Triple
T1305735
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | CDF |
E27872
|
entity |
| Predicate | servesRailwayStation |
P918
|
FINISHED |
| Object | Cardiff Central railway station |
E58613
|
NE FINISHED |
How this triple was built (3 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: Cardiff Central railway station | Statement: [CDF, servesRailwayStation, Cardiff Central railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cardiff Central railway station Context triple: [CDF, servesRailwayStation, Cardiff Central railway station]
-
A.
Cardiff Central railway station
chosen
Cardiff Central railway station is the main railway hub in Cardiff, Wales, serving as a major interchange on the South Wales Main Line with extensive regional and long-distance services.
-
B.
Bridgend railway station
Bridgend railway station is the main railway hub serving the town of Bridgend in South Wales, providing regional and intercity rail connections.
-
C.
Merthyr Tydfil railway station
Merthyr Tydfil railway station is the main train station serving the town of Merthyr Tydfil in Wales, providing regional rail connections to surrounding areas.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
Swansea railway station
Swansea railway station is the principal rail hub serving the coastal city of Swansea in Wales, providing regional and long-distance services across South and West Wales and to major cities in England.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
PD
Predicate disambiguation
gpt-5-mini-2025-08-07
Target predicate: servesRailwayStation Context triple: [CDF, servesRailwayStation, Cardiff Central railway station]
-
A.
hasRailwayStation
chosen
Indicates that a place or location is served by, or contains, a railway station.
-
B.
hasRailStation
Indicates that one entity possesses, contains, or is served by a rail station.
-
C.
servedByRailroad
Indicates that a location or facility is provided with transportation or service by a railroad line or company.
-
D.
hasMajorRailwayStation
Indicates that a place contains or is served by a principal railway station that functions as a major hub for rail transport.
-
E.
hasBusStation
Indicates that a place or area contains or is served by a bus station.
- F. None of above.
Provenance (4 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_69a496d7d83481908f83085854e51328 |
completed | March 1, 2026, 7:43 p.m. |
| NER | Named-entity recognition | batch_69a4c15490a88190872c3d2698a8f9c9 |
completed | March 1, 2026, 10:44 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbae9c8a88190bf9de136a41c82a4 |
completed | March 7, 2026, 11:55 p.m. |
| PD | Predicate disambiguation | batch_69a4bee9e4a88190b22ab2ee831a23c9 |
completed | March 1, 2026, 10:34 p.m. |
Created at: March 1, 2026, 7:51 p.m.