Triple
T20088509
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Harrow Underground station |
E496201
|
entity |
| Predicate | precedingStationOnMetropolitanLineTowardsUxbridge |
P138673
|
FINISHED |
| Object | Rayners Lane Underground 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: Rayners Lane Underground station | Statement: [West Harrow Underground station, precedingStationOnMetropolitanLineTowardsUxbridge, Rayners Lane Underground station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Rayners Lane Underground station Context triple: [West Harrow Underground station, precedingStationOnMetropolitanLineTowardsUxbridge, Rayners Lane Underground station]
-
A.
Rayners Lane station
chosen
Rayners Lane station is a London Underground station in the London Borough of Harrow, served by the Metropolitan and Piccadilly lines.
-
B.
Hanger Lane Underground station
Hanger Lane Underground station is a London Underground station on the Central line in Ealing, known for its location within the Hanger Lane gyratory road junction.
-
C.
Bow Road Underground station
Bow Road Underground station is a London Underground station in East London serving the District and Hammersmith & City lines.
-
D.
Holloway Road Underground station
Holloway Road Underground station is a London Underground station on the Piccadilly line in North London, serving the Holloway area and located close to Arsenal’s Emirates Stadium.
-
E.
Wood Lane tube station
Wood Lane tube station is a London Underground station in White City serving the Circle and Hammersmith & City lines near the Westfield London shopping centre and BBC Television Centre.
- 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: precedingStationOnMetropolitanLineTowardsUxbridge Context triple: [West Harrow Underground station, precedingStationOnMetropolitanLineTowardsUxbridge, Rayners Lane Underground station]
-
A.
adjacentStationTowardsLondonBridge
Indicates that one station is directly next to another along the rail line in the direction heading toward London Bridge.
-
B.
adjacentStationOnCentralLineTowardsWest
Indicates that one station is directly next to another on the Central Line in the westbound direction.
-
C.
adjacentStationTowardsStrood
Indicates that one station is directly next to another in the direction of Strood along a railway line.
-
D.
adjacentStationOnHammersmithAndCityLine
Indicates that two stations are directly next to each other on the Hammersmith & City underground line, with no other station between them.
-
E.
adjacentStationOnBakerlooLine
Indicates that one station is directly next to another station along the Bakerloo Line, with no other stations in between.
- F. None of above. chosen
Provenance (4 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_69da626eee3881909f3454986d4a6511 |
completed | April 11, 2026, 3:02 p.m. |
| NER | Named-entity recognition | batch_69e6655d65a88190a510132f36341b6c |
completed | April 20, 2026, 5:41 p.m. |
| PD | Predicate disambiguation | batch_69e54cf369b88190931532420517dac7 |
completed | April 19, 2026, 9:45 p.m. |
| PDg | Predicate description generation | batch_69e54fc20888819083c9118a09d0d2dc |
completed | April 19, 2026, 9:57 p.m. |
Created at: April 11, 2026, 11:17 p.m.