Triple
T7403893
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cardiff Bay railway station |
E170817
|
entity |
| Predicate | terminusOf |
P3375
|
FINISHED |
| Object | Butetown branch line |
E662312
|
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: Butetown branch line | Statement: [Cardiff Bay railway station, terminusOf, Butetown branch line]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Butetown branch line Context triple: [Cardiff Bay railway station, terminusOf, Butetown branch line]
-
A.
Butetown branch line
chosen
The Butetown branch line is a short railway branch in Cardiff, Wales, connecting the city’s main rail network to the Cardiff Bay area.
-
B.
Rhondda Line
The Rhondda Line is a commuter rail route in South Wales that runs through the Rhondda Valleys, connecting local communities with larger hubs such as Pontypridd and Cardiff.
-
C.
Shotts Line
The Shotts Line is a railway route in Scotland that connects Glasgow and Edinburgh via Shotts, serving towns and communities across North Lanarkshire and West Lothian.
-
D.
Glasgow South Western Line
The Glasgow South Western Line is a major railway route in southwest Scotland connecting Glasgow with towns such as Kilmarnock, Dumfries and Carlisle.
-
E.
Ebbw Vale line
The Ebbw Vale line is a railway route in South Wales that connects Ebbw Vale with larger towns and cities, providing both commuter and regional passenger services.
- 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_69c68a6010108190925e5284de022660 |
completed | March 27, 2026, 1:47 p.m. |
| NER | Named-entity recognition | batch_69c6f2701b108190be39174d4534f231 |
completed | March 27, 2026, 9:11 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69c81ed79680819087a56082e968c266 |
completed | March 28, 2026, 6:32 p.m. |
Created at: March 27, 2026, 3:10 p.m.