Triple
T18631131
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Tattenham Corner line |
E455417
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object | Tadworth railway 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: Tadworth railway station | Statement: [Tattenham Corner line, hasStation, Tadworth railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Tadworth railway station Context triple: [Tattenham Corner line, hasStation, Tadworth railway station]
-
A.
Tolworth railway station
Tolworth railway station is a suburban rail stop in southwest London serving the Tolworth area with services on the Chessington Branch Line into central London.
-
B.
Teddington railway station
Teddington railway station is a suburban rail station in southwest London serving the town of Teddington in the London Borough of Richmond upon Thames.
-
C.
Twyford railway station
Twyford railway station is a key commuter and interchange station in Berkshire, England, serving the village of Twyford and providing connections on the Great Western Main Line and the Henley-on-Thames branch line.
-
D.
Tattenham Corner railway station
Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
-
E.
Staines railway station
Staines railway station is a key commuter rail hub in Surrey, England, providing regular services to London and surrounding areas.
- 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: Tadworth railway station Target entity description: Tadworth railway station is a suburban rail stop in Surrey, England, serving the village of Tadworth with services into central London.
-
A.
Tolworth railway station
Tolworth railway station is a suburban rail stop in southwest London serving the Tolworth area with services on the Chessington Branch Line into central London.
-
B.
Teddington railway station
Teddington railway station is a suburban rail station in southwest London serving the town of Teddington in the London Borough of Richmond upon Thames.
-
C.
Twyford railway station
Twyford railway station is a key commuter and interchange station in Berkshire, England, serving the village of Twyford and providing connections on the Great Western Main Line and the Henley-on-Thames branch line.
-
D.
Tattenham Corner railway station
Tattenham Corner railway station is a suburban rail station in Surrey, England, best known for serving racegoers attending events at the nearby Epsom Downs Racecourse, including the Epsom Derby.
-
E.
Staines railway station
Staines railway station is a key commuter rail hub in Surrey, England, providing regular services to London and surrounding areas.
- 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_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.