Triple
T22939907
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Northolt Underground station |
E569693
|
entity |
| Predicate | hasAdjacentStation |
P231
|
FINISHED |
| Object | Greenford station |
—
|
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: Greenford station | Statement: [Northolt Underground station, hasAdjacentStation, Greenford station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenford station Context triple: [Northolt Underground station, hasAdjacentStation, Greenford station]
-
A.
Greenford station
chosen
Greenford station is a transport hub in Greenford, west London, served by London Underground’s Central line and National Rail services.
-
B.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
-
C.
Stamford Brook station
Stamford Brook station is a London Underground station in west London served by the District line.
-
D.
Northolt Park station
Northolt Park station is a suburban railway station in the London Borough of Harrow served by Chiltern Railways services between central London and the Midlands.
-
E.
Croxley station
Croxley station is a London Underground station in Hertfordshire on the Metropolitan line serving the Croxley Green area near Watford.
- 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_69e24590862c8190858f180ad302adab |
completed | April 17, 2026, 2:37 p.m. |
| NER | Named-entity recognition | batch_69f1813844b88190b05d3829b0c423c4 |
completed | April 29, 2026, 3:55 a.m. |
Created at: April 17, 2026, 3:45 p.m.