Triple
T3523030
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | South West Main Line suburban branches |
E74470
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | suburban railway lines |
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: suburban railway lines Context triple: [South West Main Line suburban branches, instanceOf, suburban railway lines]
-
A.
subway line
A subway line is a fixed route within an urban rail transit system, consisting of a sequence of stations and tracks over which trains operate according to a scheduled service.
-
B.
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.
-
C.
urban rail loop line
An urban rail loop line is a circular or near-circular transit route within a city that connects multiple districts and intersecting lines, allowing continuous, bidirectional travel without a terminal endpoint.
-
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.
rapid transit line segment
A rapid transit line segment is a contiguous portion of a rapid transit route between two defined points (such as stations, junctions, or terminals) that carries high-frequency, high-capacity passenger rail service.
- 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_69ad85d0c5488190a3d8e02ebd01a1aa |
completed | March 8, 2026, 2:21 p.m. |
Created at: March 8, 2026, 3:19 p.m.