric multiple unit is a modern British commuter train operated by Northern Trains, designed for high-frequency regional services with rapid acceleration and improved passenger comfort.
-
D.
Class 350 electric multiple units
The Class 350 electric multiple units are a family of British dual-voltage commuter trains built by Siemens for regional and intercity services on the UK rail network.
-
E.
Class 315 electric multiple unit
The Class 315 electric multiple unit is a type of British suburban electric train built in the early 1980s for commuter services in and around London.
- 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_69e0c460db088190828c64206a450273 |
completed | April 16, 2026, 11:13 a.m. |
| NER | Named-entity recognition | batch_69eee9cad95c8190ab165ced6f242302 |
completed | April 27, 2026, 4:44 a.m. |
Created at: April 16, 2026, 6:30 p.m.