Triple
T11291741
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | British Rail Class 387 |
E267340
|
entity |
| Predicate | usedOn |
P2367
|
FINISHED |
| Object | London Paddington – Heathrow Airport |
E910534
|
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: London Paddington – Heathrow Airport | Statement: [British Rail Class 387, usedOn, London Paddington – Heathrow Airport]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Paddington – Heathrow Airport Context triple: [British Rail Class 387, usedOn, London Paddington – Heathrow Airport]
-
A.
London Paddington–Heathrow Airport
chosen
London Paddington–Heathrow Airport is the rail route in west London linking the central London terminus at Paddington station with Heathrow Airport, primarily served by dedicated airport express services.
-
B.
Heathrow Airport rail network
The Heathrow Airport rail network is the integrated system of rail and metro services that connect Heathrow’s terminals with central London and the wider UK rail network.
-
C.
Heathrow Airport
Heathrow Airport is the United Kingdom’s largest and busiest international airport, serving as a major global aviation hub for London.
-
D.
London Paddington
London Paddington is a major central London railway terminus and transport hub, best known as the historic Great Western Railway terminus and a key gateway to western England and Heathrow Airport.
-
E.
Heathrow Connect
Heathrow Connect was a suburban rail service in London that operated stopping trains between London Paddington and Heathrow Airport before being replaced by the Elizabeth line.
- 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_69d6aac993a08190a6f36445ebaf9a43 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7e989fdac81909a4a75f1f68b55c6 |
completed | April 9, 2026, 6:01 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e4f4a57d6881909a1e65744111ad8b |
completed | April 19, 2026, 3:28 p.m. |
Created at: April 8, 2026, 9:32 p.m.