Triple
T217852
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cardiff Central |
E4146
|
entity |
| Predicate | instanceOf |
P0
|
FINISHED |
| Object | mainline railway station |
C564
|
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: mainline railway station Context triple: [Cardiff Central, instanceOf, mainline railway station]
-
A.
commuter rail station
A commuter rail station is a designated facility where passengers board and alight regional trains that connect suburbs or outlying areas with urban centers, typically offering platforms, ticketing, and basic passenger amenities.
-
B.
train station
chosen
A train station is a designated facility where trains regularly stop to pick up and drop off passengers and sometimes freight, typically featuring platforms, ticketing services, and waiting areas.
-
C.
rapid transit station
A rapid transit station is a designated facility where passengers board, alight, and transfer between high-frequency urban rail or metro services, typically featuring platforms, ticketing areas, and access to surrounding streets or other transport modes.
-
D.
commuter rail line
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.
-
E.
transport hub
A transport hub is a central location where multiple modes or routes of transportation intersect, enabling the efficient transfer of passengers or goods between them.
- 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_69a2573508588190b522c2476d91acfe |
completed | Feb. 28, 2026, 2:47 a.m. |
Created at: Feb. 28, 2026, 2:53 a.m.