Triple
T6637337
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Serco Caledonian Sleepers Limited |
E150490
|
entity |
| Predicate | routeEndpoint |
P390
|
FINISHED |
| Object | London Euston |
E9460
|
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 Euston | Statement: [Serco Caledonian Sleepers Limited, routeEndpoint, London Euston]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: London Euston Context triple: [Serco Caledonian Sleepers Limited, routeEndpoint, London Euston]
-
A.
London Euston
chosen
London Euston is a major central London railway terminus and key hub for intercity services on the West Coast Main Line.
-
B.
Euston
Euston is a small rural village and civil parish in Suffolk, England, known for its historic Euston Hall and surrounding estate.
-
C.
Marylebone station
Marylebone station is a central London railway terminus and London Underground station serving Chiltern Railways services and the Bakerloo line.
-
D.
London St Pancras International
London St Pancras International is a major central London railway terminus and international high-speed rail hub, serving Eurostar services to continental Europe as well as domestic routes.
-
E.
Vauxhall Station
Vauxhall Station is a major transport hub in south London that serves both National Rail services and the London Underground on the Victoria 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_69c687f0ceb08190bf40807bfc605fa5 |
completed | March 27, 2026, 1:36 p.m. |
| NER | Named-entity recognition | batch_69c6afcf439c8190b9334b34774da821 |
completed | March 27, 2026, 4:26 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c7006ef73081909fd9081a9184ecd0 |
completed | March 27, 2026, 10:10 p.m. |
Created at: March 27, 2026, 1:59 p.m.