Triple
T18920986
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Buckhurst Hill |
E462853
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object | Buckhurst Hill tube station |
—
|
NE NERFINISHED |
How this triple was built (3 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: Buckhurst Hill tube station | Statement: [Buckhurst Hill, hasRailwayStation, Buckhurst Hill tube station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Buckhurst Hill tube station Context triple: [Buckhurst Hill, hasRailwayStation, Buckhurst Hill tube station]
-
A.
Snaresbrook tube station
Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
-
B.
Colliers Wood tube station
Colliers Wood tube station is a London Underground station on the Northern line in south-west London, notable for its modernist architectural style by Charles Holden.
-
C.
Epping tube station
Epping tube station is the northeastern terminus of the London Underground’s Central line, serving the town of Epping in Essex.
-
D.
Gants Hill tube station
Gants Hill tube station is a London Underground station on the Central line, notable for its distinctive circular ticket hall and location in the northeast London suburb of Gants Hill.
-
E.
Wanstead tube station
Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Buckhurst Hill tube station Target entity description: Buckhurst Hill tube station is a London Underground Central line station in the suburban area of Buckhurst Hill, Essex, serving commuters traveling to and from central London.
-
A.
Snaresbrook tube station
Snaresbrook tube station is a London Underground station on the Central line serving the Snaresbrook area in northeast London.
-
B.
Colliers Wood tube station
Colliers Wood tube station is a London Underground station on the Northern line in south-west London, notable for its modernist architectural style by Charles Holden.
-
C.
Epping tube station
Epping tube station is the northeastern terminus of the London Underground’s Central line, serving the town of Epping in Essex.
-
D.
Gants Hill tube station
Gants Hill tube station is a London Underground station on the Central line, notable for its distinctive circular ticket hall and location in the northeast London suburb of Gants Hill.
-
E.
Wanstead tube station
Wanstead tube station is a London Underground station on the Central line serving the Wanstead area in East London.
- F. None of above. chosen
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_69d8dcfdbbb881909964fa5a75bd0b48 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5c9b3b93c819085032d8251a43ca8 |
completed | April 20, 2026, 6:37 a.m. |
Created at: April 10, 2026, 11:59 a.m.