Triple
T20057763
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | A40 Western Avenue |
E499384
|
entity |
| Predicate | nearbyRailStations |
P31869
|
FINISHED |
| Object | Greenford 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: Greenford station | Statement: [A40 Western Avenue, nearbyRailStations, Greenford station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Greenford station Context triple: [A40 Western Avenue, nearbyRailStations, Greenford station]
-
A.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
-
B.
Stamford Brook station
Stamford Brook station is a London Underground station in west London served by the District line.
-
C.
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.
-
D.
Croxley station
Croxley station is a London Underground station in Hertfordshire on the Metropolitan line serving the Croxley Green area near Watford.
-
E.
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.
- 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: Greenford station Target entity description: Greenford station is a transport hub in Greenford, west London, served by London Underground’s Central line and National Rail services.
-
A.
Gunnersbury station
Gunnersbury station is a London Underground and London Overground station in west London serving the District line and the North London line.
-
B.
Stamford Brook station
Stamford Brook station is a London Underground station in west London served by the District line.
-
C.
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.
-
D.
Croxley station
Croxley station is a London Underground station in Hertfordshire on the Metropolitan line serving the Croxley Green area near Watford.
-
E.
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.
- 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_69da6276bcf48190aabbf279192a5fb4 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6637325908190aefc0e27e2ed5750 |
completed | April 20, 2026, 5:33 p.m. |
Created at: April 11, 2026, 3:38 p.m.