Triple
T5355139
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Railways Western Region |
E102671
|
entity |
| Predicate | operatedBy |
P86
|
FINISHED |
| Object | British Railways |
E15757
|
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 | Statement: [British Railways Western Region, operatedBy, British Railways]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: British Railways Context triple: [British Railways Western Region, operatedBy, British Railways]
-
A.
British Rail
chosen
British Rail was the state-owned company that operated most of the railway services in Great Britain from the late 1940s until the privatization of the rail network in the 1990s.
-
B.
London, Midland and Scottish Railway
The London, Midland and Scottish Railway was a major British railway company formed in 1923 that operated an extensive network across England, Scotland, and Wales until nationalisation in 1948.
-
C.
Southern Railway (UK)
Southern Railway (UK) was a major British railway company formed in 1923 that operated routes in southern England, including busy commuter and coastal lines, until nationalisation in 1948.
-
D.
British Rail Engineering Limited
British Rail Engineering Limited was the former engineering subsidiary of British Rail, responsible for designing, building, and maintaining much of the UK’s rolling stock and railway equipment.
-
E.
British Transport Commission
The British Transport Commission was a UK government body established after World War II to oversee and manage the nationalised railways, road transport, and inland waterways across Britain.
- 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_69bd43d8f7248190b64c140734b5c9a8 |
completed | March 20, 2026, 12:55 p.m. |
| NER | Named-entity recognition | batch_69bd862dbb008190aef653acddafd38b |
completed | March 20, 2026, 5:38 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69bf29193b6c8190bbf0854b4a766009 |
completed | March 21, 2026, 11:26 p.m. |
Created at: March 20, 2026, 2:01 p.m.