Triple
T6350297
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Engineering Limited |
E142851
|
entity |
| Predicate | notableWork |
P4
|
FINISHED |
| Object | British Rail Class 150 diesel multiple units |
E547214
|
NE FINISHED |
How this triple was built (2 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: British Rail Class 150 diesel multiple units | Statement: [British Rail Engineering Limited, notableWork, British Rail Class 150 diesel multiple units]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 150 diesel multiple units Context triple: [British Rail Engineering Limited, notableWork, British Rail Class 150 diesel multiple units]
-
A.
British Rail Class 150
chosen
The British Rail Class 150 is a diesel multiple-unit passenger train built in the 1980s for regional and commuter services on the UK rail network.
-
B.
British Rail Class 153
The British Rail Class 153 is a single-car diesel multiple unit train used on regional and rural passenger services across the UK rail network.
-
C.
British Rail Class 159
The British Rail Class 159 is a diesel multiple-unit train used for long-distance regional services in the UK, particularly known for operating intercity-style routes in the southwest of England.
-
D.
British Rail Class 165
The British Rail Class 165 is a diesel multiple-unit commuter train used primarily on suburban and regional services in the south of England.
-
E.
British Rail Class 156
The British Rail Class 156 is a diesel multiple-unit passenger train built in the late 1980s for regional and local services across the UK rail network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69c008d6dcbc8190aa1c2f1fd8916b42 |
completed | March 22, 2026, 3:20 p.m. |
| NER | Named-entity recognition | batch_69c067bcec2c8190bb383605847b0f0b |
completed | March 22, 2026, 10:05 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7941f24b881908aeb02b2cae78e12 |
completed | March 28, 2026, 8:41 a.m. |
Created at: March 22, 2026, 4:31 p.m.