Triple
T21878847
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 168 |
E540223
|
entity |
| Predicate | hasSubclass |
P1244
|
FINISHED |
| Object | Class 168/2 |
—
|
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 168/2 | Statement: [British Rail Class 168, hasSubclass, Class 168/2]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Class 168/2 Context triple: [British Rail Class 168, hasSubclass, Class 168/2]
-
A.
Class 168/1
Class 168/1 is a subseries of the British Rail Class 168 diesel multiple units used for regional and commuter services on the UK rail network.
-
B.
Class 168/0
Class 168/0 is a subseries of the British Rail Class 168 diesel multiple units used for regional and commuter services on the UK rail network.
-
C.
Class 150/2
Class 150/2 is a subclass of the British Rail Class 150 diesel multiple units, built for regional and commuter services on the UK rail network.
-
D.
Class 165/1
Class 165/1 is a subseries of British diesel multiple-unit commuter trains designed for regional and suburban passenger services in the UK.
-
E.
Class 68
Class 68 is a modern British diesel-electric locomotive class used for both passenger and freight services on 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 168/2 Target entity description: Class 168/2 is a subseries of the British Rail Class 168 diesel multiple units, built for Chiltern Railways and used on regional and commuter services in the UK.
-
A.
Class 168/1
Class 168/1 is a subseries of the British Rail Class 168 diesel multiple units used for regional and commuter services on the UK rail network.
-
B.
Class 168/0
Class 168/0 is a subseries of the British Rail Class 168 diesel multiple units used for regional and commuter services on the UK rail network.
-
C.
Class 150/2
Class 150/2 is a subclass of the British Rail Class 150 diesel multiple units, built for regional and commuter services on the UK rail network.
-
D.
Class 165/1
Class 165/1 is a subseries of British diesel multiple-unit commuter trains designed for regional and suburban passenger services in the UK.
-
E.
Class 68
Class 68 is a modern British diesel-electric locomotive class used for both passenger and freight services on 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.