Triple
T21651774
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | City Circle |
E534355
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | underground railway loop |
C6366
|
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: underground railway loop Context triple: [City Circle, instanceOf, underground railway loop]
-
A.
urban rail loop line
chosen
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.
-
B.
underground rail corridor
An underground rail corridor is a subsurface passageway engineered to safely guide trains between stations, housing tracks, utilities, and supporting infrastructure while minimizing surface disruption.
-
C.
trolley turning loop
A trolley turning loop is a track configuration that allows a trolley or tram to reverse direction by following a continuous curved path without needing to be turned around manually.
-
D.
metro train
A metro train is an electrically powered, multi-car rail vehicle designed to transport large numbers of passengers quickly and frequently along dedicated urban and suburban transit lines.
-
E.
Overground station
An overground station is a railway or transit facility located at or above ground level where passengers board, alight, and transfer between surface-level trains or transit services.
- 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_69e0c466aec88190ba39c7543dbc8ba2 |
completed | April 16, 2026, 11:13 a.m. |
Created at: April 16, 2026, 6:36 p.m.