Triple
T10735300
| Position | Surface form | Disambiguated ID | Type / Status |
|---|---|---|---|
| Subject | Bala Lake Railway |
E253179
|
entity |
| Predicate | hasStation |
P35
|
FINISHED |
| Object |
Llanuwchllyn station
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
|
E888883
|
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: Llanuwchllyn station | Statement: [Bala Lake Railway, hasStation, Llanuwchllyn station]
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Llanuwchllyn station Context triple: [Bala Lake Railway, hasStation, Llanuwchllyn station]
-
A.
Clogwyn station
Clogwyn station is a high-altitude intermediate stop on the Snowdon Mountain Railway in Wales, serving as a popular viewpoint and turnaround point for trains ascending Mount Snowdon.
-
B.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
-
C.
Llanrwst railway station
Llanrwst railway station is a small rural stop on the Conwy Valley Line in North Wales, serving the town of Llanrwst with regional rail connections.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
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.
- 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: Llanuwchllyn station Triple: [Bala Lake Railway, hasStation, Llanuwchllyn station]
Generated description
Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Llanuwchllyn station Target entity description: Llanuwchllyn station is a heritage railway terminus in Gwynedd, Wales, serving as the main base and headquarters of the narrow-gauge Bala Lake Railway.
-
A.
Clogwyn station
Clogwyn station is a high-altitude intermediate stop on the Snowdon Mountain Railway in Wales, serving as a popular viewpoint and turnaround point for trains ascending Mount Snowdon.
-
B.
Rhyd Ddu station
Rhyd Ddu station is a rural stop on the narrow-gauge Welsh Highland Railway in Snowdonia, serving the village of Rhyd Ddu and nearby mountain walking routes.
-
C.
Llanrwst railway station
Llanrwst railway station is a small rural stop on the Conwy Valley Line in North Wales, serving the town of Llanrwst with regional rail connections.
-
D.
Cynwyd station
Cynwyd station is a SEPTA regional rail station in Bala Cynwyd, Pennsylvania, serving as the northern endpoint of the short Cynwyd Line into Philadelphia.
-
E.
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.
- 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_69d6aa5e51e8819095f06881cecf152e |
completed | April 8, 2026, 7:19 p.m. |
| NER | Named-entity recognition | batch_69d71021cccc8190ba2d3bbd7d50e2a7 |
completed | April 9, 2026, 2:34 a.m. |
| NED1 | Entity disambiguation (via context triple) | batch_69deb0a03a1481908edb933b1613a027 |
completed | April 14, 2026, 9:24 p.m. |
| NEDg | Description generation | batch_69deb6942054819098cb119c6bf7b3c7 |
completed | April 14, 2026, 9:50 p.m. |
| NED2 | Entity disambiguation (via description) | batch_69dec259680c819087f14189042ec190 |
completed | April 14, 2026, 10:40 p.m. |
Created at: April 8, 2026, 9:14 p.m.