Triple
T18786345
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Chorleywood railway station |
E459385
|
entity |
| Predicate | adjacentStationOnMetropolitanLineAwayFromLondon |
P90478
|
FINISHED |
| Object | Chalfont & Latimer 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: Chalfont & Latimer station | Statement: [Chorleywood railway station, adjacentStationOnMetropolitanLineAwayFromLondon, Chalfont & Latimer station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Chalfont & Latimer station Context triple: [Chorleywood railway station, adjacentStationOnMetropolitanLineAwayFromLondon, Chalfont & Latimer station]
-
A.
Chalfont and Latimer railway station
chosen
Chalfont and Latimer railway station is a London Underground and National Rail station in Buckinghamshire serving the villages of Chalfont St Giles, Chalfont St Peter, and Little Chalfont on the Metropolitan line and Chiltern Railways routes.
-
B.
Chalfont station
Chalfont station is a SEPTA Regional Rail stop in Chalfont, Pennsylvania, serving commuters on the Lansdale/Doylestown Line.
-
C.
Rickmansworth station
Rickmansworth station is a railway and London Underground station in Hertfordshire serving the town of Rickmansworth on the Metropolitan line and National Rail services.
-
D.
Chesham station
Chesham station is a London Underground station in Buckinghamshire that serves as the northernmost point of the network on the Metropolitan line.
-
E.
Beaconsfield station
Beaconsfield station is a light rail stop on the Massachusetts Bay Transportation Authority’s Green Line D branch serving the Brookline area near Boston.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: adjacentStationOnMetropolitanLineAwayFromLondon Context triple: [Chorleywood railway station, adjacentStationOnMetropolitanLineAwayFromLondon, Chalfont & Latimer station]
-
A.
adjacentStationOnMetropolitanLine
chosen
Indicates that one station is directly next to another station along the Metropolitan Line, with no other stations in between on that line.
-
B.
hasAdjacentStationTowardsCentralLondon
Indicates that one station has a neighboring station located in the direction of central London along a transit route.
-
C.
adjacentStationOnCapitalLine
Indicates that one station is directly next to another station along the Capital Line, with no other stations in between.
-
D.
adjacentStationOnCentralLineTowardsEast
Indicates that one station is directly next to another along the Central Line in the eastbound direction.
-
E.
adjacentStationOnCentralLineTowardsWest
Indicates that one station is directly next to another on the Central Line in the westbound direction.
- F. None of above.
Provenance (3 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_69d8d396f54c8190ba49db31e8743842 |
completed | April 10, 2026, 10:40 a.m. |
| NER | Named-entity recognition | batch_69e5978154ac819096356d2a488b45f0 |
completed | April 20, 2026, 3:03 a.m. |
| PD | Predicate disambiguation | batch_69e48d16dd34819096e096d0c0e4c15c |
completed | April 19, 2026, 8:06 a.m. |
Created at: April 10, 2026, 11:52 a.m.