Triple
T8638183
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Didcot Railway Centre |
E204573
|
entity |
| Predicate | preserves |
P1040
|
FINISHED |
| Object |
Great Western Railway carriages
Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
|
E747200
|
NE FINISHED |
How this triple was built (4 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 carriages | Statement: [Didcot Railway Centre, preserves, Great Western Railway carriages]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Great Western Railway carriages Context triple: [Didcot Railway Centre, preserves, Great Western Railway carriages]
-
A.
British Rail Mark 1 coaching stock
British Rail Mark 1 coaching stock was a standardised generation of passenger railway carriages introduced in the 1950s that formed the backbone of British Rail’s post-war fleet.
-
B.
British Rail Mark 3 coaching stock
The British Rail Mark 3 coaching stock is a high-speed, air-conditioned passenger carriage design introduced in the 1970s that became a mainstay of intercity rail services in the UK.
-
C.
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.
-
D.
British Rail Mark 2 sleeping coaches
British Rail Mark 2 sleeping coaches were mid-20th-century British railway carriages designed to provide overnight sleeping accommodation on long-distance services across the UK rail network.
-
E.
British Rail
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.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Great Western Railway carriages Triple: [Didcot Railway Centre, preserves, Great Western Railway carriages]
Generated description
Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Great Western Railway carriages Target entity description: Great Western Railway carriages are historic passenger coaches from the former Great Western Railway, now preserved as heritage rolling stock and often restored for display and operation on museum and heritage railways.
-
A.
British Rail Mark 1 coaching stock
British Rail Mark 1 coaching stock was a standardised generation of passenger railway carriages introduced in the 1950s that formed the backbone of British Rail’s post-war fleet.
-
B.
British Rail Mark 3 coaching stock
The British Rail Mark 3 coaching stock is a high-speed, air-conditioned passenger carriage design introduced in the 1970s that became a mainstay of intercity rail services in the UK.
-
C.
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.
-
D.
British Rail Mark 2 sleeping coaches
British Rail Mark 2 sleeping coaches were mid-20th-century British railway carriages designed to provide overnight sleeping accommodation on long-distance services across the UK rail network.
-
E.
British Rail
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.
- F. None of above. chosen
Provenance (5 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_69cc4763b6dc81908de979e6d8158bd9 |
completed | March 31, 2026, 10:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69cebc2c2b84819087a9f23b47c607e8 |
completed | April 2, 2026, 6:57 p.m. |
| NEDg | Description generation | batch_69cebd4633f08190971d5d67e5a7496a |
completed | April 2, 2026, 7:02 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69cebe12fa94819099e37ed9e5cd83b7 |
completed | April 2, 2026, 7:05 p.m. |
Created at: March 30, 2026, 6:28 p.m.