Triple
T13346123
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Ealing Broadway branch of the District line |
E317953
|
entity |
| Predicate | terminus |
P388
|
FINISHED |
| Object | Upminster station |
E908281
|
NE FINISHED |
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: Upminster station | Statement: [Ealing Broadway branch of the District line, terminus, Upminster station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Upminster station Context triple: [Ealing Broadway branch of the District line, terminus, Upminster station]
-
A.
Upminster station
chosen
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.
-
B.
Enfield station
Enfield station is a planned passenger rail stop in Enfield, Connecticut that will serve trains on the CTrail Hartford Line corridor.
-
C.
Epping station
Epping station is a major interchange railway and metro station in Sydney’s north-west, serving as a key hub on the Sydney Metro network and other suburban rail lines.
-
D.
Islington station
Islington station is a subway station in Toronto, Ontario, serving the western end of Line 2 Bloor–Danforth and acting as a key transit hub with bus connections to the surrounding Etobicoke area.
-
E.
Islington station
Islington station is a Massachusetts Bay Transportation Authority (MBTA) commuter rail stop serving the Islington neighborhood of Westwood, Massachusetts.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
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_69d806b5a3c08190b42c267fb092f98a |
completed | April 9, 2026, 8:06 p.m. |
| NER | Named-entity recognition | batch_69d99e89c65c819093f3bea11d6073c5 |
completed | April 11, 2026, 1:06 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69fdf06a3e208190a24e6cd9cb97e99c |
completed | May 8, 2026, 2:17 p.m. |
Created at: April 9, 2026, 9:31 p.m.