Triple
T19162433
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South Harrow station |
E469088
|
entity |
| Predicate | adjacentStationOnPiccadillyLineTowardsCentralLondon |
P43386
|
FINISHED |
| Object | Sudbury Hill station |
E1004534
|
NE FINISHED |
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: Sudbury Hill station | Statement: [South Harrow station, adjacentStationOnPiccadillyLineTowardsCentralLondon, Sudbury Hill station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Sudbury Hill station Context triple: [South Harrow station, adjacentStationOnPiccadillyLineTowardsCentralLondon, Sudbury Hill station]
-
A.
Sudbury Hill tube station
chosen
Sudbury Hill tube station is a London Underground station on the Piccadilly line, notable for its 1930s modernist architecture characteristic of designer Charles Holden.
-
B.
Whitefield station
Whitefield station is a key suburban railway hub serving the Whitefield area and eastern suburbs of Bengaluru, India.
-
C.
Newton Centre station
Newton Centre station is a light rail stop in Newton, Massachusetts, serving the MBTA Green Line’s D branch on the Boston-area transit system.
-
D.
Upminster station
Upminster station is a major transport hub in east London serving as an interchange between National Rail services and the eastern terminus of the London Underground’s District line.
-
E.
West Park station
West Park station is a rapid transit stop on Cleveland's RTA Red Line serving the West Park neighborhood on the city's west side.
- 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: adjacentStationOnPiccadillyLineTowardsCentralLondon Context triple: [South Harrow station, adjacentStationOnPiccadillyLineTowardsCentralLondon, Sudbury Hill station]
-
A.
adjacentStationTowardsLondonBridge
Indicates that one station is directly next to another along the rail line in the direction heading toward London Bridge.
-
B.
adjacentStationOnCentralLineTowardsEast
Indicates that one station is directly next to another along the Central Line in the eastbound direction.
-
C.
adjacentStationOnCentralLineTowardsWest
Indicates that one station is directly next to another on the Central Line in the westbound direction.
-
D.
adjacentStationOnBakerlooLine
Indicates that one station is directly next to another station along the Bakerloo Line, with no other stations in between.
-
E.
isAdjacentStationOnPiccadillyLine
chosen
Indicates that two stations are directly next to each other as consecutive stops on the Piccadilly Line.
- F. None of above.
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_69d8dd084ff48190ac0f8c46ee722629 |
completed | April 10, 2026, 11:20 a.m. |
| NER | Named-entity recognition | batch_69e5eebe03ac8190bbe0b34ebf0d90c6 |
completed | April 20, 2026, 9:15 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a06f25cc54c819096b3cac034630990 |
completed | May 15, 2026, 10:15 a.m. |
| PD | Predicate disambiguation | batch_69e4b9b83d6881908e6271c620f74100 |
completed | April 19, 2026, 11:17 a.m. |
Created at: April 10, 2026, 12:06 p.m.