Triple
T522387
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Transport for Wales Rail |
E10845
|
entity |
| Predicate | operatesServiceTo |
P6304
|
FINISHED |
| Object | Cardiff Central |
E4146
|
NE FINISHED |
How this triple was built (2 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 | Statement: [Transport for Wales Rail, operatesServiceTo, Cardiff Central]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Cardiff Central Context triple: [Transport for Wales Rail, operatesServiceTo, Cardiff Central]
-
A.
Cardiff Central
chosen
Cardiff Central is the main railway station in Cardiff, Wales, serving as a major transport hub for regional and long-distance rail services across the UK.
-
B.
Neath Port Talbot
Neath Port Talbot is a county borough in south Wales known for its industrial heritage, coastal landscapes, and the town of Neath.
-
C.
Cardiff South East
Cardiff South East was a former UK parliamentary constituency in the city of Cardiff, Wales, historically known for being represented by future Prime Minister James Callaghan.
-
D.
Cathays Park, Cardiff
Cathays Park in Cardiff is a central civic and administrative district that houses major government buildings, including the main offices of the Welsh Government.
-
E.
Pontypridd
Pontypridd is a historic town and community in Rhondda Cynon Taf, South Wales, known for its industrial heritage and role as a gateway to the South Wales Valleys.
- F. None of above.
- G. Unsure - the case is ambiguous/there is not enough information to decide.
Provenance (3 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_69a2e84b16c4819088d284c47c3a7968 |
completed | Feb. 28, 2026, 1:06 p.m. |
| NER | Named-entity recognition | batch_69a2f1b372408190b3918fec45444674 |
completed | Feb. 28, 2026, 1:46 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69a4ab1f95cc8190a6e2dfc3636110b5 |
completed | March 1, 2026, 9:09 p.m. |
Created at: Feb. 28, 2026, 1:12 p.m.