Triple
T25180216
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Luton–Rainham route |
E630562
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | cross-London rail service |
C74
|
CONCEPT FINISHED |
How this triple was built (1 step)
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.
CD
Concept disambiguation
gpt-5-mini-2025-08-07
Target class: cross-London rail service Context triple: [Luton–Rainham route, instanceOf, cross-London rail service]
-
A.
commuter rail line
chosen
A commuter rail line is a passenger train service that operates on fixed tracks and schedules to connect suburban or outlying areas with a central city, primarily serving daily work and school commuters.
-
B.
London Underground interchange
A London Underground interchange is a station or complex where passengers can transfer between two or more Underground lines (and sometimes other rail services) within a single integrated facility.
-
C.
London Tramlink route
A London Tramlink route is a designated service path within the Tramlink light rail network in South London, defined by its specific sequence of stops, operating pattern, and timetable.
-
D.
rapid transit line
A rapid transit line is a high-capacity, high-frequency urban rail route operating on an exclusive or mostly separated right-of-way to provide fast, reliable public transportation between key areas of a city or metropolitan region.
-
E.
passenger rail service
Passenger rail service is a transportation system that operates trains to carry people between locations on a scheduled basis, typically offering various classes of comfort and amenities.
- F. None of above.
Provenance (1 batch)
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_69e75a88fdf081908e47ae6e195c14e1 |
completed | April 21, 2026, 11:07 a.m. |
Created at: April 21, 2026, 12:35 p.m.