Triple
T18631127
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tattenham Corner line |
E455417
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Coulsdon Town railway 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: Coulsdon Town railway station | Statement: [Tattenham Corner line, hasStation, Coulsdon Town railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Coulsdon Town railway station Context triple: [Tattenham Corner line, hasStation, Coulsdon Town railway station]
-
A.
Coulsdon Town railway station
chosen
Coulsdon Town railway station is a suburban rail station in the London Borough of Croydon, providing local services on the Tattenham Corner line into central London.
-
B.
Coulsdon South railway station
Coulsdon South railway station is a commuter rail station in the London Borough of Croydon, serving the Coulsdon area on the Brighton Main Line with services towards central London and the south coast.
-
C.
Carshalton railway station
Carshalton railway station is a suburban rail station in the London Borough of Sutton, providing local and commuter services on the Sutton and Mole Valley lines.
-
D.
Sanderstead railway station
Sanderstead railway station is a suburban rail station in the London Borough of Croydon, providing commuter services between central London and destinations in Surrey and Sussex.
-
E.
Box Hill & Westhumble railway station
Box Hill & Westhumble railway station is a rural railway stop in Surrey, England, serving the village of Westhumble and providing access to the nearby Box Hill area.
- 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_69d8d38cc7948190a55ea64e5638994e |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e54f07fa8481908b2535b8fba70b7e |
completed | April 19, 2026, 9:54 p.m. |
Created at: April 10, 2026, 11:46 a.m.