Triple
T21878648
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Watford Junction railway station |
E540218
|
entity |
| Predicate | servedBy |
P82
|
FINISHED |
| Object | Caledonian Sleeper |
—
|
NE NERFINISHED |
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: Caledonian Sleeper | Statement: [Watford Junction railway station, servedBy, Caledonian Sleeper]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Caledonian Sleeper Context triple: [Watford Junction railway station, servedBy, Caledonian Sleeper]
-
A.
Caledonian Sleeper
chosen
Caledonian Sleeper is an overnight train service in the United Kingdom that connects London with various destinations in Scotland, offering sleeper accommodations for long-distance travelers.
-
B.
Hull Trains
Hull Trains is an open-access British train operating company that runs long-distance passenger services primarily between London King's Cross and Hull and other destinations in East Yorkshire.
-
C.
Royal Scot express
The Royal Scot express was a prestigious high-speed passenger train service in the United Kingdom that ran between London Euston and Glasgow, symbolizing the peak of interwar mainline rail travel.
-
D.
InterCity CrossCountry
InterCity CrossCountry was a former British Rail sector that operated long-distance cross-country passenger train services across the United Kingdom before privatisation.
-
E.
London–Edinburgh express services
The London–Edinburgh express services are high-speed, long-distance passenger train services linking England’s capital with Scotland’s capital along the East Coast Main Line.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (2 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_69e0c479a98081908ce333853fdd4348 |
completed | April 16, 2026, 11:14 a.m. |
| NER | Named-entity recognition | batch_69f118e42c108190b6308016655c429e |
completed | April 28, 2026, 8:30 p.m. |
Created at: April 16, 2026, 7:03 p.m.