Triple
T1319269
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Cardiff to Portsmouth Line |
E28177
|
entity |
| Predicate | passesThrough |
P225
|
FINISHED |
| Object |
Keynsham railway station
Keynsham railway station is a local rail stop in Keynsham, England, providing regional services between Bristol and nearby cities.
|
E151206
|
NE FINISHED |
How this triple was built (4 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: Keynsham railway station | Statement: [Cardiff to Portsmouth Line, passesThrough, Keynsham railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Keynsham railway station Context triple: [Cardiff to Portsmouth Line, passesThrough, Keynsham railway station]
-
A.
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.
-
B.
Chepstow railway station
Chepstow railway station is a historic train station in Monmouthshire, Wales, providing regional rail services on the South Wales Main Line.
-
C.
Neath railway station
Neath railway station is a key passenger rail hub in Neath, Wales, providing regional and intercity services on the South Wales rail network.
-
D.
Port Talbot Parkway railway station
Port Talbot Parkway railway station is a key passenger rail hub in Port Talbot, Wales, providing regional and long-distance services along the South Wales rail corridor.
-
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. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NEDg
Description generation
gpt-5.1
Instruction
Generate a one-sentence description of the target entity. You are given a context triple in the form (subject, predicate, object), where the object is the target entity. # Instructions Use the triple to infer relevant information about the entity. Describe the entity based on what is most defining, well-known. Avoid repeating the information from the triple, unless really essential. # Response Format Return only the sentence: "Description: [one-sentence description of the target entity]"
Input
Entity: Keynsham railway station Triple: [Cardiff to Portsmouth Line, passesThrough, Keynsham railway station]
Generated description
Keynsham railway station is a local rail stop in Keynsham, England, providing regional services between Bristol and nearby cities.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Keynsham railway station Target entity description: Keynsham railway station is a local rail stop in Keynsham, England, providing regional services between Bristol and nearby cities.
-
A.
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.
-
B.
Chepstow railway station
Chepstow railway station is a historic train station in Monmouthshire, Wales, providing regional rail services on the South Wales Main Line.
-
C.
Neath railway station
Neath railway station is a key passenger rail hub in Neath, Wales, providing regional and intercity services on the South Wales rail network.
-
D.
Port Talbot Parkway railway station
Port Talbot Parkway railway station is a key passenger rail hub in Port Talbot, Wales, providing regional and long-distance services along the South Wales rail corridor.
-
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. chosen
Provenance (5 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_69a498532c3481909223b74af2e578df |
completed | March 1, 2026, 7:49 p.m. |
| NER | Named-entity recognition | batch_69a4c1780be8819083a9365b8a49305d |
completed | March 1, 2026, 10:45 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69acbf2b8d988190b0d84e886629ed05 |
completed | March 8, 2026, 12:13 a.m. |
| NEDg | Description generation | batch_69acbfae49d88190988ba80e24e8cc62 |
completed | March 8, 2026, 12:15 a.m. |
| NED2 | Entity disambiguation (via description) | batch_69acc08672908190b8f411d1378a890a |
completed | March 8, 2026, 12:19 a.m. |
Created at: March 1, 2026, 7:55 p.m.