Triple
T23075272
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Sulzer 12LDA28C |
E575310
|
entity |
| Predicate | usedIn |
P98
|
FINISHED |
| Object | British Rail Class 47 (early prototypes) |
—
|
NE NERFINISHED |
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 47 (early prototypes) | Statement: [Sulzer 12LDA28C, usedIn, British Rail Class 47 (early prototypes)]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Rail Class 47 (early prototypes) Context triple: [Sulzer 12LDA28C, usedIn, British Rail Class 47 (early prototypes)]
-
A.
British Rail Class 47
chosen
The British Rail Class 47 is a widely used diesel-electric locomotive class introduced in the 1960s, notable for its extensive service across the UK rail network with both passenger and freight trains.
-
B.
British Rail Mark 4 coaching stock
British Rail Mark 4 coaching stock is a later-generation fleet of high-speed passenger railway carriages used primarily on Britain’s East Coast Main Line, designed for improved comfort, safety, and performance over earlier designs.
-
C.
British Rail Class 707
The British Rail Class 707 is a fleet of modern electric multiple-unit commuter trains built by Siemens for high-frequency suburban services in the South East of England.
-
D.
British Rail Class 40
The British Rail Class 40 is a class of heavy diesel-electric locomotives built in the late 1950s and early 1960s for express passenger and freight services on British Railways, now preserved and operated on heritage lines.
-
E.
British Rail Class 720
The British Rail Class 720 is a modern electric multiple unit train built for high-capacity commuter and regional services on the UK rail network.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69e245be28d48190ad1348d5a73db37d |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f18c62c200819099c92654493288ad |
completed | April 29, 2026, 4:43 a.m. |
Created at: April 17, 2026, 3:56 p.m.