Triple
T7040285
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 745 |
E163491
|
entity |
| Predicate | replaced |
P101
|
FINISHED |
| Object | British Rail Class 90 locomotives |
E538996
|
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 90 locomotives | Statement: [British Rail Class 745, replaced, British Rail Class 90 locomotives]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 90 locomotives Context triple: [British Rail Class 745, replaced, British Rail Class 90 locomotives]
-
A.
British Rail Class 90
chosen
The British Rail Class 90 is a class of electric locomotives introduced in the late 1980s for high-speed passenger and freight services on the UK’s electrified main lines.
-
B.
British Rail Class 91
The British Rail Class 91 is a high-speed electric locomotive built in the late 1980s for InterCity 225 services on the East Coast Main Line, known for its streamlined design and 140 mph capability.
-
C.
British Rail Class 150
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.
-
D.
British Rail Class 321 electric multiple units
The British Rail Class 321 electric multiple units are a series of suburban and commuter trains introduced in the late 1980s for use on electrified routes in the UK, known for their widespread service in the south-east of England and East Anglia.
-
E.
British Rail Class 455 electric multiple units
The British Rail Class 455 electric multiple units are suburban commuter trains introduced in the early 1980s for services in and around London, known for their long service life and extensive use on the Southern Region 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_69c6885e7c1c8190be32a8f79ab4e0cf |
completed | March 27, 2026, 1:38 p.m. |
| NER | Named-entity recognition | batch_69c6e22544708190b0dffb5256d4cda6 |
completed | March 27, 2026, 8:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c8682696a48190aec021bd00c6f633 |
completed | March 28, 2026, 11:45 p.m. |
Created at: March 27, 2026, 2:36 p.m.