Triple
T16410169
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Penmaenmawr |
E398540
|
entity |
| Predicate | hasRailwayStation |
P918
|
FINISHED |
| Object |
Penmaenmawr railway station
Penmaenmawr railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Penmaenmawr with regional rail services.
|
E1211948
|
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: Penmaenmawr railway station | Statement: [Penmaenmawr, hasRailwayStation, Penmaenmawr railway station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Penmaenmawr railway station Context triple: [Penmaenmawr, hasRailwayStation, Penmaenmawr railway station]
-
A.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
B.
Caernarfon station
Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, Wales.
-
C.
Barmouth railway station
Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
-
D.
Rhyl railway station
Rhyl railway station is a coastal rail station in Denbighshire, Wales, serving the seaside town of Rhyl with regional and long-distance services.
-
E.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
- 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: Penmaenmawr railway station Triple: [Penmaenmawr, hasRailwayStation, Penmaenmawr railway station]
Generated description
Penmaenmawr railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Penmaenmawr with regional rail services.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Penmaenmawr railway station Target entity description: Penmaenmawr railway station is a small coastal stop on the North Wales Coast Line in Conwy County Borough, Wales, serving the town of Penmaenmawr with regional rail services.
-
A.
Ystrad Mynach railway station
Ystrad Mynach railway station is a commuter rail stop in Caerphilly County Borough, Wales, providing local and regional services on the Valley Lines network.
-
B.
Caernarfon station
Caernarfon station is the northern terminus and main passenger station of the heritage Welsh Highland Railway in Caernarfon, Wales.
-
C.
Barmouth railway station
Barmouth railway station is a coastal train station in Gwynedd, Wales, providing passenger rail services to the seaside town of Barmouth on the Cambrian Coast Line.
-
D.
Rhyl railway station
Rhyl railway station is a coastal rail station in Denbighshire, Wales, serving the seaside town of Rhyl with regional and long-distance services.
-
E.
Pontypridd railway station
Pontypridd railway station is a key commuter and interchange station in Pontypridd, Wales, serving as an important hub on the Valley Lines network north of Cardiff.
- 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_69d87f2950248190bc8ad9b9bebdc8c8 |
completed | April 10, 2026, 4:40 a.m. |
| NER | Named-entity recognition | batch_69e328731a408190b38dcab0b7bb65ff |
completed | April 18, 2026, 6:45 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_6a003c66d41481909340f247f6e5393f |
completed | May 10, 2026, 8:05 a.m. |
| NEDg | Description generation | batch_6a003f2971bc819099f9b6800885bb5f |
completed | May 10, 2026, 8:17 a.m. |
| NED2 | Entity disambiguation (via description) | batch_6a003ff96b3081909bcef37c77c0c5b1 |
completed | May 10, 2026, 8:21 a.m. |
Created at: April 10, 2026, 5:09 a.m.