Triple
T10896327
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | BR Standard Class 4 steam locomotives |
E257318
|
entity |
| Predicate | regionOfOperation |
P794
|
FINISHED |
| Object | British Railways Western Region |
E102671
|
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 Railways Western Region | Statement: [BR Standard Class 4 steam locomotives, regionOfOperation, British Railways Western Region]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Railways Western Region Context triple: [BR Standard Class 4 steam locomotives, regionOfOperation, British Railways Western Region]
-
A.
British Railways Western Region
chosen
British Railways Western Region was the post-nationalisation division of British Rail responsible for former Great Western Railway routes across western and southwestern England and South Wales.
-
B.
Southern Region of British Railways
The Southern Region of British Railways was one of the post-nationalisation operating regions in the south of England, known for its dense commuter network and extensive electrified lines serving London and the surrounding areas.
-
C.
British Rail Eastern Region
British Rail Eastern Region was a major operating division of British Railways responsible for rail services across eastern England, inheriting much of the former London and North Eastern Railway network.
-
D.
British Railways London Midland Region
British Railways London Midland Region was the post-nationalisation division of British Railways responsible for former London, Midland and Scottish Railway routes, including the operation of locomotives such as the LMS Black Five.
-
E.
Great Western Railway
Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
- 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_69d6aa8550c8819095508a2ed9acf3db |
completed | April 8, 2026, 7:20 p.m. |
| NER | Named-entity recognition | batch_69d75d022f4c81909cd9ea27a9f0cd32 |
completed | April 9, 2026, 8:02 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e15519e620819090e492861de6a567 |
completed | April 16, 2026, 9:31 p.m. |
Created at: April 8, 2026, 9:21 p.m.