Triple
T19293970
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Selhurst railway station |
E482511
|
entity |
| Predicate | servedByServiceTo |
P6787
|
FINISHED |
| Object | Coulsdon Town |
—
|
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: Coulsdon Town | Statement: [Selhurst railway station, servedByServiceTo, Coulsdon Town]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coulsdon Town Context triple: [Selhurst railway station, servedByServiceTo, Coulsdon Town]
-
A.
Coulsdon
Coulsdon is a suburban town in the London Borough of Croydon, England, known for its residential character and proximity to the North Downs.
-
B.
Coulsdon South
Coulsdon South is a railway station in the London Borough of Croydon serving the Coulsdon area on the Brighton Main Line.
-
C.
Coulsdon Common
Coulsdon Common is a large public open space and nature reserve in the Coulsdon area of south London, known for its woodlands, grasslands, and walking trails.
-
D.
Coulsdon Rural District
Coulsdon Rural District was a former local government district in Surrey, England, that governed a largely rural area south of London before its urbanization and reorganization in the early 20th century.
-
E.
Crayford
Crayford is a suburban town in southeast London, England, known for its residential character and rail links into central 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: Coulsdon Town Target entity description: Coulsdon Town is a suburban area and railway station in the London Borough of Croydon, England, forming part of South London's commuter belt.
-
A.
Coulsdon
Coulsdon is a suburban town in the London Borough of Croydon, England, known for its residential character and proximity to the North Downs.
-
B.
Coulsdon South
chosen
Coulsdon South is a railway station in the London Borough of Croydon serving the Coulsdon area on the Brighton Main Line.
-
C.
Coulsdon Common
Coulsdon Common is a large public open space and nature reserve in the Coulsdon area of south London, known for its woodlands, grasslands, and walking trails.
-
D.
Coulsdon Rural District
Coulsdon Rural District was a former local government district in Surrey, England, that governed a largely rural area south of London before its urbanization and reorganization in the early 20th century.
-
E.
Crayford
Crayford is a suburban town in southeast London, England, known for its residential character and rail links into central London.
- F. None of above.
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_69d8e8cf61b0819096fe3e4107827c4e |
completed | April 10, 2026, 12:10 p.m. |
| NER | Named-entity recognition | batch_69e5fc84500c81908ac53711335ad2d9 |
completed | April 20, 2026, 10:14 a.m. |
Created at: April 10, 2026, 1:31 p.m.