Triple
T7430721
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | London Underground Metropolitan line |
E171480
|
entity |
| Predicate | connectsStation |
P845
|
FINISHED |
| Object | Amersham station |
E662935
|
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: Amersham station | Statement: [London Underground Metropolitan line, connectsStation, Amersham station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Amersham station Context triple: [London Underground Metropolitan line, connectsStation, Amersham station]
-
A.
Amersham station
chosen
Amersham station is a London Underground and National Rail station in Buckinghamshire that serves as the outer terminus of the Metropolitan line and a key commuter hub into central London.
-
B.
Chesham station
Chesham station is a London Underground station in Buckinghamshire that serves as the northernmost point of the network on the Metropolitan line.
-
C.
Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
-
D.
Northwick Park station
Northwick Park station is a London Underground station on the Metropolitan line serving the Northwick Park area in the London Borough of Brent.
-
E.
Rickmansworth station
Rickmansworth station is a railway and London Underground station in Hertfordshire serving the town of Rickmansworth on the Metropolitan line and National Rail services.
- 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_69c68a63491881909281f73d4d5643bf |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f32324c481908c9ba594e8456728 |
completed | March 27, 2026, 9:14 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c86134a2108190a8e181e47af18e36 |
completed | March 28, 2026, 11:16 p.m. |
Created at: March 27, 2026, 3:12 p.m.