Triple
T4156315
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | West Wales Line |
E91422
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Haverfordwest railway station
Haverfordwest railway station is a key passenger rail stop serving the town of Haverfordwest in Pembrokeshire, Wales.
|
E434000
|
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: Haverfordwest railway station | Statement: [West Wales Line, hasStation, Haverfordwest railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Haverfordwest railway station Context triple: [West Wales Line, hasStation, Haverfordwest railway station]
-
A.
Carmarthen railway station
Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
-
B.
Milford Haven railway station
Milford Haven railway station is the western terminus of the West Wales Line in Pembrokeshire, Wales, serving the town of Milford Haven with regional rail services.
-
C.
Aberystwyth railway station
Aberystwyth railway station is the main terminus railway station serving the coastal town of Aberystwyth in Ceredigion, Wales, and a key hub on the Cambrian Line.
-
D.
Tywyn Wharf railway station
Tywyn Wharf railway station is the main station and visitor hub of the historic narrow-gauge Talyllyn Railway in Gwynedd, Wales.
-
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: Haverfordwest railway station Triple: [West Wales Line, hasStation, Haverfordwest railway station]
Generated description
Haverfordwest railway station is a key passenger rail stop serving the town of Haverfordwest in Pembrokeshire, Wales.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Haverfordwest railway station Target entity description: Haverfordwest railway station is a key passenger rail stop serving the town of Haverfordwest in Pembrokeshire, Wales.
-
A.
Carmarthen railway station
Carmarthen railway station is a key rail hub in west Wales serving the town of Carmarthen with regional and intercity connections.
-
B.
Milford Haven railway station
Milford Haven railway station is the western terminus of the West Wales Line in Pembrokeshire, Wales, serving the town of Milford Haven with regional rail services.
-
C.
Aberystwyth railway station
Aberystwyth railway station is the main terminus railway station serving the coastal town of Aberystwyth in Ceredigion, Wales, and a key hub on the Cambrian Line.
-
D.
Tywyn Wharf railway station
Tywyn Wharf railway station is the main station and visitor hub of the historic narrow-gauge Talyllyn Railway in Gwynedd, Wales.
-
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_69aed9626ebc8190a39de631788bea3e |
completed | March 9, 2026, 2:29 p.m. |
| NER | Named-entity recognition | batch_69af028fc11c819093fb2f616b97a694 |
completed | March 9, 2026, 5:25 p.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69b5db77e7d88190a7ba250972e133fa |
completed | March 14, 2026, 10:04 p.m. |
| NEDg | Description generation | batch_69b5dc3d81a08190b29b633009fab4ff |
completed | March 14, 2026, 10:07 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69b5e04f356c81909e3f6f2c865e0f99 |
completed | March 14, 2026, 10:25 p.m. |
Created at: March 9, 2026, 3:44 p.m.