Triple
T16470864
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Class 5MT |
E400054
|
entity |
| Predicate | associatedRailwayCompany |
P5620
|
FINISHED |
| Object | London Midland and Scottish Railway |
E15342
|
NE FINISHED |
How this triple was built (3 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: London Midland and Scottish Railway | Statement: [Class 5MT, associatedRailwayCompany, London Midland and Scottish Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Midland and Scottish Railway Context triple: [Class 5MT, associatedRailwayCompany, London Midland and Scottish Railway]
-
A.
London, Midland and Scottish Railway
chosen
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.
-
B.
London and North Eastern Railway
London and North Eastern Railway was a major British railway company formed in 1923, known for operating key routes in eastern and northeastern England and for famous express trains like the Flying Scotsman and Mallard.
-
C.
London Midland
London Midland was a former British train operating company that ran regional and intercity passenger services across the West Midlands and surrounding areas until its franchise ended in 2017.
-
D.
Anglia Railways
Anglia Railways was a former British train operating company that ran passenger rail services in East Anglia following the privatisation of UK railways.
-
E.
Eastern and Midlands Railway
Eastern and Midlands Railway was a 19th-century British railway company that developed and operated lines in eastern England before being absorbed into larger railway systems.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: associatedRailwayCompany Context triple: [Class 5MT, associatedRailwayCompany, London Midland and Scottish Railway]
-
A.
railwayCompany
chosen
Indicates that one entity is a railway company that owns, operates, or manages railway services or infrastructure in relation to another entity.
-
B.
railwayCompanyOnRoute
Indicates that a particular railway company operates or provides service on a specified route.
-
C.
laterRailwayCompany
Indicates that one railway company is the successor or later incarnation of another railway company.
-
D.
railwayCompanyType
Indicates the specific category or classification of a railway company in terms of its role, ownership, or operational type.
-
E.
railwayCompanyGroup
Indicates that one entity is a group or consortium that includes or controls the other entity as a railway company.
- F. None of above.
Provenance (4 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_69d87f2dac988190b74d6e185fa88ba4 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e32dd0d2fc81909b68b5afb00f192f |
completed | April 18, 2026, 7:08 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a0084aa47408190abe2ffaab84cdd85 |
completed | May 10, 2026, 1:14 p.m. |
| PD | Predicate disambiguation | batch_69e22706b0588190a48a951c5211a617 |
completed | April 17, 2026, 12:26 p.m. |
Created at: April 10, 2026, 5:11 a.m.