Triple
T17933932
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 159 |
E448402
|
entity |
| Predicate | operatorColourScheme |
P29272
|
FINISHED |
| Object | South Western Railway livery |
—
|
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: South Western Railway livery | Statement: [British Rail Class 159, operatorColourScheme, South Western Railway livery]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: South Western Railway livery Context triple: [British Rail Class 159, operatorColourScheme, South Western Railway livery]
-
A.
South Western Railway
South Western Railway is a zone of Indian Railways responsible for operating and managing rail services primarily across the state of Karnataka and parts of its neighboring regions.
-
B.
South Western Railway
chosen
South Western Railway is a major UK train operating company providing regional and long-distance passenger rail services across southwest London, Surrey, Hampshire, Dorset, Wiltshire, Devon, and surrounding areas.
-
C.
British Railways maroon coaching stock livery
British Railways maroon coaching stock livery was a deep red standard color scheme applied to BR passenger carriages in the 1950s and 1960s, particularly associated with mainline and prestige services.
-
D.
South Western Railway (Western Australia)
South Western Railway (Western Australia) is a major regional rail line in Western Australia that links Perth with key southern centres, including Bunbury, supporting both passenger and freight transport.
-
E.
Rail Blue
Rail Blue is the iconic dark blue corporate colour scheme adopted by British Rail in the late 1960s for its diesel and electric locomotives and rolling stock.
- 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_69d8b9f79d14819095540856928f0e25 |
completed | April 10, 2026, 8:51 a.m. |
| NER | Named-entity recognition | batch_69e4a5547b7881909dc41bb7dd34194f |
completed | April 19, 2026, 9:50 a.m. |
Created at: April 10, 2026, 10:21 a.m.