Triple
T8638161
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Didcot Railway Centre |
E204573
|
entity |
| Predicate | railwayPreserved |
P73771
|
FINISHED |
| Object | Great Western Railway |
E28420
|
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: Great Western Railway | Statement: [Didcot Railway Centre, railwayPreserved, Great Western Railway]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Railway Context triple: [Didcot Railway Centre, railwayPreserved, Great Western Railway]
-
A.
Great Western Railway
chosen
Great Western Railway is a major British train operating company providing intercity and regional rail services across western and southern England and South Wales.
-
B.
Great Western Railway
Great Western Railway was a historic Canadian railway company that played a key role in 19th-century transportation and trade across southern Ontario and into the United States.
-
C.
London and South Western Railway
The London and South Western Railway was a major 19th- and early 20th-century British railway company that operated an extensive network in southwest London, Surrey, Hampshire, and the West Country, including key routes to the south coast and the port of Southampton.
-
D.
Great Eastern Railway
Great Eastern Railway was a major pre-grouping British railway company that operated an extensive network across East Anglia and into London from the mid-19th to early 20th century.
-
E.
London and North Western Railway
London and North Western Railway was a major 19th- and early 20th-century British railway company that operated extensive routes across England and Wales before becoming part of the London, Midland and Scottish Railway in 1923.
- 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: railwayPreserved Context triple: [Didcot Railway Centre, railwayPreserved, Great Western Railway]
-
A.
railwayHeritageFeature
Indicates that something is a feature associated with railway heritage, such as historically significant railway structures, equipment, or related elements.
-
B.
preservedLocomotive
Indicates that a locomotive has been retained and maintained, typically in a museum or heritage setting, rather than being scrapped or left to deteriorate.
-
C.
heritageRailwayName
chosen
Indicates the specific name assigned to a heritage railway associated with an entity.
-
D.
heritageRailwayUse
Indicates that a railway line, infrastructure, or service is used for heritage or historical purposes rather than for regular commercial transport.
-
E.
railwayFocus
Indicates that something is a primary subject, theme, or point of attention specifically in the context of railways or railway-related matters.
- 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_69ca834ca1c88190a11ffb0200342fac |
completed | March 30, 2026, 2:06 p.m. |
| NER | Named-entity recognition | batch_69cc47944d1c819081f448f14d04bf9d |
completed | March 31, 2026, 10:15 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cf28516bd08190b69b314aea423d22 |
completed | April 3, 2026, 2:39 a.m. |
| PD | Predicate disambiguation | batch_69cc455d6d448190a2da2a319ac78c37 |
completed | March 31, 2026, 10:06 p.m. |
Created at: March 30, 2026, 6:28 p.m.