Triple
T11345790
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Romford–Upminster line |
E268708
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Upminster railway station |
E908281
|
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: Upminster railway station | Statement: [Romford–Upminster line, terminus, Upminster railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Upminster railway station Context triple: [Romford–Upminster line, terminus, Upminster railway station]
-
A.
Upminster station
chosen
Upminster station is a major transport hub in east London serving as an interchange between National Rail services and the eastern terminus of the London Underground’s District line.
-
B.
Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
-
C.
Bedminster railway station
Bedminster railway station is a suburban rail stop in Bristol, England, serving the Bedminster area on the line between Bristol Temple Meads and the wider regional network.
-
D.
Orpington railway station
Orpington railway station is a major commuter rail hub in the London Borough of Bromley, providing frequent services between southeast London, Kent, and central London.
-
E.
Hamstead railway station
Hamstead railway station is a suburban rail stop in the West Midlands, England, serving the Handsworth area on the line between Birmingham and Walsall.
- 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_69d6aacbe18081909e5fadb50082dd96 |
completed | April 8, 2026, 7:21 p.m. |
| NER | Named-entity recognition | batch_69d7ea1f9574819089760c5b5908f09e |
completed | April 9, 2026, 6:04 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69e5437fb1208190892fa6b05c92478e |
completed | April 19, 2026, 9:05 p.m. |
Created at: April 8, 2026, 9:33 p.m.